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Danh pháp

Tên gọi nào sau đây ứng với công thức cấu tạo CH3CH2NH2?

Hóa học Lớp 12

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Bộ đề luyện thi THPTQG Hóa Học cực hay có lời giải chi tiết (Đề số 9)

Trong hóa học vô cơ, phản ứng nào sau đây thuộc loại phản ứng oxi hóa - khử?

Hóa học Tốt nghiệp THPT

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. The word 'defray' in line 12 is closest in meaning to which of the following?

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Trong các tên gọi dưới đây, tên phù hợp với chất : CH3-CH(CH3)-NH2

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. Which of the following could best replace the word 'allocated' in line 11?

Tiếng Anh Tốt nghiệp THPT

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30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết (Đề số 24)

VI/ Read the following passage on native Americans, and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase for each of the blanks from 41 to 50. WORKING MOTHERSCarefully conducted (41)_____that have followed the children of working mothers have not been able to shown any long-term problems, compared with children of working mothers stayed at home. My personal (42)_is that mothers should be allowed to work if they wish. Whether we like it or not, there a number of mothers who just have to work. There are those who have invested such a big part of their lives in establishing a career that they cannot afford to see it lost. Then there are many who must work out of pure economic (43)_. Many mothers are not (44)_out to be full-time parents. After a few months at home with a much_loved infant, they feel trapped and isolated.There are a number of options when it (45)_to choosing childcare. These range from child minders and nannies through to Granny of the kind lady (46)_the street. (47)_, however, many parents don’t have any choice; they have to accept anything they can get. Be prepared! No matter how good the childcare may be, some children are going to protest wildly if they are left. This is a (48)_normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family members. Make sure that in first week you allow plenty of time to help your child settle in.All children are different. Some are independent, while others are more attached to their mothers. Remember that if you want to (49)_the best for your children, it’s not the quantity of time you spend with them, it’s the (50)_____that matters.Điền vào đáp án 49

Tiếng Anh Tốt nghiệp THPT

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. Where in the passage does the author discuss a cause of extinction?

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Hợp chất CH3CH2NH2 có tên gọi là

Hóa học Lớp 12

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

X là tripeptit, Y là tetrapeptit và Z là hợp chất có CTPT là C4H9NO4 (đều mạch hở). Cho 0,19 mol hỗn hợp E chứa X, Y, Z tác dụng hoàn toàn với dung dịch chứa 0,56 mol NaOH (vừa đủ). Sau phản ứng thu được 0,08 mol ancol đơn chức; dung dịch T chứa 3 muối trong đó có muối của Ala và muối của một axit hữu cơ no, đơn chức, mạch hở với tổng khổi lượng là 54,1 gam. Phần trăm khối lượng của X trong E là:

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. What does the word 'this' in line 6 refer to in the passage?

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Đimetylamin có công thức là

Hóa học Lớp 12

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Bộ đề luyện thi THPTQG Hóa Học cực hay có lời giải chi tiết (Đề số 9)

Phân tử polime nào sau đây chỉ chứa 3 nguyên tố C, H, N trong phân tử?

Hóa học Tốt nghiệp THPT

Xem chi tiết 616 lượt xem 6 năm trước

Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. The above passage is divided into two paragraphs in order to contrast

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Benzyl amin có công thức phân tử là

Hóa học Lớp 12

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

Hỗn hợp E chứa peptit X mạch hở (tạo bởi gly và ala) và este (thuần chức) mạch hở (tạo bởi etylenglicol và một axit đơn chức, không no chứa một liên kết C=C). Đun nóng m gam hỗn hợp E với dung dịch NaOH vừa đủ thu được 25,32 gam hỗn hợp muối F. Lấy toàn bộ F đem đốt cháy thu được Na2CO3, N2, 30,8 gam CO2, 10,44 gam H2O. Biết số mắt xích của X nhỏ hơn 8. Phần trăm khối lượng của este trong E gần nhất với?

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. The word 'callousness' in line 6 could best be replaced by which of the following?

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 2.1 K lượt xem 6 năm trước

Danh pháp

Công thức cấu tạo thu gọn của etylamin là

Hóa học Lớp 12

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.The phrase “opted for” in line 10 is closest in meaning to______.

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 368 lượt xem 6 năm trước

Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.The phrase “opted for” in line 10 is closest in meaning to______.

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 446 lượt xem 6 năm trước

Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. The word 'poachers' as used in line 5 could be best replaced by which of the following?

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Amin bậc III có tên là

Hóa học Lớp 12

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.What was the material of working-class women’s yêm?

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 612 lượt xem 6 năm trước

Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. Which of the following could best replace the word 'case' as used in line 4?

Tiếng Anh Tốt nghiệp THPT

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Danh pháp

Cho các amin công thức cấu tạo như sau:(3) CH3 - CH2 - CH2 - NH2 (4) CH3 - CH2 - NH - CH3Isopropylamin là danh pháp gốc chức của amin nào?

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. Which of the following is closest in meaning to the word 'alarming' in line 4?

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 2.1 K lượt xem 6 năm trước

Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.According to the passage, which of the following statements is true about the yêm?

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

X là este của a-aminoaxit có công thức phân tử C5H11O2N; Y và Z là hai peptit mạch hở (MY<MZ) được tạo bởi glyxin và alanin có tổng số liên kết peptit là 7. Đun nóng 71,69 gam hỗn hợp E chứa X, Y, Z với dung dịch NaOH vừa đủ, thu được hỗn hợp chứa 2 muối và 13,8 gam ancol T. Đốt cháy toàn bộ hỗn hợp muối cần dùng 2,8275 mol O2, thu được Na2CO3, CO2, H2O và 8,624 lít khí N2 (đktc). Tỷ lệ mắt xích Gly:Ala trong Z là?

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 33.Since the world became industrialized, the number of animal species that have either become extinct or have neared extinction has increased. Bengal tigers, for instance, which once roamed the jungles in vast numbers, now number only about 2,300. By the year 2025, it is estimated that they will become extinct. What is alarming about the case of the Bengal tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification. This is an example of the callousness that is contributing to the problem of extinction. Animals such as the Bengal tiger, as well as other endangered species, are valuable parts of the world's ecosystem. International laws protecting these animals must be enacted to ensure their survival - and the survival of our planet.Countries around the world have begun to deal with the problem in various ways. Some countries, in an effort to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations for support. This money enables them to invest in equipment and patrols to protect the animals. Another response to the increase in animal extinction is an international boycott of products made from endangered species. This has had some effect, but by itself it will not prevent animals from being hunted and killed. What's the main topic of the passage?

Tiếng Anh Tốt nghiệp THPT

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.According to the passage, who wore the yêm in Vietnam?

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

BÀI ĐỌC NGẮNĐọc đoạn văn và trả lời 10 câu hỏi kèm theo.Line 5 10 15 20The yêm is an ancient common upper-body garment for Vietnamese girls and women for thousands of years until after World War II, when Western dressing style entered and became popular.A yêm was a sexy simply-cut piece of usually simple cloth, which could be either outerwear or undershirt. As Vietnam has a tropical climate with hot and humid summers, the lighter and airier the clothes are the better. The yêm was the solution in the old days for Vietnamese people to the environment. Colours and materials of the yêm reflected the woman’s age and social status. Older women tended to wear round-necked, and younger ones the v-neck style. The working-class women wore dark colours such as black, beige, or brown, and coarse cloth, while the elite opted for more festive, brighter tones such as red and pink or white, normally in dedicate cloth such as silk or satin.Throughout history, the design of the yêm stayed almost the same. However, there was much room for flexibility. When a woman was young, she tied the strings loosely to let the neck come lower, especially when she wore necklaces. When she got older, she pulled the strings tighter to raise the neck higher. This is a good example of the Vietnamese dressing style – simplicity but with a height of delicacy and sexiness.The yêm dates to the Hung Kings (2879 BC - 258 AD). Evidence can be found in the images of women in decoration on a Dong Xa bronze drum, cast over 2,000 years ago. It made its way down to around 1945 as a traditional costume exclusively of Vietnamese women. Photos of Vietnamese women in the 1940s still showed some of them wearing the yêm. From the mid-20th century, along with the decline of the yêm to give way for Western dressing trends, many traditions disappeared, such as tying the hair around the head, or having the teeth dyed. Recently, the yêm is making a comeback, but only on the catwalk.What is the passage mainly about?

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 23

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 22

Tiếng Anh Tốt nghiệp THPT

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 21

Tiếng Anh Tốt nghiệp THPT

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

Hỗn hợp E gồm 3 chất: X (là este của amino axit); Y và Z là hai peptit mạch hở, hơn kém nhau một nguyên tử nitơ (đều chứa ít nhất hai loại gốc amino axit, MY< MZ). Cho 36 gam E tác dụng vừa đủ với 0,44 mol NaOH, thu được 7,36 gam ancol no, đơn chức, mạch hở và 45,34 gam ba muối của glyxin, alanin, valin (trong đó có 0,1 mol muối của alanin). Mặt khác, đốt cháy hoàn toàn 36 gam E trong O2 dư, thu được CO2, N2 và 1,38 mol H2O. Phần trăm khối lượng của Y trong E là

Hóa học Lớp 12

Xem chi tiết 434 lượt xem 6 năm trước

Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 20

Tiếng Anh Tốt nghiệp THPT

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 19

Tiếng Anh Tốt nghiệp THPT

Xem chi tiết 443 lượt xem 6 năm trước

Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

ĐIỀN TỪChọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn để điền vào chỗ trống trong đoạn vănIt can take a long time to become successful in your chosen field, however talented you are. One thing you have to be (1) ___ of is that you will face criticism along the way. The world is (2)_ of people who would rather say something negative than positive. If you’ve made up your (3)_ to achieve a certain goal, such as writing a novel, (4)_ the negative criticism of others prevent you from reaching your target, and let the constructive criticism have a positive effect on your work. If someone says you’re totally in the (5) of talent, ignore them. That’s negative criticism. If (6), , someone advises you to revise your work and gives you a good reason for doing so, you should consider their suggestions carefully. There are many film stars (7) were once out of work . There are many famous novelists who made a complete mess of their first novel – or who didn’t, but had to keep on approaching hundreds of publishers before they could get it (8) . Being successful does depend on luck, to a (9) extent. But things are more likely to (10) ____ well if you persevere and stay positive.Chọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn đề điền vào chỗ trống số (10)

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Danh pháp

Cho các amin có công thức cấu tạo như sau:Amin nào có danh pháp gốc – chức là benzylamin?

Hóa học Lớp 12

Xem chi tiết 3.3 K lượt xem 6 năm trước

Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

ĐIỀN TỪChọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn để điền vào chỗ trống trong đoạn vănIt can take a long time to become successful in your chosen field, however talented you are. One thing you have to be (1) ___ of is that you will face criticism along the way. The world is (2)_ of people who would rather say something negative than positive. If you’ve made up your (3)_ to achieve a certain goal, such as writing a novel, (4)_ the negative criticism of others prevent you from reaching your target, and let the constructive criticism have a positive effect on your work. If someone says you’re totally in the (5) of talent, ignore them. That’s negative criticism. If (6), , someone advises you to revise your work and gives you a good reason for doing so, you should consider their suggestions carefully. There are many film stars (7) were once out of work . There are many famous novelists who made a complete mess of their first novel – or who didn’t, but had to keep on approaching hundreds of publishers before they could get it (8) . Being successful does depend on luck, to a (9) extent. But things are more likely to (10) ____ well if you persevere and stay positive.Chọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn đề điền vào chỗ trống số (9)

Tiếng Anh Tốt nghiệp THPT

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

Hỗn hợp 0,1 mol E chứa este Z có công thức CH3COOC2H5 và m1 gam hai peptit X, Y (đều hở, tạo bởi Ala và Val). Đốt cháy 0,1 mol E trên bằng lượng khí O2 vừa đủ thu được 1,904 lít khí N2 ở đktc và 53,31 gam hỗn hợp CO2 và H2O. Mặt khác đốt cháy m1 gam X,Y cần vừa đủ 28,08 gam khí O2. Giá trị m1 là?

Hóa học Lớp 12

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 18

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 17

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

ĐIỀN TỪChọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn để điền vào chỗ trống trong đoạn vănIt can take a long time to become successful in your chosen field, however talented you are. One thing you have to be (1) ___ of is that you will face criticism along the way. The world is (2)_ of people who would rather say something negative than positive. If you’ve made up your (3)_ to achieve a certain goal, such as writing a novel, (4)_ the negative criticism of others prevent you from reaching your target, and let the constructive criticism have a positive effect on your work. If someone says you’re totally in the (5) of talent, ignore them. That’s negative criticism. If (6), , someone advises you to revise your work and gives you a good reason for doing so, you should consider their suggestions carefully. There are many film stars (7) were once out of work . There are many famous novelists who made a complete mess of their first novel – or who didn’t, but had to keep on approaching hundreds of publishers before they could get it (8) . Being successful does depend on luck, to a (9) extent. But things are more likely to (10) ____ well if you persevere and stay positive.Chọn 01 lựa chọn đúng trong 04 lựa chọn cho sẵn đề điền vào chỗ trống số (8)

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 16

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

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Danh pháp

Danh pháp gốc chức nào sau đây là của amin bậc hai?

Hóa học Lớp 12

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50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

X là peptit mạch hở (được tạo bởi Gly, Ala và Val), Y là chất béo rắn. Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 2:1. Đun nóng m gam E trong 110 ml dung dịch NaOH 1M vừa đủ thu được bốn muối Z và glixerol. Đốt cháy hoàn toàn E cần dùng vừa đủ 1,115 mol O2. Sản phẩm cháy thu được có chứa 0,04 mol N2. Tổng khối lượng các muối trong Z là?

Hóa học Lớp 12

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Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 3)

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 15

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Tổng hợp đề thi thử mới nhất môn tiếng anh cực hay có lời giải (P7)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks..You will make the interview process easier for the employer if you prepare relevant information about yourself. Think about how you want to present your (14)__, experiences, education, work style, skills, and goals. Be prepared to supplement all your answers with examples that support the statements you make. It is also a good idea to review your resume with a critical eye and (15) areas that an employer might see as limitations or want further information. Think about how you can answer difficult' questions (16) and positively, while keeping each answer brief.An interview gives the employer a (17)_ to get to know you. While you do want to market yourself to the employer, answer each question with an honest (18) _.Never say anything negative about past experiences, employers, or courses and professors. Always think of something positive about an experience and talk about that. You should also be (19) . If you are genuinely interested (20) _ the job, let the interviewer know that.One of the best ways to show you are keen on a job is to demonstrate that you have researched the organization prior to the interview. You can also (21) interest by asking questions about the job, the organization, and its services and products. The best way to impress an employer is to ask questions that build upon your interview discussion. This shows you are interested and (22) close attention to the interviewer. It is a good idea to prepare a few questions in advance, but an insightful comment based on your conversation can make an even stronger statement. At the (23) ___ of an interview, it is appropriate for you to ask when you may expect to hear; from the employer.Điền vào ô 14

Tiếng Anh Tốt nghiệp THPT

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Danh sách câu hỏi ( Có 2,477,012 câu hỏi trên 49,541 trang )

Tên gọi nào sau đây ứng với công thức cấu tạo CH3CH2NH2?

Trong hóa học vô cơ, phản ứng nào sau đây thuộc loại phản ứng oxi hóa - khử?

Trong các tên gọi dưới đây, tên phù hợp với chất : CH3-CH(CH3)-NH2

Hợp chất CH3CH2NH2 có tên gọi là

Đimetylamin có công thức là

Phân tử polime nào sau đây chỉ chứa 3 nguyên tố C, H, N trong phân tử?

Benzyl amin có công thức phân tử là

Công thức cấu tạo thu gọn của etylamin là

Amin bậc III có tên là

Cho các amin công thức cấu tạo như sau:(3) CH3 - CH2 - CH2 - NH2 (4) CH3 - CH2 - NH - CH3Isopropylamin là danh pháp gốc chức của amin nào?

Cho các amin có công thức cấu tạo như sau:Amin nào có danh pháp gốc – chức là benzylamin?

Danh pháp gốc chức nào sau đây là của amin bậc hai?

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