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Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

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 35 to 42.In my experience, freshmen today are different from those I knew when I started as a counselor and professor 25 years ago. College has always been demanding both academically and socially. But students now are less mature and often not ready for the responsibility of being in college. It is really too easy to point the finger at parents who protect their children from life’s obstacle. Parents, who handle every difficulty and every other responsibility for their children writing admission essays to picking college courses, certainly may contribute to their children’s lack of coping strategies. But we can look even more broadly to the social trends of today. How many people do you know who are on medication to prevent anxiety or depression? The number of students who arrive at college already medicated for unwanted emotions has increased dramatically in the past 10 years. We, as a society, don’t want to “feel” anything unpleasant and we certainly don’t want our children to “suffer”.The resulting problem is that by not experiencing negative emotions, one does not learn the necessary skills to tolerate and negotiate adversity. As a psychologist, I am well aware of the fact that some individuals suffer from depression and anxiety and can benefit from treatment, but I question the growing number of medicated adolescents today. Our world is more stressful in general because of the current economic and political realities, but I don’t believe that the college experience itself is more intense today than that of the past 10 years. What I do think is that many students are often not prepared to be young “adults” with all the responsibilities of life. What does this mean for college faculty and staff? We are required to assist in the basic parenting of these students – the student who complains that the professor didn’t remind her of the due date for an assignment that was clearly listed on the syllabus and the student who cheats on an assignment in spite of careful instructions about plagiarism. As college professors, we have to explain what it means to be an independent college student before we can even begin to teach. As parents and teachers we should expect young people to meet challenges. To encourage them in this direction, we have to step back and let them fail and pick themselves up and move forward. This approach needs to begin at an early age so that college can actually be a passage to independent adulthoodThe word “handle” in paragraph 2 mostly means ____________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 432 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.In Germany, it's important to be serious in a work situation. They don't mix work and play so you shouldn't make jokes (31) ______ you do in the UK and USA when you first meet people. They work in a very organized way and prefer to do one thing at a time. They don't like interruptions or (32) ______changes of schedule. Punctuality is very important so you should arrive on time for appointments. At meeting, it’s important to follow the agenda and not interrupt (33) ______speaker. If you give a presentation, you should focus (34) ______ facts and technical information and the quality of your company's products. You should also prepare well, as they may ask a lot of questions. Colleagues normally use the family names, and title - for example 'Doctor' or 'Professor', so you shouldn't use first names (35) ______ a person asks you to.Điền ô số 31

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 418 lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

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 35 to 42.In my experience, freshmen today are different from those I knew when I started as a counselor and professor 25 years ago. College has always been demanding both academically and socially. But students now are less mature and often not ready for the responsibility of being in college. It is really too easy to point the finger at parents who protect their children from life’s obstacle. Parents, who handle every difficulty and every other responsibility for their children writing admission essays to picking college courses, certainly may contribute to their children’s lack of coping strategies. But we can look even more broadly to the social trends of today. How many people do you know who are on medication to prevent anxiety or depression? The number of students who arrive at college already medicated for unwanted emotions has increased dramatically in the past 10 years. We, as a society, don’t want to “feel” anything unpleasant and we certainly don’t want our children to “suffer”.The resulting problem is that by not experiencing negative emotions, one does not learn the necessary skills to tolerate and negotiate adversity. As a psychologist, I am well aware of the fact that some individuals suffer from depression and anxiety and can benefit from treatment, but I question the growing number of medicated adolescents today. Our world is more stressful in general because of the current economic and political realities, but I don’t believe that the college experience itself is more intense today than that of the past 10 years. What I do think is that many students are often not prepared to be young “adults” with all the responsibilities of life. What does this mean for college faculty and staff? We are required to assist in the basic parenting of these students – the student who complains that the professor didn’t remind her of the due date for an assignment that was clearly listed on the syllabus and the student who cheats on an assignment in spite of careful instructions about plagiarism. As college professors, we have to explain what it means to be an independent college student before we can even begin to teach. As parents and teachers we should expect young people to meet challenges. To encourage them in this direction, we have to step back and let them fail and pick themselves up and move forward. This approach needs to begin at an early age so that college can actually be a passage to independent adulthoodAccording to the writer, students today are different from those she knew in that they are ____________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 592 lượt xem 6 năm trước
Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 15)

They’ve got some ________ shoes in the sale at Derbyshire’s

Tiếng Anh Tốt nghiệp THPT
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900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Chọn phát biểu đúng

Hóa học Lớp 12
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Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questionsMost of the classmates couldn't come. He invited them to the birthday party.

Tiếng Anh Tốt nghiệp THPT
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12 Bài tập thủy phân

X là tetrapeptit, Y tripeptit đều tạo nên từ 1 loại α-aminoaxit Z có 1 nhóm -COOH và 1 nhóm -NH2 và Mx=1,3114×MY . Cho 0,12 mol pentapeptit tạo thành từ Z tác dụng với dung dịch NaOH vừa đủ sau đó cô cạn thu được bao nhiêu chất rắn khan?

Hóa học Lớp 12
Xem chi tiết 3.7 K lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Cho các phản ứng: (1) O3 + dung dịch KI, (2) F2 + H2O, (3) MnO2 + HCl (t°), (4) Cl2 + CH4,(5) Cl2 + NH3dư, (6) CuO + NH3(t°), (7) KMnO4(), (8) H2S + SO2, (9) NH4Cl + NaNO2(t°), (10) NH3+O2(Pt, 800°C). Số phản ứng có tạo ra đơn chất là

Hóa học Lớp 12
Xem chi tiết 854 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questionsPeople should not throw rubbish in the park. People should not cut down the trees in the park.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.3 K lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenAccording to paragraph 3, the salesman _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 445 lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenAccording to the passage, people should _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 507 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.I thought I should not stay at home yesterday.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.2 K lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Cho các hidrocacbon sau: axetilen, metan, isopren, vinylaxetilen, butadien, metylaxetilen, toluen, stiren. Số chất vừa làm mất màu dung dịch Br2 và dung dịch thuốc tím ở điều kiện thường là:

Hóa học Lớp 12
Xem chi tiết 2.5 K lượt xem 6 năm trước
12 Bài tập thủy phân

X là một tripeptit cấu thành từ các aminoaxit thiết yếu A, B và C (đều có cấu tạo mạch thẳng). Kết quả phân tích các aminoaxit A, B và C này cho kết quả như sau:Khi thủy phân không hoàn toàn X, người ta thu được hai phân tử đipeptit là A-C và C-B. Vậy cấu tạo của X là:

Hóa học Lớp 12
Xem chi tiết 3.1 K lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.My mother is very busy with her work at the office. She still takes good care of us

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.7 K lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenThe word “potentially” in paragraph 4 is closet in meaning to _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 601 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.In spite of his poverty, he led a devoted life to the revolutionary cause

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.5 K lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. Some kinds of fish live in fresh water. Others live in sea water.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 462 lượt xem 1 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Cho dãy các chất: anđehit fomic, anđehit axetic, axit axetic, ancol etylic, glucozo, saccarozo, vinyl fomat. Số chất trong dãy khi đốt cháy hoàn toàn có số mol CO2 sinh ra bằng số mol O2 tham gia phản ứng là

Hóa học Lớp 12
Xem chi tiết 1.5 K lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Cho dãy các chất: stiren, toluen, vinylaxetilen, anlen, số chất phản ứng được với dung dịch Br2 ở điều kiện thường là

Hóa học Lớp 12
Xem chi tiết 313 lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.He comes from a large family, all of them now live in Australia.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 775 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.However old and worn his clothes were, they look clean and of good quality.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 19.6 K lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Cho m kg một loại quặng apatit (chứa 93% khối lượng Ca3(PO4)2, còn lại là tạp chất trơ không chứa photpho) tác dụng vừa đủ với dung dịch H2SO4 đặc để sản xuất supephotphat đơn. Độ dinh dưỡng của supephotphat thu được sau khi làm khô hỗn hợp sau phản ứng là

Hóa học Lớp 12
Xem chi tiết 665 lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Cho dung dịch Ba(HCO3)2 lần lượt vào các dung dịch riêng biệt sau: CaCl2, Ca(NO3)2, NaOH, Na2CO3, KHSO4, Na2SO4, Ca(OH)2, H2SO4 và HC1. Số trường hợp tạo ra kết tủa là

Hóa học Lớp 12
Xem chi tiết 301 lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.I prefer living in a nuclear family than a joint one.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 10.8 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.I can’t stand people who treat animals cruelly.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 599 lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenWhat could be the most suitable title for the passage?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 377 lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Để sản xuất được phân amophot, người ta cho 4 lít dung dịch NH3 1M vào dung dịch 3 mol axit photphoric. Sau khi phản ứng xảy ra hoàn toàn khối lượng muối amoni hidrophotphat thu được là:

Hóa học Lớp 12
Xem chi tiết 1.3 K lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.My mother always get up early to prepare breakfast for everyone in the family.

Tiếng Anh Tốt nghiệp THPT
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12 Bài tập thủy phân

Thủy phân hoàn toàn 14,6 gam một đipeptit thiên nhiên X bằng dung dịch NaOH, thu được sản phẩm trong đó có 11,1 gam một muối chứa 20,72% Na về khối lượng. Công thức của X là:

Hóa học Lớp 12
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Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.Although it’s a long day for us, we feel we are contented with what we do.

Tiếng Anh Tốt nghiệp THPT
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BÀI TẬP TÍNH TOÁN

Hòa tan 54,44 gam hỗn hợp X gồm PCl3 và PBr3 vào nước được dung dịch Y. Để trung hòa hoàn toàn dung dịch Y cần 500ml dung dịch KOH 2,6M. Tỷ lệ % khối lượng của PCl3 trong X là

Hóa học Lớp 12
Xem chi tiết 304 lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenAccording to the passage, cellphones are very popular with young people because_______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 843 lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Phát biểu nào sau đây không đúng?

Hóa học Lớp 12
Xem chi tiết 4.9 K lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions."No, I won't go to work at the weekend," said Sally.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 4.2 K lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenThe phrase “negative publicity” in paragraph 2 most likely means _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.4 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.Sports and festivals form an integral part of every human society.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.9 K lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Cho x gam P2O5 tác dụng hết với 338 ml dung dịch NaOH 2M. Cô cạn dung dịch sau phản ứng thu được 3x gam chất rắn. Giá trị của x là

Hóa học Lớp 12
Xem chi tiết 1.1 K lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.We survived that accident because we were wearing our seat belts.

Tiếng Anh Tốt nghiệp THPT
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Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to ndicate the correct answer to each of the questions.Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too oftenThe word “they” in paragraph 2 refers to _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.5 K lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Tiến hành nung nột loại quặng chứa Ca3(PO4)2 hàm lượng 70% với C và SiO2 đều lấy dư ở 10000C. Tính lượng quặng cần lấy để có thể thu được 62 gam P. Biết hiệu suất phản ứng đạt 80%.

Hóa học Lớp 12
Xem chi tiết 300 lượt xem 6 năm trước
900 bài ôn tập rèn luyện lý thuyết tổng hợp môn hóa học (P17)

Trong các hỗn hợp sau: (1) 0,1 mol Fe và 0,1 mol Fe3O4; (2) 0,1 mol FeS và 0,1 mol CuS; (3) 0,1 mol Cu và 0,1 mol Fe3O4; (4) 0,02 mol Cu và 0,5 mol Fe(NO3)2; (5) 0,1 mol MgCO3 và 0,1 mol FeCO3. Những hỗn hợp có thể tan hoàn toàn trong dung dịch H2SO4 loãng dư là

Hóa học Lớp 12
Xem chi tiết 5.7 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.I’m becoming increasingly absent-minded. Last week, I locked myself out of my house twice.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 57.1 K lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.I had never been to Denmark before, so when I set out to catch the ferry in early May, I littlesuspected that by the end of the trip I'd have made such lasting friendships. Esjberg is a (23) ________ port for a cyclist's arrival, where tourist information can be obtained and money changed. A cycle track leads (24) ________ town and down to Ribe, where I spent my first night. The only appointment I had to keep was a meeting with a friend who was flying out in June. I wanted to use my time well, so I had planned a route which would include several small islands and various parts of the countryside.In my (25) ________, a person travelling alone sometimes meets with unexpected hospitality, and this trip was no (26) ________. On only my second day, I got into conversation with a cheerful man who turned out to be the local baker. He insisted that I should join his family for lunch, and, while we were eating, he contacted his daughter in Odense. Within minutes, he had (27) ________ for me to visit her and her family. Then I was sent on my way with a fresh loaf of bread to keep me going and the feeling that this would turn out to be a wonderful holiday.Điền ô số 27

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 394 lượt xem 6 năm trước
15 Đề ôn thi thpt Quốc Gia môn Tiếng Anh có lời giải chi tiết (Đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.I haven't met my grandparents for five years.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2 K lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Nung 19,4 gam hỗn hợp Fe(NO3)2, AgNO3 một thời gian thu được hỗn hợp chất rắn X. Cho X vào nước đến khi các phản ứng xảy ra hoàn toàn thu được chất rắn Y và dung dịch Z. Cho Y vào dung dịch HCl dư có 4,32 gam chất rắn không tan. Cho Z tác dụng với dung dịch HCl dư thì có khí không màu thoát ra hóa nâu trong không khí. Phần trăm khối lượng của AgNO3 trong hỗn hợp ban đầu là

Hóa học Lớp 12
Xem chi tiết 286 lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.I had never been to Denmark before, so when I set out to catch the ferry in early May, I littlesuspected that by the end of the trip I'd have made such lasting friendships. Esjberg is a (23) ________ port for a cyclist's arrival, where tourist information can be obtained and money changed. A cycle track leads (24) ________ town and down to Ribe, where I spent my first night. The only appointment I had to keep was a meeting with a friend who was flying out in June. I wanted to use my time well, so I had planned a route which would include several small islands and various parts of the countryside.In my (25) ________, a person travelling alone sometimes meets with unexpected hospitality, and this trip was no (26) ________. On only my second day, I got into conversation with a cheerful man who turned out to be the local baker. He insisted that I should join his family for lunch, and, while we were eating, he contacted his daughter in Odense. Within minutes, he had (27) ________ for me to visit her and her family. Then I was sent on my way with a fresh loaf of bread to keep me going and the feeling that this would turn out to be a wonderful holiday.Điền ô số 26

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 323 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 3)

Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following questions.Lora has just bought a new skirt that she likes very much. Choose the most suitable response to fill in the blank in the following exchange.-Jane: “You look great in that red skirt, Lora!” -Lora: “______”.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.4 K lượt xem 6 năm trước
BÀI TẬP TÍNH TOÁN

Hòa tan hoàn toàn 3,84 gam Cu trong dung dịch HNO3 dư thu được khí NO (sản phẩm khử duy nhất). Trộn NO trên với O2 dư, thu được hỗn hợp khí Y. Sục Y vào nước dư, thu được dung dịch Z và còn lại khí O2 duy nhất. Tổng thể tích O2 (đktc) đã phản ứng là

Hóa học Lớp 12
Xem chi tiết 1.1 K lượt xem 6 năm trước
Đề luyện thi THPT quốc gia môn tiếng anh có lời giải (Đề số 11)

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.I had never been to Denmark before, so when I set out to catch the ferry in early May, I littlesuspected that by the end of the trip I'd have made such lasting friendships. Esjberg is a (23) ________ port for a cyclist's arrival, where tourist information can be obtained and money changed. A cycle track leads (24) ________ town and down to Ribe, where I spent my first night. The only appointment I had to keep was a meeting with a friend who was flying out in June. I wanted to use my time well, so I had planned a route which would include several small islands and various parts of the countryside.In my (25) ________, a person travelling alone sometimes meets with unexpected hospitality, and this trip was no (26) ________. On only my second day, I got into conversation with a cheerful man who turned out to be the local baker. He insisted that I should join his family for lunch, and, while we were eating, he contacted his daughter in Odense. Within minutes, he had (27) ________ for me to visit her and her family. Then I was sent on my way with a fresh loaf of bread to keep me going and the feeling that this would turn out to be a wonderful holiday.Điền ô số 25

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 385 lượt xem 6 năm trước

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