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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:Since their appearance, books are a precious __________ of knowledge and pleasure.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 11.3 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions.According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings.The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.Young children __________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 621 lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Trong quần xã nhóm sinh vật cho sản lượng sinh vật cao nhất thuộc về

Sinh học Tốt nghiệp THPT
Xem chi tiết 1.7 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer: Lots of houses __________ by the earthquake.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.6 K lượt xem 1 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions.According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings.The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.According to the passage, we respond to others by _________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 488 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:They congratulated me __________ the exams with high marks.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.5 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions.According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings.The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.The biggest difference lies in __________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.8 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:While __________ to help Tom with his math, I got impatient because he wouldn‟t pay attention to what I was saying.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 18 K lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Theo quan niệm hiện đại về chọn lọc tự nhiên, phát biểu nào sau đây không đúng?

Sinh học Tốt nghiệp THPT
Xem chi tiết 677 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions.According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings.The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.Unlike American children, Asian children are encouraged to _______.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 606 lượt xem 6 năm trước
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. Giá trị của m là?

Hóa học Lớp 12
Xem chi tiết 1.9 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:On the way home yesterday I happened__________ your sister.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 3.7 K lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Ở cấp độ phân tử thông tin di truyền được truyền từ nhân ra tế bào chất nhờ quá trình nào?

Sinh học Tốt nghiệp THPT
Xem chi tiết 257 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:We stopped for a rest after we __________ for two hours

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 7.9 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions.According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings. The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.Many studies on emotional expressions try to answer the question whether _________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 841 lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Ở một loài thực vật alen A quy định quả đỏ trội hoàn toàn so với alen a quy định quả vàng. Đem hai cây quả đỏ và quả vàng thuần chủng giao phấn với nhau thu được F1 toàn quả đỏ. Cho F1 tự thụ phấn thu được F2. Tiếp tục cho F2 tự thụ phấn thu được F3. Kết luận nào sau đây là chính xác?

Sinh học Tốt nghiệp THPT
Xem chi tiết 305 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

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.You can usually tell when your friends are happy or angry by the looks on their faces or by their actions. This is useful because reading their emotional expressions helps you to know how to respond to them. Emotions have evolved to help us respond to important situations and to convey our intentions to others. But does raising the eyebrows and rounding the mouth say the same thing in Minneapolis as it does in Madagascar? Much research on emotional expressions has centered on such questions. According to Paul Ekman, the leading researcher in this area, people speak and understand substantially the same "facial language". Studies by Ekman's group have demonstrated that humans share a set of universal emotional expressions that testify to the common biological heritage of the human species. Smiles, for example, signal happiness and frowns indicate sadness on the faces of people in such far- flung places as Argentina, Japan, Spain, Hungary, Poland , Sumatra ,the United States, Vietnam, the jungles of New Guinea , and the Eskimo villages north of Artic Circle. Ekman and his colleagues claim that people everywhere can recognize at least seven basic emotions: sadness, fear, anger, disgust, contempt, happiness, and surprise. There are, however, huge differences across cultures in both the context and intensity of emotional displays - the so called display rules. In many Asian cultures, for example, children are taught to control emotional responses - especially negative ones- while many American children are encouraged to express their feelings more openly. Regardless of culture, however, emotions usually show themselves, to some degree , in people's behavior. From their first days of life, babies produce facial expressions that communicate their feelings. The ability to read facial expressions develops early, too. Very young children pay close attention to facial expressions, and by age five, they nearly equal adults in their skill at reading emotions on people's faces. This evidence all points to a biological underpinning for our abilities to express and interpret a basic set of human emotions. Moreover, as Charles Darwin pointed out over a century ago, some emotional expressions seem to appear across species boundaries. Cross - cultural psychologists tell us that certain emotional responses carry different meanings in different cultures. For example, what emotion do you suppose might be conveyed by sticking out your tongue? For Americans, this might indicate disgust, while in China it can signify surprise. Likewise, a grin on an American face may indicate joy, while on a Japanese face it may just as easily mean embarrassment. Clearly, culture influences emotional expressions.The word " evolved" is closest in meaning to _________.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 828 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:Up to the present, George __________ good work in his class.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 22.2 K lượt xem 6 năm trước
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 este (no, đơn chức, mạch hở). Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 1:2. Đun nóng m gam E trong 100 ml dung dịch NaOH 1M vừa đủ thu được bốn muối Z và ancol etylic. Đốt cháy hoàn toàn E cần dùng vừa đủ 0,515 mol O2. Sản phẩm cháy thu được có chứa 0,03 mol N2. Giá trị của m là? 

Hóa học Lớp 12
Xem chi tiết 371 lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Ở dê, tính trạng râu xồm do 1 gen gồm 2 alen quy định nằm trên NST thường. Nếu cho dê đực thuần chủng (AA) có râu xồm giao phối với dê cái thuần chủng (aa) không có râu xồm thì F1 thu được 1 đực râu xồm : 1 cái không râu xồm. Cho F1 giao phối với nhau thu được ở F2 có tỉ lệ phân li 1 râu xồm : 1 không râu xồm. Nếu chỉ chọn những con đực râu xồm ở F2 cho tạp giao với các con cái không râu xồm ở F2 thì tỉ lệ dê cái không râu xồm ở đời lai thu được là bao nhiêu?

Sinh học Tốt nghiệp THPT
Xem chi tiết 476 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 9)

Choose the best answer:It is interesting to take __________ a new hobby such as collecting stamps or going fishing.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2 K lượt xem 6 năm trước
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 este (no, đơn chức, mạch hở). Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 1:2. Đun nóng E trong 100 ml dung dịch NaOH 1M vừa đủ thu được bốn muối Z và ancol etylic. Đốt cháy hoàn toàn E cần dùng vừa đủ 0,515 mol O2. Sản phẩm cháy thu được có chứa 0,03 mol N2. Tổng khối lượng (gam) các muối trong Z là?

Hóa học Lớp 12
Xem chi tiết 0.9 K lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Hệ sinh thái tự nhiên có cấu trúc ổn định và hoàn chỉnh vì:

Sinh học Tốt nghiệp THPT
Xem chi tiết 1.2 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Cho 27,2 gam hỗn hợp X gồm 2 este đơn chức, mạch hở tác dụng vừa đủ với dung dịch NaOH, thu được một muối duy nhất và 11 gam hỗn hợp hai ancol đồng đẳng kế tiếp. Mặt khác, đốt cháy hoàn toàn 13,6 gam X cần 16,8 lít O2 (đktc) và thu được 14,56 lít CO2 (đktc). Tên gọi của hai este là

Hóa học Lớp 12
Xem chi tiết 14.5 K lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Cho các bước tạo động vật chuyển gen:(l) Lấy trứng ra khỏi con vật.(2) Cấy phôi đã được chuyển gen vào tử cung con vật khác để nó mang thai và sinh đẻ bình thường.(3) Cho trứng thụ tinh trong ống nghiệm.(4) Tiêm gen cần chuyển vào hợp tử và hợp tử phát triển thành phôi.Trình tự đúng trong quy trình tạo động vật chuyển gen là

Sinh học Tốt nghiệp THPT
Xem chi tiết 295 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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.The occean probably distinguishes the earth from other planets of the solar system, for scientists believe that large bodies of water are not existing on the other planets.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 697 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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.For its establishment, ASEAN Tourism Association has played an important role in promoting and developing ASEAN Tourism services.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 679 lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Trong một quần thể giao phối ngẫu nhiên có kích thước lớn trên một hòn đảo đại dương, không có chọn lọc, không có đột biến, tần số tương đối của các alen thuộc một gen nào đó:

Sinh học Tốt nghiệp THPT
Xem chi tiết 571 lượt xem 6 năm trước
20 đề thi thử THPTQG môn Sinh học năm 2019 - 2020 (Đề số 7)

Nếu kích thước quần thể xuống dưới mức tối thiểu, quần thể dễ rơi vào trạng thái suy giảm dẫn tới diệt vong. Giải thích nào sau đây là không phù hợp?

Sinh học Tốt nghiệp THPT
Xem chi tiết 418 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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.Fifty minutes are the maximum length of time allotted for the exam.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 3.1 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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 thought she was the right person for the position, yet it turned put that she was quite useless.

Tiếng Anh Tốt nghiệp THPT
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Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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 don't find it difficult to get up early in the morning.

Tiếng Anh Tốt nghiệp THPT
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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 este (no, đơn chức, mạch hở). Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 1:2. Đun nóng E trong 100 ml dung dịch NaOH vừa đủ thu được bốn muối và ancol etylic. Đốt cháy hoàn toàn E cần dùng vừa đủ 0,515 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,03 mol N2. Giá trị của b là?

Hóa học Lớp 12
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Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.All of the following fields of professional interest and activity are used to describe de Tocqueville EXCEPT 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 581 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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 couldn't solve the problem until our teacher arrived.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1.6 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.What in the passage is mentioned as being truly remarkable? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 1 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.Which of the following is true, according to the passage? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 410 lượt xem 6 năm trước
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 este (no, đơn chức, mạch hở). Hỗn hợp E chứa X, Y với tỷ lệ mol tương ứng là 1:2. Đun nóng E trong 100 ml dung dịch NaOH 1M vừa đủ thu được bốn muối và ancol etylic. Đốt cháy hoàn toàn E cần dùng vừa đủ 0,515 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,03 mol N2. Giá trị của a là?

Hóa học Lớp 12
Xem chi tiết 2.1 K lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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.Transportation has been made much easier thanks to the invention of car. However, cars are the greatest contributor of air pollution.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 2.3 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hợp chất X mạch hở có công thức phân tử là C4H9NO2. Cho 10,3 gam X phản ứng vừa đủ với dung dịch NaOH sinh ra một chất khí Y và dung dịch Z. Khí Y nặng hơn không khí, làm giấy quỳ tím ẩm chuyển màu xanh. Dung dịch Z có khả năng làm mất màu nước brom. Cô cạn dung dịch Z thu được m gam muối khan. Giá trị của m là

Hóa học Lớp 12
Xem chi tiết 306 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.According to the passage, “Democracy in America” consisted of how many volumes? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 0.9 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Cho sơ đồ phản ứng :EsteX(C4HnO2)→NaOH,toY→AgNO3,toZ→NaOH,toC2H3O2NaCông thức cấu tạo của X thỏa mãn sơ đồ đã cho là

Hóa học Lớp 12
Xem chi tiết 345 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (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.Our products are environmentally- friendly. We package all of them in recyclable materials.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 18.1 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.Which of the following can be inferred from the passage?

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 467 lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.According to the passage, when did de Tocqueville visit America? 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 366 lượt xem 6 năm trước
50 bài toán hay và khó về hỗn hợp chứa peptit và este (P1)

E là peptit mạch hở được tạo bởi Gly, Ala và Val. Người ta lấy 0,03 mol E trộn với một lượng este Y (no, đơn chức, mạch hở) thu được 20,52 gam hỗn hợp T. Đốt cháy hoàn toàn T cần dùng vừa đủ 1,225 mol O2. Sản phẩm cháy thu được có chứa a mol CO2, b mol H2O và 0,09 mol N2. Giá trị của b là?

Hóa học Lớp 12
Xem chi tiết 756 lượt xem 6 năm trước
Đề thi thử THPTQG Sở Giáo Dục Và Đào Tạo Hà Nội môn Tiếng Anh (đề số 1)

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 3.4 K lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Hai este A và B là đồng phân của nhau và đều do axit cacboxylic no, đơn chức và ancol no đơn chức tạo thành. Để xà phòng hóa hoàn toàn 33,3 gam hỗn hợp hai este trên cần vừa đủ 450 ml dung dịch NaOH 1M. Tên gọi của 2 este đó là

Hóa học Lớp 12
Xem chi tiết 10.4 K lượt xem 6 năm trước
Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 8)

Read the passages and circle the best option A, B, C, or D to complete the following questions or statementsAlexis de Tocqueville, the French political scientist, historian, philosopher and politician, is most famous for a four-volume book he wrote called “Democracy in America”. He came to America in 1831 to study the American form of democracy and what it might mean to the rest of the world. After a visit of only nine months, he wrote a remarkable book which is regarded as a classic. De Tocqueville had unusual powers of observation. He described not only the democratic system of government and how it operated, but also its effect on how Americans think, feel, and act. Many scholars believe he had a deeper understanding of traditional American beliefs and values than anyone else who has written about the United States. What is so remarkable is that many of these traits which he observed nearly 200 years ago, are still visible and meaningful today. His observations are also important because the timing of his visit, the 1830s, was before America was industrialized. This was the era of the small farmer, the small businessman, and the settling of the western frontier. It was the period of history when the traditional values of the new country were newly established. In just a generation, some 40 years since the adoption of the U.S. Constitution, the new form of government had already produced a society of people with unique values. He was, however, a neutral observer and saw both the good and bad sides of these qualities.The first part of “Democracy in America” was written in 1831-32 and published in 1835. A highly positive and optimistic account of American government and society, the book was very well received. He attempted to get a glimpse of the essence of American society, all the while promoting his own philosophy: the equaling of the classes and the inevitable depth of aristocratic privilege. The rest of the book he labored on for four years, and in 1840 the second part was published. This was substantially more pessimistic than the first, warning of the dangers despotism and governmental centralization, and applying his ideas and criticisms more directly to France. As a result, it was not received as well as the first part, except in England where it was acclaimed highly.The word “unique” in the passage is closest in meaning to 

Tiếng Anh Tốt nghiệp THPT
Xem chi tiết 723 lượt xem 6 năm trước
Ôn luyện hóa hữu cơ 12 cực hay có lời giải (Đề số 07)

Cho các phát biểu sau:(1) Với công thức phân tử C2HxOy (M < 62; x, y > 0) có 4 hợp chất hữu cơ mạch hở có thể phản ứng với AgNO3/NH3.(2) Có 4 hiđrocacbon mạch hở (số cacbon nhỏ hơn 4) làm mất màu dung dịch Br2/CCl4.(3) Có 5 chất có công thức cấu tạo khác nhau và M = 90u (mạch hở, không phân nhánh, chứa C, H, O, chỉ chứa nhóm chức có H linh động) hòa tan được Cu(OH)2 và khi tác dụng với Na dư được số mol H2 bằng số mol chất đó.(4) Tinh bột và xenlulozơ là đồng phân của nhau.(5) Tơ axetat và tơ visco thuộc loại tơ bán tổng hợp.(6) Lysin, axit glutamic, axit lactic, phenylamin, benzylamin đều làm đổi màu quỳ tím.Số phát biểu đúng là

Hóa học Lớp 12
Xem chi tiết 4.2 K lượt xem 6 năm trước

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