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Câu hỏi: 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 25 to 29.
Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed in time for school? According to a new report, today's generation of children are in danger of getting so (25) ___________sleep that they are putting their mental and physical health at risk. Adults can easily survive on seven to eight hours' sleep a night, (26) ___________teenagers require nine or ten hours. According to medical experts, one in five youngsters gets anything between two and five hours' sleep a night less than their parents did at their age.
This (27) ___________ serious questions about whether lack of sleep is affecting children's ability to concentrate at school. The connection between sleep deprivation and lapses in memory, impaired reaction time and poor concentration is well (28) ___________Research has shown that losing as little as half an hour's sleep a night can have profound ef fects on how children perform the next day. A good night's sleep is also crucial for teenagers because it is while they are asleep (29)___________they release a hormone that is essential for their 'growth spurt' (the period during teenage years when the body grows at a rapid rate). It's true that they can, to some extent, catch up on sleep at weekends, but that won't help them when they are dropping off to sleep in class on a Friday afternoon.
The word or phrase which best fits the gap (29) is...
A. where
B. that
C. which
D. at which
Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed in time for school? According to a new report, today's generation of children are in danger of getting so (25) ___________sleep that they are putting their mental and physical health at risk. Adults can easily survive on seven to eight hours' sleep a night, (26) ___________teenagers require nine or ten hours. According to medical experts, one in five youngsters gets anything between two and five hours' sleep a night less than their parents did at their age.
This (27) ___________ serious questions about whether lack of sleep is affecting children's ability to concentrate at school. The connection between sleep deprivation and lapses in memory, impaired reaction time and poor concentration is well (28) ___________Research has shown that losing as little as half an hour's sleep a night can have profound ef fects on how children perform the next day. A good night's sleep is also crucial for teenagers because it is while they are asleep (29)___________they release a hormone that is essential for their 'growth spurt' (the period during teenage years when the body grows at a rapid rate). It's true that they can, to some extent, catch up on sleep at weekends, but that won't help them when they are dropping off to sleep in class on a Friday afternoon.
The word or phrase which best fits the gap (29) is...
A. where
B. that
C. which
D. at which
Kiến thức kiểm tra: Câu chẻ/ Câu nhấn
Giải thích chi tiết:
Cấu trúc câu chẻ: It + be + ... + that/ whom/ who ... + ...
Mục đích: Để nhấn mạnh vào một đối tượng hoặc sự việc nào đó.
Ví dụ:
1. Nhấn mạnh chủ ngữ: It was her story that made all of us cry. (Chính câu chuyện của cô ấy làm chúng tôi phải khóc)
2. Nhấn mạnh tân ngữ: It was Mary whom we gave the document. (Chính Mary là người chúng tôi đã gửi tài liệu đó).
3. Nhấn mạnh trạng ngữ (thời gian, nơi chốn, cách thức...) (dùng (that): It is by using this software that you can kill computer viruses. (Chính phần mềm này sẽ giúp bạn diệt virus máy tính).
Câu cần hoàn thành có cấu trúc tương tự như ví dụ 3. Do vậy, phương án B là phù hợp nhất.
Ý nghĩa của câu: ... chính trong khi ngủ, cơ thể chúng sẽ sản sinh ra hóc môn cần thiết cho giai đoạn phát triển tăng vọt của chúng.
Giải thích chi tiết:
Cấu trúc câu chẻ: It + be + ... + that/ whom/ who ... + ...
Mục đích: Để nhấn mạnh vào một đối tượng hoặc sự việc nào đó.
Ví dụ:
1. Nhấn mạnh chủ ngữ: It was her story that made all of us cry. (Chính câu chuyện của cô ấy làm chúng tôi phải khóc)
2. Nhấn mạnh tân ngữ: It was Mary whom we gave the document. (Chính Mary là người chúng tôi đã gửi tài liệu đó).
3. Nhấn mạnh trạng ngữ (thời gian, nơi chốn, cách thức...) (dùng (that): It is by using this software that you can kill computer viruses. (Chính phần mềm này sẽ giúp bạn diệt virus máy tính).
Câu cần hoàn thành có cấu trúc tương tự như ví dụ 3. Do vậy, phương án B là phù hợp nhất.
Ý nghĩa của câu: ... chính trong khi ngủ, cơ thể chúng sẽ sản sinh ra hóc môn cần thiết cho giai đoạn phát triển tăng vọt của chúng.
Đáp án B.