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Passage 1:

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 (1) ________ for school? According to a new report, today's generation of children are in danger of getting so (2)_______ sleep that they are putting their mental and physical health at (3)_______. Adults can easily survive on seven to eight hours' sleep a night, (4)_______teenagers require nine or ten hours. According to medical experts, one in five youngsters (5)________ anything between two and five hours' sleep a night less than their parents did at their age.

By Tim Falla and Paul A.Davies, Solutions Advanced. OUP

ID [786430]

(4)

A. or
B. because
C. whereas
D. so
Lại Thị Lan
Đáp án C Or: hoặc
Whereas: trong khi
Because: bởi vì
So: vì thế
Tạm dịch:
Adults can easily survive on seven to eight hours' sleep a night, (4)_______teenagers require nine or ten hours.
Người lớn có thể chỉ cần từ 7 đến 8 tiếng ngủ mỗi đêm, trong khi thanh thiếu niên cần 9 đến 10 tiếng.
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