填空题

A. fall asleep again.
B. become more energetic the following day
C. sleep less than 7 hours
D. confirm those serious consequences
E. suffer sleep problems
F. sleep more than 8 hours

To get a good night’s rest, people may not need to ______.

【参考答案】

F

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单项选择题

单项选择题

A. fall asleep again.B. become more energetic the following dayC. sleep less than 7 hoursD. confirm those serious consequencesE. suffer sleep problemsF. sleep more than 8 hours To get a good night’s rest, people may not need to ______.