单项选择题

In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the best answer to each question on ANSWER SHEET TWO.
The interview is mainly about ______.

A. differentiation of problem sleepers
B. advice for the insomnious people
C. necessity of having a good sleep
D. different sleep habits of people
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单项选择题
Dr. Getsy says a nap is good as long as you sleep no more than ______.
A. an hour
B. one and half hours
C. two hours
D. two and half hours
单项选择题
Concerning sleep hygiene, which of the following suggestions is INCORRECT
A. Putting sleep ahead of any other things.
B. Preventing having caffeine after breakfast.
C. Making the bedroom comfortable.
D. Preventing taking a long nap in the day.
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