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.
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

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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. Dr. Getsy says a nap is good as long as you sleep no more than ______. 您的浏览器不支持 audio 元素。