单项选择题

The author writes this passage so as to inform you of ______.

A．the comparison between babies and the elderly
B．the result of the survey recently taken in Shanghai
C．the importance of high-quality and sufficient sleep
D．the positive and negative effect of sufficient sleep
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单项选择题
How many people could not have a sound sleep at night according to the recent survey A) 70%. C) 45.3%. B) 54.3%. D) 36.5%.
A．How many people could not have a sound sleep at night according to the recent survey
B．70%.
C．54.3%.
D．45.3%.
E．36.5%.
单项选择题
When finding it difficult to fall asleep, people would usually rely on ______. A) sleeping pills C) tossing in bed B) counting in bed D) turning in bed
A．When finding it difficult to fall asleep, people would usually rely on ______.
B．sleeping pills
C．counting in bed
D．tossing in bed
E．turning in bed
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