Paragraph 5 __________

A．Kripke's research tool

B．Dangers of habitual shortages of sleep

C．Criticism on Kripke's report

D．A way of overcoming insomnia

E．Sleep problems of long and short sleepers

F．Classification of sleep problems

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参考答案

本段讲的是Kripke的研究。A和F容易相互成为干扰项，但由于段落中提到的“睡眠问题”是属于问卷上要回答的内容，是和Kripke的直接研究有关，所以判断A是答案，同时推测F可能是干扰项。

1 Paragraph 6 __________

A．Kripke's research tool

B．Dangers of habitual shortages of sleep

C．Criticism on Kripke's report

D．A way of overcoming insomnia

E．Sleep problems of long and short sleepers

F．Classification of sleep problems

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2 To get a good night's rest, people may not need to __________.

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

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3 One survey showed that people who habitually __________ each night have a higher risk of dying.

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

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