问题
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Why does the author suggest that some people are urged to defer in discussions of internat
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______, the higher the cholesterol levels tend to be.A.One experiences stress the moreB.Th
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Why do people dream?A.People dream so as to sleep better.B.People dream in order not to go
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Whats the topic discussed in this passage?A.Why people hold back their tears.B.Why people
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What "programs" sighted people to sleep at night?A.A decrease in melatonin level.B.An incr
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Why do people constantly move from the countryside into the cities?A.Because the earth in