题目内容
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[单选题]
After tracking the group for six years,researchers found that short sleep time had a h
A.health
B.death rate
C.longevity
D.disease
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.health
B.death rate
C.longevity
D.disease
如果结果不匹配，请 联系老师 获取答案
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