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问题 单项选择题

根据《YD5189-2010长途通信光缆塑料管道工程施工监理暂行规定》，安全监督管理，应坚持（）的管理方针，杜绝或减少各类事故的发生。

A.安全第一，预防为主

B.安全第一、综合治理

C.预防为主、防治结合

D.安全第一，防治结合

答案

参考答案：A

单项选择题

少年运动员饭后最好休息( )再参加比赛

A．1h
B．0.5h
C．2～3h
D．0.5～1h
E．1.5～2h
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单项选择题

Previous studies have indicated that eating chocolate increases the likelihood of getting heart disease. However, a new, more reliable study has indicated that eating chocolate does not increase the likelihood of getting heart disease. When the results of the new study become known, consumption of chocolate will undoubtedly increase.
Which of the following is an assumption on which the conclusion above is based

A．Most people who eat a great deal of chocolate will not get heart disease.

B．Although they believe that eating chocolate increases the likelihood of getting heart disease, some people still eat as much chocolate as they want.

C．People who have heard that eating chocolate increases the likelihood of getting heart disease do not believe it.

D．There are people who currently eat as much chocolate as they want because they have not heard that eating chocolate increases the likelihood of getting heart disease.

E．(E) There are people who currently limit their consumption of chocolate only because they believe that eating chocolate increases the likelihood of getting heart disease.
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