题目内容
问卷中的问句表达要简明、生动，注意概念的准确性，避免提似是而非的问题。（）
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Directions: Decide whether the following statements are true (T) or false (F) according to the text.( ) 1 Jokes could make people relaxed, so they can boost their health.( ) 2 The Sincerity group wasn't given any instructions except that they were selected for a study.( ) 3 There are many significant distinctions between the two groups.( ) 4 People in the Sincerity group were asked to tell nothing but the truth.( ) 5 In the end of the study, the Sincerity group reported less physical health problems but more mental problems.( ) 6 It takes five weeks to see results because it takes time for people to regain the virtue of honesty.( ) 7 Kelly has also been following the instructions of telling the truth and her health has been improved.( ) 8 The study's methodology is not simple, so it can only be conducted by scientists.
齿轮式机油泵要检测（）与齿轮断面间隙
主、从动齿轮之间的啮合间隙超过（）mm时应更换。
检测机油泵各部分之间的间隙所使用的工具是（）
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