John is strongly convinced that extra time spent studying now will _____ in the future.
A. show off
B. set off
C. pay off
D. take off
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It is typical of students to stay up _____ deep into the night for the final exam.
A. to read
B. having read
C. to have read
D. reading
只能用于单一目标研究的老七种工具是( )11-277
A. 因果图
B. 分层图
C. 调查法
D. 直方图
故障树分析()的目的是( )12-325
A. 显示故障和原因之间的关系
B. 识别故障发生的所有方式,以确定其影响和严重程度
C. 确定系统的可靠性大小
D. 确定故障的可维修性
标准化的本质是( )13-336
A. 过程
B. 统一
C. 简化
D. 体系
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