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问题 单项选择题

下列不是设计概算审查较常用的方法的是( )。

A．对比分析法
B．分组计算审查法
C．查询核实法
D．联合会审法

答案

参考答案：B

选择题
Recently Peter _____ to do his homework, and instead insists on wasting his time playing computer games, which extremely annoys his father.

A. had been refusing
B. has been refusing
C. was refusing
D. refused
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单项选择题

FOCKE401小盒透明纸包装机清洁拉线纵切刀，并检查（）把拉线纵切刀刃口磨损情况。

A.一

B.二

C.三

D.四
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