题目内容

标准作业不能作为改善的工具来使用。

A. 对
B. 错

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没有标准化就没有改善,改善的第一步就在于标准化。

A. 对
B. 错

It has now become clear how extraordinarily fecund a _______ was the 1890s.

A. September
B. December
C. decade
D. octopus

The sum of all the angles of a _________ is 180 degrees.

A. triangle
B. sexangle
C. enneagon
D. pantagon

I ____________ in Hawaii for ten years.

A. has been living
B. have been lived
C. has be lived
D. have been living

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