题目内容

拉深模按拉深工序分类,可分为( )。

A. 单工序拉深模
B. 级进拉深模
C. 复合拉深模
D. 单动拉深模

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一台量程范围为0-200℃的温度仪表,检验测试结果其最大绝对误差为4℃,试判断该温度仪表的精度等级。

As soon as he________here, I’ll tell him about it.

A. will come
B. come
C. comes
D. is coming

If it________tomorrow, I’ll do some washing.

A. will not rain
B. doesn’t rain
C. not to rain
D. don’t rain

________he was very tired, he still went on working hard.

A. For
B. Though
C. As
D. Since

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