题目内容

8. By thetime Professor Smith retires he for forty years.

A. had taught
B. hastaught
C. willhavetaught
D. willteach

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9. Bythetime yougetthere tomorrow,they forBeijing.

A. will haveleft
B. areleaving
C. willleave
D. aretoleave

10. We hoped that by the end of the yearwe the job.

A. hadfinished
B. finished
C. wouldhavefinished
D. willfinish

根据投影原理、标准或有关规定,表示工程对象,并有必要的技术说明的图,称为:()。

A. 图样
B. 图幅
C. 图纸
D. 图形

为了便于读图和图样管理,装配图上所有的零、部件都必须编写序号,并在标题栏上方编制相应的()。

A. 标题栏
B. 序号
C. 技术要求
D. 明细栏

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