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问题 单项选择题

在装配图中，两圆柱齿轮啮合的外形图，在平行于齿轮轴线方向的视图中，啮合区的分度线用（）绘制，齿项线不画出。

A.双点划线

B.点划线

C.粗实线

D.细实线

答案

参考答案：B

选择题

—He couldn't have finished his homework last night, _________he?

—No. You see, he is busy doing it now.[ ]

A. has        

B. could        

C. must      

D. did
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问答题

Under the Partnership Act, 1932:

(c) describe the liability of a partner for the acts of the partnership firm. (3 marks)
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