问答题

喷油泵每次泵出的油量取决于（）的长短。
A、有效行程
B、曲柄长度
C、实际行程
D、最大行程

答案： A

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单项选择题

(AB+CD)'=(AB)'(CD)'

A．对
B．错

If the interviewees are asked by the question of “Why do you want to work for us?”, they can involve the company information such as business scope, main products, size, history, competitors, company culture and so on.

答案：正确