题目内容

每个构件都一定是由两个以上的零件组成的。

A. 对
B. 错

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A. 对
B. 错

A. 对
B. 错

A. 对
B. 错

A. Sorry, he is busy at the moment.
B. Why didn’t you call earlier?
Certainly. May I know your name?
D. Sorry. He doesn’t want to see you.