题目内容

Silk and nylon look alike but they ___________ in origin and cost.

A. refer
B. infer
C. differ
D. prefer

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The football match was televised ___________from the Worker’s Stadium.

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如下函数调用语句func(rec1,rec2+rec3,rec4,rec5);该函数调用语句中,含的实参个数是().

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以下程序的输出结果是().

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