试题与答案

As a colleague he's great, but as a frie

题型:选择题

题目:

As a colleague he's great, but as a friend he's________failure. That's why their friendship ended in

________ruin. [ ]

A. /; /  

B. /; a  

C. a; a  

D. a; /

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析: 要使一个表单成为活动的,可使用Show方法。Show方法在使表单成为可见的同时,使其成为活动的。

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