I arrived at the airport ________ the pl_爱下问搜题

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问题选择题

I arrived at the airport ________ the plane had taken off.[ ]

A. after

B. while

C. when

D. before

答案

答案：A

单项选择题

函数IIF(LEN(REPLICATE("*",4))＞6,5,-5)返回的值是______。

A．.

B．.

C．-5

D．5

问答题简答题

简述马赛公寓（柯布西耶设计）的主要特点。