What do you think of the reasons ______h

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问题选择题

What do you think of the reasons ______ he explained at the meeting_______ reducing the price? [ ]

A. why; why

B. that; for which

C. that; for

D. which; why

答案

答案：C

填空题

在窗体上添加一个命令按钮，然后编写如下事件过程：
Private Sub Command1_Click()
Sum =0
For i=3 T0 7
Sum =i+2
Next i
MsgBox sum+i
End Sub
打开窗体后，单击命令按钮，消息框的输出结果是______。

判断题

蜗轮蜗杆式启闭机一般采用手摇启闭，也可直接与电动机连接，用电动启闭。