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问题 选择题

  The population of the country is 3 million, _____ Kooris.

A．1 % of which were made up of

B．1 % of it were Kooris

C．and 1 % of which were made up of

D．1 % of them were

答案

答案：A

填空题

设有命令按钮Commandl的单击事件过程，代码如下：
Private SubCommandl_Click()
Dim a(3,3) As Integer
For i＝1 To 3
For i＝1 To 3
a(i,j) ＝i*j+i+j
Next j
Next i
Sum＝0
Fori＝1 To 3
Sum＝Sum+a(i,4-i)
Next i
MsgBox Sum
End Sub
运行程序，单击命令按钮，消息框输出结果是______。
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单项选择题

百菌清在植物表面有良好的粘着性，不易受雨水冲刷，因此具有（）的药效期。

A.较短

B.较长

C.较好

D.较低
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