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问题 选择题

The reason______ he was late for class is______ he didn’t catch the first bus.

A．why; because

B．why; that

C．that; because

D．which; that

答案

 B

名词解释

幼态延续
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单项选择题

编写如下两个事件过程：
Private Sub Form_KeyDown(KeyCode AS Integer，Shift As Integer)
Print Chr(KeyCode)
End Sub
Private Sub Form_KeyPress(KeyAscii As Integer)
Print Chr(KeyAscii)
End Sub
在一般情况下(即不按住Shift键和锁定大写键时)运行程序，如果按"A"键，则程序输出的结果是

A．A A

B．a A

C．A a

D．a a
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