发生电气火灾时应先()。
A、逃跑
B、用水灭火
C、切断电源
D、报警
参考答案:C
--It’s reported that scientists have ________ an effective way to deal with H1N1.
--Really? That’s great!
A.caught up with
B.come up with
C.agreed with
D.compared with
把窗体的KeyPreview属性设置为True,然后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 程序运行后,如果直接按键盘上的“A”键(即不按住Shift键),则在窗体上输出的字符分别是______和______。