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问题 单项选择题

用鼠标左键单击一个窗口的最小化按钮之后，将使该窗口缩小成为位于( )上的一个按钮。

A．状态栏

B．任务栏

C．工具栏

D．菜单栏

答案

参考答案：B

选择题
David Beckham is a famous soccer player. His _________ is David.  
[ ]
A. first name    
B. last name    
C. full name    
D. family name		                                                                     
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选择题

All flights       because of the snowstorm,we decided to take the train. [ ]

A.were canceled

B.had been canceled

C.having canceled

D.having been canceled

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