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问题 选择题
Would you please keep silent? The weather report__________, and I want to listen.
A. is broadcast
B. is being broadcast
C. has been broadcast
D. had been broadcast
答案

答案：B

这题考查的动词的时态语态，根据句意：能请您保持安静吗？天气预报正在播放，我想听呢。选B。

选择题

______some ads can be very useful.        [ ]

A.  Its true          

B.  That's true    

C.  It's true that    

D.  This is true
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单项选择题

如何清除ADC208出现更换定影组件提示（）

A.更换定影保险丝

B.更换定影组件

C.系统清除

D.定影计数器清除
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