题目内容

煤气报警器中使用的半导体器件是利用了半导体的()。

A. 光敏特性
B. 气敏特性
C. 热敏特性
D. 以上都不对

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Most people tend to believe that " the newer, the better, " _____ ( 尽管并不总是这样 ).

_____ ( 据说 ) the painter used his aunt as the model in that painting.

It is ________(重要的不是谁来统治我们), but how he rules us.

When I ________________(发现他骗我) I stopped buying things there and started dealing with another shop.

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