-A computer is very popular and helpful．-I think so．It in many different fields．( )A．usedB．will useC．is usedD．was used 题目和参考答案——青夏教育精英家教网—

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13．-A computer is very popular and helpful．
-I think so．It _______ in many different fields．（　　）

A．

used

B．

will use

C．

is used

D．

was used

分析 --电脑很普及并且很有用．
--我也这样认为，电脑被应用于很多领域．

解答答案：C．
首先根据语境推测下句的句意是""我也这样认为，电脑被应用于很多领域．，句子表述的是一般性的事实，所以用一般现在时，主语it 是动作use 的承受者，所以用被动语态，一般现在时被动语态的构成是：主语+am/is/are+动词的过去分词，故选C．

点评本题考查时态和语态．每个时态都有标志词，熟记这些标志词是做题的关键．在没有时间状语的情况下可以根据语境来对时态做出判断．判断语态的关键则是观察主语是谓语动词的执行者还是承受者．

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