4G technology are becoming more and more popular.and it all over the world nowadays．( )A．are usingB．are usedC．is usedD．have used 题目和参考答案——青夏教育精英家教网—

题目内容

7．4G technology are becoming more and more popular，and it ________ all over the world nowadays．（　　）

A．

are using

B．

are used

C．

is used

D．

have used

分析 4G技术正变得越来越流行，现在被用于世界各地．

解答答案：C
根据后句的主语为it，代指前句出现的4G technology （4G技术），结合选项，可知it为谓语动词use的动作承受者，指4G技术被使用，所以应该用被动语态；由于此句是指一种客观事实，所以时态为一般现在时，故用一般现在时的被动语态，构成为：am/is/are+过去分词；主语为单数it，故用is，use的过去分词为used．故选C

点评此题考查一般现在时的被动语态．做题时要联系句子主语和谓语的关系确定出语态，再与时态相结合，从而套用相关构成即可选出正确答案．

练习册系列答案

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