In recent years an English word infosphere has appeared. the sense of information and atmosphere ．( )A．combineB．combinedC．combiningD．being combined 题目和参考答案——青夏教育精英家教网—

题目内容

17．In recent years an English word"infosphere"has appeared，__________the sense of"information"and"atmosphere"．（　　）

A．

combine

B．

combined

C．

combining

D．

being combined

分析句意：最近几年，出现了一个英语单词"infosphere"，此单词结合了"信息"与"气氛"两个词义．

解答题干中的横线上可以填上which combines，关系词which在从句中充当主语，不能省略．所以选项A、B错误．
D选项being done表示一个正在进行的被动动作，而动词combine与其逻辑主语infosphere构成主谓关系，故D错误．
由句意可知，后面一个句子是修饰前面的名词infosphere，因而需要一个定语从句，而现在分词的句子可以等同于一个定语从句，所以用现在分词doing，非谓语动词combining与其逻辑主语infosphere构成一个主谓关系，所以选C

点评此题考查现在分词的用法．非谓语动词有三种基本形式：现在分词（doing）、过去分词（done）、不定式（to do）．现在分词表示一个主动的或正在进行的动作或状态；过去分词表示一个被动的或完成的动作；不定式表示一个将要发生的动作．解题时一定要判断好动词与其逻辑主语的关系，动作所处的状态．

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