题目内容
10._____ is known to all is that watching TV properly may make our mind broad and our life rich.( )A. | It | B. | As | C. | What | D. | That |
分析 众所周知的是,恰当的看电视可能会使我们的大脑开阔,生活丰富.
解答 答案:C.
分析本句的结构可知,第二个is后的that引导的是一个表语从句,前面的_____ is known to all则为一主语从句,且该从句中缺少主语,A和B不可引导主语从句,可排除;that引导主语从句时不作任何成分,也可排除,what引导主语从句时可作主语、宾语等;故选C.
点评 本题考查名词性从句,要会分析句子的成分,并且掌握what的用法.
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