题目内容
9.An accident happened on the main road.That is ______ traffic seemed to slow suddenly.( )| A. | why | B. | how | C. | when | D. | what |
分析 在主干道上发生了一起车祸.那就是为什么交通突然似乎慢下来的原因.
解答 答案是A.本题考查表语从句中的引导词;题干中is后面的表语从句;that's why那就是…原因;that'when 那就是…时间; that's how 那就是如何…;what在名词性从句中可做主语、宾语、表语或定语,表示"所、什么",本题的从句中不缺主语、宾语、表语或定语,所以排除what;根据句意,发生事故交通变慢的原因,故答案是A.
点评 名词性从句考查的关键是连接词的选用和语序,因此,我们首先要搞清从句的性质,掌握各连接词的用法,在此基础上判断.此外,关注名词性从句用陈述语序.
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