Most disaster experts believe there is the potential ______ things could get a l
题型：不详难度：来源：
Most disaster experts believe there is the potential ______ things could get a lot worse.| A．what | B． where | C．which | D．that |
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答案
| D |
解析
试题分析：考查同位语从句：句意：大部分灾难专家相信有一种可能性情况会变得糟糕的多。the potential是同位词，that引导的是同位语从句，对the potential的内容进行说明，that不做成分，不能省略。选D。
点评：解答这类题目，关键在于分析清楚句子结构，知道引导词的使用习惯。通过判断引导词在从句中所作的成分，来选择正确的引导词。连接同位语从句的从属连词主要有that, if, whether，和疑问词（what how where when ...)。that引导表示陈述句的同位语从句，if和whether，whether...or not引导表示“是否”的一般疑问句的同位语从句。 |
举一反三
| ______ is well known to everyone, I should say, is that a man becomes learned by asking questions. |
| The old professor asked us ______ we read books in our spare time. |
In fact, a small car is big enough for a family of three, ______ you need more space for luggage.| A．once | B．because | C．as if | D．unless |
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A small car is big enough for a family of three ______ you need more space for baggage.| A．once | B．in case | C．if | D．unless |
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________ the tower building，where you can see the whole city| A．Standing on the top of | B．If you climb to | | C．When you reach the top of | D．Get to the top of |
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