| 专业四八级-填空题常考结构 6 |
| 文章来源： 文章作者： 发布时间：2006-06-27 字体： [大 | 中 | 小] |
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十、定语从句省略结构关系代词在定语从句中做宾语时可以省略
例1：Most crocodiles will eat anything----capture and overpower. (A) can (B) they can (C) which can (D) and 分析：空格前是个完整句子，空格后是两个并列的及物动词，后面却没有宾语，由此可推断出空格处缺能作从句宾语的从句引导词和从句主语。（A）、（D）没有从句引导词，可首先排除。（C）有从句引导词，也可作从句的宾语，却没有从句主语。正确答案（B）看似没有从句引导词，实际上是省略了引导词that,故选（B）。that they can capture, that引导定语从句在句子中做capture的宾语。
例2：A majority of people in the United States can get all the calcium their bodies----from the food they eat. (A) require (B) requires (C) requiring (D)to require 分析：此题显然缺从句谓语动词，故首先排除（C）和（D）。（B）为第三人称单数形式，与主语bodies相矛盾，故也可排除,因此选择A。 their bodies require from the food they eat是定语从句修饰calcium, 省略了that; 实际上they eat也是定语从句省略了that修饰the food
“介词+名词”在定语从句中做表语时，关系代词和be动词可以同时省略，剩下的形容词短语做名词的后置定语。例3：To produce one pound of honey , a colony of A bees must fly a distance equals to twice around B C D the world. 分析：句子中实际上是省略了that is, a distance that is equal to, 因此equals to 应该改为equal to
例4： A neutron star forms when a star much more massive A B C than the Sun dies and exploded. D 分析：句中省略了which is， a star which is much more
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