专业四八级-填空题常考结构 6(在线收听) |
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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