实例精讲层层剖析之GRE长难句全攻破（五）

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阅读的最大障碍恐怕就是长难句了。给大家列出几个超级复杂的长难句，请大家注意解析句子结构的关键点。希望能对大家的GRE复习有所帮助。

句子1：

Instead of trying to keep down the body temperature deep inside the body, which would involve the expenditure of water and energy, desert mammals allow their temperatures to rise to what would normally be fever height, and temperatures as high as 46 degrees Celsius have been measured in Grant's gazelles．

主干: desert mammals   allow   their temperatures to rise

翻译: 沙漠哺乳动物并不试图将体温控制得很低, 因为这么做将会涉及水和能量的消耗, 而是允许体温上升到平常是高烧的温度——有人在格兰特羚羊身上曾测到高达46摄氏度的体温。

1.如果沙漠哺乳动物不将体温保持得较高的话: ：

A水和能量的消耗会增加

B水和能量的消耗会减少

C水和能量的消耗不会变化

答案：A

句子2：

That sex ratio will be favored which maximizes the number of descendants an individual will have and hence the number of gene copies transmitted.

主干: That sex ratio   will be favored

翻译: 那种能最大化一个个体会拥有的后代数量和基因传播数量的性别比例会被喜欢。

1.maximize的逻辑主语是: ：

A that sex ratio

B Descendants

C An individual

答案：A

2.an individual will have and hence the number of gene copies transmitted.修饰的是: ：

A that sex ratio

B Descendants

答案：C

3.maximize的宾语是: ：

A the number of descendants

B The number of gene copies transmitted

C A and B

答案：A

句子3：

Only when a system possesses natural or artificial boundaries that associate the water within it with the hydrologic cycle may the entire system properly be termed hydrogeologic.

主干: the entire system    be termed   hydrogeologic.

翻译: 只有当一个系统拥有自然的或人工形成的边界来把边界中的水与水文循环联系起来的时候, 才有可能把整个的系统恰当的成为与水文地质学有关。

1.这句话的主语是: ：

Aa system

Bhydrologic

Cthe entire system

答案：C

2.it指代的是: ：

A Water

B Boundaries

C System

答案：B