2011年8月托福考试语法冲刺试题及答案(6)

2011年8月托福考试语法冲刺试题及答案(6)

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6. _________ directly with most metals to form compounds called carbides. #

A. Carbon reacting

B. Carbon reacts

C. The reaction of carbon

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D. When carbon reacts

答案：B

分析：从句意来看，called在这里不是谓语动词，而是分词做后置定语：…… which are called carbides.空格中缺主语和谓语，选B.

参考译文：碳直接跟大部分金属反应而形成碳化物的化合物。 #

7. Meteorites are slowed down by Earth's atmosphere， but if they are moving _________， they can form a crater on impact. #

A. enough fast

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B. fast enough

C. so fast enough #

D enough are fast

答案：B

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分析：enough的用法，固定顺序：adj.+enough #

参考译文：陨石受地球大气阻挡而慢下来，但如果他们移动的足够快，他们能在撞击后形成一个大坑。

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8. Located at the upper end of each________ an adrenal gland， an integral part of the endocrine system.

A. kidney which is #

B. kidney is

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C. kidney being #

D. kidney

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答案：B

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分析：该句为简单句，而且使用了倒装形式，原句为：An adrenal gland， an integral part of the endocrine system is located at the upper end of each kidney. #

参考译文：肾上腺是内分泌系统的一个完整的部分，它位于肾的上端。

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9. About 75 percent of all cadmium is used for cadmium plating of _________ such as iron and steel.

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A. easily corroded metals

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B. metals are easily corroded #

C. corroded metals that easily #

D. how easily metals corroded #

答案：A

分析：B中的are多余，否则句中出现两个谓语，错;C中的that引导定语从句，而从句缺谓语，错;用法错误，of后一般接名词。

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参考译文：75%的所有镉金属都用来对类似铁、钢的容易腐蚀的金属进行镉镀膜了。 #

10. An atom is a basic structural unit of matter， the smallest particle of an element _________ into chemical combination. #

A. that can enter

B. can it enter

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C. when entering it can #

D. that enters can

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答案：A #

分析：that引导定语从句，element为先行词。the smallest particle of an element 是 a basic structural unit of matter的宾语同位语。 #

参考译文：原子是物体的基本结构单元，是元素形成化学组合特性的最小的颗粒。