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2012年托福考试改错题及例题分析(二)

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 介词

  介词是考试中出现的比较多的一个部分,而其中考的最多的就是介词的固定搭配问题。由于篇幅问题,我们在这里仅仅举出几个例题,在说明书手册中我们完整的列出了所有的介词搭配,这些列出的搭配在以前的语法题中出现过,只不过有的时候是正确的选项,有的时候重复考。

  介词搭配 例:The teeth in the upper jaw function together those

  A B C

  in the lower jaw to cut, tear, and grind food. D

  分析:和…一起,应该为together with,C错

  例:The Allegheny Mountain range is rich of coal.

  A B CD

  分析:B错改为be rich in

  例:The rotation of the Earth on its axis is responsible to the

  A BC

  alternation of periods of light and darkness.

  D

  分析:C错,应改为responsible for。形容词responsible后接名词作宾语时要加介词for。

  最重要的两个介词 1、介词of 多余或者遗漏 例:Mosquitoes usually lay eggs, singly or in batches, on top stagnant water.

  ABC D

  分析:D错,应改为top of stagnant。on top of …是因定表达法,意为“在…上面”。

  例:Christopher Plummer is a Canadian actor who has

  AB

  starred in stage, television, and film productions on

  C

  both sides the Atlantic Ocean.

  D

  分析:D错,应改为sides of the。 sides为名词,the Atlantic Ocean也是名词,中间明显少了一个介词。

  2、介词by

  一种情况表示被动,be+过去分词+by,另一种表示通过……的方式, by doing

  例:The ceremony of marriage in the United States

  A B

  can be performed from a justice of the peace.

  C D

  分析:D错,应改为performed by。谓语动词是被动式,performed的动作执行者应该由介词by来引导。

  例:Along the east coast ,American Indian women‘s councils

  A

  could veto a declaration of war at refusing to

  B  C D

  supply moccasins and field rations.

  分析:D错,应改为by refusing。通过拒绝提供鞋子和粮食,表示通过某种方式做某事要用介词by,故将at refusing 改为by refusing。

  例:Algebra is the branch of mathematics concerned with

  A

  operations on sets of numbers or other elements

  BC

  that are often represented at symbols.

  D

  分析:D错,应改为by。动作的发出者应该用介词by来引导

 

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