［答案］ C过去分词used + 介语短语组成的分词短语修饰前面的名词成分the only parts of the plant，作后置定语。此结构亦扩展为定语从句(that are ) used for livestock feed

　　(2) The slide rule used sliding scales with marks ------- numbers and their logarithms。

　　(A) representing

　　(B) represented

　　(C) are represented

　　(D) they are representing (92.10)

　　［答案］ A 分词短语作名词marks的后置定语，作用相当于一个定语从句：which represent numbers and their logarithms。

　　(3) Earlg philosophers believe that the mind was divided into three faculties ------- s feeling ，intellect and will

　　(A) to know

　　(B) known

　　(C) knowing

　　(D) knew them (94.1)

　　［答案］ B分词短语known as…说明前面的名词three faculties。此结构可改写成定语从句。Which are known as…

　　(4) The bison know for the hump over its shoulders is usually called a buffalo in North America. (91.1)

　　［答案］ A 此句主语是The bison ，谓语是系词is ，划线A部分应当为分词短语，修饰名词The bison .A应改为known for。

　　(5) Louisa May Alcott is chiefly remembered for Little Women. One of the most popular girls books ever wrote (88.5)

　　［答案］ D 修饰名词books应用分词生语ever written。

　　3. 分词短语作状语

　　解题要点在句了意义非常清楚明确时，状语从句通常可以简略为分词短语，但有一个先决条件。此分词短语的逻辑主语应与句子的主语为同一人或物，此类分词短语通常置于句首。

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