关于托福考试语法解题技巧之独立成分介绍
那么,都有哪些成分时"独立成分"呢?主要有以下几种:
1.副词和不是用作前置定语的分词;
2.不定式,介词,分词,同位语等短语;
3.所有的从句.
这种方式究竟有多大的作用呢?下面我们来看几个例句:
(7) Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic properties of pottery and fireplaces at sites ------ by early humans.
A. occupied
B. occupying
C. which
D. were occupied
如果按照上面提到的标准去衡量,这个句子的`题干就应该时这样的:
(Geophysicists have collaborated主句)(with archaeologists and anthropologists介词短语)(to study the magnetic properties不定式短语)(of pottery and fireplaces介词短语)(at sites介词短语)------(by early humans.介词短语)
将这些"独立成分"都去掉后就只剩下"Geophysicists have collaborated".由于题干的主句及其它部分都不缺少成分,作为答案的选项也必须是一个"独立成分".在不考虑词义的情况下,A,B,C3个选项似乎都可以.但是,如果B项可以的话,C也一定可以.反面证明两个选项都不行,答案自然是A了.
(8) During the late fifteenth century, ------ of the native societies fo America had professions in the fields of arts and crafts.
A. only a few
B. a few but
C. few, but only
D. a few only
还是按照前面提到的标准去衡量,这个句子的题干部分就会变成下面这样:
(During the late fifteenth century介词短语),-----(of the native societies fo America介词短语)had professions (in the fields介词短语)(of arts and crafts介词短语).
把独立成分去掉后就只剩下"------ had professions".一眼即可看出,句子缺少主语.答案自然就是A了.
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