托福语法考试之并列连词题型解析: and but or混淆 3 g7 ~, @9 \# v6 K) A
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解题要点 这类题型主要分面布在written Expression (16-40题中) 当A、B、C、D四项选择中出现单独的and或but 或or 时,它通常就是此题的焦点,应根据句意判断此连词是否用错。
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全真例题要分析
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(1) Harvesting of grains is affected by annual changes in temperature or in the amount of moisture, but both. (90.1) 2 Z: T: q/ }6 Q. T( R4 J$ L" P3 h) A
$ d' D" U+ |' E9 ?1 m3 E [答案] D 根据句意,这里并无转折关系。因此but 应改为or。 www.ExamW.CoM
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# _, X( s# p$ J A" g7 s$ |, g9 P, a3 | (2) Porcelain is not a single clay, and a compound of kaolin. Ball clay, feldspar. And silica. (91.1)
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& f. j5 F/ ~$ r5 m9 W [答案] C 此句表达的是一个取舍关系,and应改为but. “not…but”是表达转折,到舍含义的固定并列连词搭配。 6 u4 ~+ o1 |3 z8 j. x# o
i' L3 ], |. I _. x% E% X. k' o 3. The structure or behavior of many protozoans are amazingly comples for single-celled artimals.
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[答案] A 根据句中复数谓语动词are 来判断,连词or是错误,它表述的概含是两项之一,应用单数第三人称动词。固而or应改为and。
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(4) Cayenne popper comes from the seedpot of the pepper plant which is dried or then ground. ; U4 i9 n2 \; q# E s. H8 K/ D
4 O: Z& w/ ?+ v8 F! m [答案] D 根据提示词then,我们可以判断dried 和ground (grind 的过去分词,碾碎)是顺序先后的两个动作,并非取舍选择关系。固此or应改为and。 |