托福语法考试之并列连词题型解析: and but or混淆
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3 x2 r0 T/ ^6 f4 W' T! U 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)
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[答案] D 根据句意,这里并无转折关系。因此but 应改为or。 www.ExamW.CoM7 ~. J- ~$ v, G6 A( U
. o1 E% Q2 F1 u6 |% H (2) Porcelain is not a single clay, and a compound of kaolin. Ball clay, feldspar. And silica. (91.1) ( l! `, w* Z: A. p4 J/ n2 p2 J( p
! _; p k9 F4 N# j, b6 P+ \8 u& `3 v, d [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。 ! @5 A' K E% D8 C0 U, [ S
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3. The structure or behavior of many protozoans are amazingly comples for single-celled artimals. \: m0 l5 U8 \8 H! |
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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. . }6 {& s0 W# q0 K
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[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。 |