英语专四重点语法解析:than、比较
than1. Mary is _______ than Alice. (1992)
A. more experienced a teacher B. a more experienced teacher
C. more an experienced teacher D. more experienced teacher
（an experienced teacher, 比较级加在形容词前，因此B。）
2._______ the two, Bob is ________ student. (1995)
A. Of, more diligent B. In, more diligent
C. Of, the more diligent D. In, the more diligent
（the ＋ 比较级 ＋ of the two，因此C。）
3.Western Nebraska generally receives less snow than _______ Eastern Nebraska. (1996)
A. in B. it receives in C. does D. it does in
（完整形式应该是：than Eastern Nebraska receives snow，省去了部分谓语，保留了主语和助动词，可以倒装，因此C。）
4.The indoor swimming pool seems to be a great more luxurious than _______. (1998)
A. is necessary B. being necessary C. to be necessary D. it is necessary
（这个句子是一个由than引导的比较状语从句，既然是从句那么可以排除BC；than引导的从句中省略了的主语应该是the indoor swimming pool，为避免重复，一般省略，不需要用it来指代。A。）5.There ought to be less anxiety over the perceived risk of mountain climbing than ______ in the public mind today. (1999)
A. exists B. exist C. existing D. to exist
（省略了的主语是anxiety，因此谓语动词用第三人称单数：A）
6. The experiment requires more money than _______. (2002)
A. have been put in B. being put in
C. has been put in D. to be put in
（than引导的从句中省略了的主语应该是money，因此谓语动词要用第三人称单数，C。）
7.The less the su**ce of the ground yields to the weight of a fully-loaded truck, _______ to the truck. (2003)
A. the greater stress is B. greater is the stress
C. the stress is greater D. the greater the stress
（“地表和载满货物卡车的接触面越小，卡车对地面的压强就越大。”A。）
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