1. 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。）