文档介绍：英语专业四级语法练****题
than
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，因而B。
_______ 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，因而C。
Western Nebraska generally receives less snow than _______ Eastern Nebraska. (1996)
A. in               B. it receives in                   C. does           D. it does in
完整形式应当是：than Eastern Nebraska receives snow，省去了某些谓语，保存了主语和助动词，可以倒装，因而C。
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
这个句子是一种由than引导比较状语从句，既然是从句那么可以排除BC；than引导从句中省略了主语应当是the indoor swimming pool，为避免重复，普通省略，不需要用it来指代。A。
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
省略了主语是anxiety，因而谓语动词用第三人称单数：A
The experiment requires more money than _______. ()
A. have been put in              B. being put in                 
C. has been put in           D. to be put in
than引导从句中省略了主语应当是money，因而谓语动词要用第三人称单数，C。
The less the surface of the ground yields to the weight of a fully-loaded truck，_______ to the truck. ()
A. the greater stress is               B. greater is the stress
C. the stress is greater            D. the greater the stress
“地表和载满货品卡车接触面越小，卡车对地面压强就越大。”A。
as
Some dieters find that after their dieting is over，they ate twice _______ they did before their diet. (1993)
A. more than           B. as many as                   C. much than           D. as much as
D,“饭量是此前两倍”