2158] The committee _____ among themselves for two hours.

[译文] 委员们辩论了两个小时。

　 A. has been arguing 　 B. has been argued

　 C. have been arguing 　 D. have been argued

[答案及简析] C。 committee 是集体名词，谓语动词要用复数。

2157] Attention, please, every one! Please keep _____ for a moment while I take your photograph.

[译文] 请大家注意，我在拍照片的时候，不要动。

　 A. still 　 B. silent

　 C. calm 　 D. quiet

[答案及简析] A。 形容词辨析；still 支没有动静；slent 指没有声音；calm 指内心的镇静；quiet表示环境的安静。

2156] -----Did you remember to give Mary the money you owed her? -----Yes, I gave it to her _____ I saw her.

[译文] --你记住没有，把欠玛丽的钱还给她。　--记住了，我一见到她就还给她了。

　 A. while 　 B. the moment

　 C. suddenly 　 D. once

[答案及简析] B。 名词moment等可以引导一个时间状语从句；一…就…。

2155] He left an hour early ____ missing his train.

[译文] 他提前一个小时出发，担心赶掉火车。

　 A. because of 　 B. thanks to

　 C. for fear of 　 D. so as to

[答案及简析] C。 because of, thanks to 表示原因；so as to 表示结果，后跟不定式；for fear of表示担心，害怕。

2154] The steel works ______ in 1959.

[译文] 这家钢铁厂于1959年建成的。

　 A. has been built 　 B. was found

　 C. was built 　 D. were set up

[答案及简析] C。 the steel works 钢铁厂，是单数。

2153] The police _____ the lost boy in the forest.

[译文] 警察在森林里寻找那个丢失了的男孩。

　 A. were searching 　 B. was finding

　 C. were searching for 　 D. was looking for

[答案及简析] C。 the police 是集合名词，谓语动词要用复数。

2152] This kind of work is _____ her.

[译文] 这件工作是她不熟悉的。

　 A. unfamiliar to 　 B. unfamiliar with

　 C. unfamiliar by 　 D. unfamiliar on

[答案及简析] A。 be unfamiliar to 为固定搭配，意为“为…所不熟悉”。

2151] They were welcomed _____ than they had expected.

[译文] 他们受到热烈欢迎,比他们原来期望的还要热烈。

　 A. more warm 　 B. more warmly

　 C. the most warmly 　 D. more friendly

[答案及简析] B。 考查副词的比较级。

2150] The dog like rubbing its back _____ the wall.

[译文] 这条狗喜欢在墙上擦它的背。

　 A. against 　 B. across

　 C. by 　 D. on

[答案及简析] A。 against 才有在墙上"擦"的意思。再如：The student stood against the wall.

2149] No matter how patiently I persuaded her, she wouldn’t admit _____ it.

[译文] 无论我怎样耐心说服她，她都不会承认干过这事。

　 A. to do 　 B. do

　 C. done 　 D. doing

[答案及简析] D。 admit 后面接动名词作宾语， 它一般用于承认错误。