513] ______ in prison for ten years, no one recognized him.

[译文] 由于这个人在监狱蹲了十年，所以没有人认识他。

　 A. The man’s having put 　 B. The man being put

　 C. The man having been　　 D. Having been

[答案及简析] C。 独立主格结构。

512] This is ______ that dog.

[译文] 这条狗和那条狗一样大。

　 A. as a big dog as 　 B. as big a dog as

　 C. a as big dog as 　 D. a big as dog as

[答案及简析] B。 as后面的形容词可以跟一个名词。

511] ______ is know to us all, China has its own English language newspaper.

[译文] 众所周知，中国有自己的英文报。

　 A. it 　 B. which

　 C. that 　 D. as

[答案及简析] D。 只有as引导的定于从句可以位于句首。

510] To all of you _____ the honour of the success.

[译文] 成功的荣誉属于你们大家。

　 A. belongs to 　 B. belong to

　 C. belongs 　 D. belong

[答案及简析] C。 belong to属于，此句是倒装。

509] I hope there are enough glasses for each guest to have ______.

[译文] 我希望有足够的杯子，可供每位客人一个。

　 A. it 　 B. those

　 C. then 　 D. one

[答案及简析] D。 用one表示泛指，代替前面提到的可数名词。

508] This material ______ very soft.

[译文] 这种材料摸起来很柔软。

　 A. is felt 　 B. feels

　 C. has felt 　 D. feeling

[答案及简析] B。 feel连系动词，摸起来，后面跟形容词作表语。

507] Nobody enjoys ______.

[译文] 没有人喜欢被瞧不起。

　 A. being looked down upon 　 B. looking down upon

　 C. being looked down　　 D. to look down

[答案及简析] A。 enjoy后面要跟动名词做宾语；look down upon　瞧不起。

506] ______ metals are good conductors, silver ______ the best conductor of all.

[译文] 几乎所有的金属都是导体，银在其中是最好的。

　 A. Almost, being 　 B. Almost all, being

　 C. Almost, is 　 D. Almost all, to be

[答案及简析] B。 独立主格结构。

505] Instead, he seemed to see Tom ’s face, with the wide smile he ______ whenever he told a joke.

[译文] 相反，她似乎看到了Tom的脸，一张带着他任何时候讲笑话时微笑的脸。

　 A. wore 　 B. brought

　 C. appeared 　 D. carried

[答案及简析] A。 带着微笑，英语中wear a smile一般用表示。

504] ----- I can ’t see the words on the blackboard clearly. ----- Why, your eyes need _____ perhaps you need _______ glasses.

[译文] --黑板上的字我看不清楚。　--啊，你的眼睛需要检查，或许你需要戴副眼镜。

　 A. to examined, to wear　　 B. to examine ,to wear　

　 C. to be examined, to wear 　 D. examining, wearing

[答案及简析] C。 need作为实意动词，表示需要时，一般用动名词的主动形式或者不定式的被动形式表示被动意义。