410] ______ a good insulator(绝缘体) , rubber is often used in cables.

[译文] 作为良导体，橡胶常用作电缆。

　 A. Having been 　 B. To be

　 C. Be 　 D. Being

[答案及简析] D。 现在分词短语表原因。

409] I’d rather he ______ tomorrow afternoon.

[译文] 我宁愿你明天来。

　 A. will come 　 B. comers

　 C. coming 　 D. came

[答案及简析] D。 would rather后面的从句用一般过去时态表示虚拟语气。

408] Do you mind ______ alone at home?

[译文] 把Jane单独留在家里你介意么？

　 A. Jane leaving 　 B. Jane having left

　 C. Jane’s being left 　 D. Jane to be left

[答案及简析] C。 动名词的复合结构作宾语。mind后面要跟动名词。

407] ______ unless I call you.

[译文] 我没有叫你就不要进来。

　 A. Please come 　 B. Not come in

　 C. Don’t come in 　 D. Come in

[答案及简析] C。 考查祈使句。

406] _______ about the universe up till now.

[译文] 到现在我们对宇宙了解甚微。

　 A. So little had me known 　 B. Only a little do we know

　 C. Very little have we known 　 D. Little shall we know

[答案及简析] C。 否定词在句首句子要部分倒装。

405] So badly ______ in the accident that he was sent to a hospital.

[译文] 在事故中他伤得很厉害，被送进医院了。

　 A. did he hurt 　 B. he was hurt

　 C. was he hurt　　 D. be did hurt

[答案及简析] C。 so…that…引导的结构在句首主句要部分倒装。

404] Not until Mr. Smith came to China ______what kind of a country she is from.

[译文] 直到他来到中国，斯密斯先才知道她来自一个什么样的国家。

　 A. Didn’t he know 　 B. Had he known

　 C. Hadn’t he known 　 D. Did he know

[答案及简析] D。 not until 在句首主句要部分倒装。

403] It may rain, but I shall go out _____.

[译文] 也许要下雨了，然而我无论无何要出去。

　 A. somehow 　 B. anyhow

　 C. somewhat 　 D. anywhere

[答案及简析] B。 副词"无论无何"。

402] She is _____ out on Sundays.

[译文] 星期天她大部分时间在外面。

　 A. almost 　 B. mostly

　 C. most 　 D. the most

[答案及简析] B。 mostly一般用在表语中，大部分的意思。

401] In fact she was _____ of softball, tennis and track.

[译文] 事实上，她更喜欢垒球，网球和田径。

　 A. much more fond 　 B. much fond

　 C. very fonder 　 D. too more fond

[答案及简析] A。 be fond of的比较级。