2012大学英语四级词汇练习模拟题30

会计考友

1. Great as Newton was， many of his ideas _C_ today and are being modified by the work of scientists of our time.　　A are to challenge B may be challenged C have been challenged D are challenging
　　as表示“尽管”时引导从句，从句中的表语可以放在引导词之前构成部分倒装。
2. Please be careful when you are drinking coffee in case you _D_ the new carpet.
　　A crash B pollute C spot D stain
! u- @" |3 x% v- K7 E1 s　　pollute vt. 污染; spot n. 地点，场所，斑点，污点;v. 使…上有斑点、污点。
7 Y5 z+ f( ~% f* G　　spotted dog 斑点狗。 stain v. 弄脏，玷污，染色。
3. As _B_ announced in today’s papers， the Shanghai Export Commodities Fair is also open on Sundays.　　A being B is C to be D been
+ c3 Y$ Z" d9 }3 W　　注意两个非限定性定语从句的引导词：as， which。
　　which在做非限定性定语从句引导词时有两个特点：
　　1 which前要有逗号与前面句子分开; 2 which引导非限定性定语从句指的是前面整句话的内容。
　　只要引导非限定性定语从句as和which都指一句话内容，区别在于which只能放在它所指那句话的后面，而as可以在前面也可以在后面。
$ n8 r& ]# f: d% u; n4. You see the lightning _A_ it happens， but you hear the thunder later.
4 G9 T- i1 {/ p# M$ S　　A the instant B for an instant C on the instant D in an instant
　　the instant=as soon as 一…就…转自:考试网 - [Examw.Com]
5. The manager lost his _B_ just because his secretary was ten minutes late.
" M5 k9 ^! t- t, n　　A mood B temper C mind D passion
　　lose one’s temper 发脾气。