2011年12月大学英语四级语法精讲（7）

 　 1. which 指物，who 指人，人物混用/前面有不定代词/序数词/最高级时用that。

　　2. which 用在非限制定语从句（有逗号），如：

　　He always changed his mind, which makes me angry.

　　3. as 也可以引导非限制定语从句。
　　as与which 的区别：

　　1) which只能用在句子中间和后边，而as可用在句首和句尾。

　　As makes me angry, he always changed his mind.

　　2) as 搭配：same as/ such as the same watch as you have

　　[P1-43]It wasn't such a good dinner _______ she had promised us.

　　A) that B) which C) as D) what

　　[P11-67]___ is known to the world, Mark Twain is a great American writer.

　　A) That B) Which C) As D) It

　　[P42-58]The British are not so familiar with different cultures and other ways of doing things, _______ is often the case in other countries.

　　A) as B) what C) so D) that

　　[P63-17]We had to sleep in our wet clothes, _____ was most uncomfortable.

　　A) in which B) which C) where D) that

　　[P3-60]The goals _______ he had fought all his life no longer seemed important to him.

　　A) after which B) for which C) with which D) at which

　　注：1. fight for 为……而奋斗 2. fight with 与谁打架

　　[P3-56]The engine _______ smoke and steam.

　　A) gives up B) gives in C) gives away D) gives off

　　注：1. gives up 放弃 2. gives in 屈服

　　3. gives away 走漏风声，赠送 4. gives off 释放

　　[P3-57] The manager promised to keep me ________ of how our business was going on.

　　A) to be informed B) on informing C) informed D) informing

　　[P42-62]We need a chairman _________.

　　A) for whom everyone has confidence B) in whom everyone has confidence

　　C) who everyone has confidence of D) whom everyone has confidence on

　　注：have confidence in 对……有信心

　　[P60-46] Living in the western part of the country has its problems, _______ obtaining fresh water is not the least.

　　A) with which B) for which C) of which D) which

　　注： 1. of which 其中

　　2. On the one hand, On the other hand, Last but not least（最重要的）

　　3. face something = be faced with

　　4. 依照原句型造句：

　　Learning English has its problems, of which reciting words is not the least.

　　Students will face a lot of problems, of which improving yourself is not the least

　　[P64-24]This is a subject about _____ we might argue for a long while.

　　A) that B) it C) which D) what

　　注：作为介词宾语用which不能用that，但in that 除外

　　介词 + which + to do 其功能相当于定语从句。

　　The key with which to open the door has been lost.

　　[P59-36] The professor could hardly find sufficient grounds _______ his arguments in favour of the new theory.A) to be based on B) to base on C) which to base on D) on which to base

　　注： fici- 做 sufficient 足够的 deficient 缺乏的 efficient 有效的（效率）

　　effect 有效（结果） proficient 熟练的 bene- 好 beneficial 有益benediction 祝福

　　[P12-50]You will want two trees about ten feet apart, from _________ to suspend your tent.

　　A) there B) them C) where D) which

　　[P13-59] When a fire ________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.

　　A) broke off B) broke down C) broke out D) broke up

　　注：1. break off 断裂（部分从整体上下来） 2. break up 打碎 3. break out 爆发