as/which 引导定语从句异同1、as/which 引导定语从句异同as/ which 都能引导限制性或非限制性的定语从句。(1)在引导限制性定语从句时;①which 从句修饰的先行词是名词(词组),which 可与 that 换用,作宾语时可省去。如:Then grow some tomatoes in one box which has plant food in the soil and some in another box which doesn’t.But the studios(which)he started are still busy today, producing more and more interesting films.②as 从句的先行词是 the same/such 或被 the same/such 修饰;as 可作主、宾、表语,一律不可省略。如:Many of the sports were the same as they are now.(as 作表语)He uses the same map as I (use).他和我用的是同一份地图。(as 作宾语)Such as beautiful park as is being built was designed by two young engineers.正在建造的如此漂亮的公园是由两个年轻的工程师设计的。(as 作主语)The printed newspaper was not such as the chief editor had expected. 印好的报纸并非如主编原来所期望的那样。(as 作宾语)(2)在引导非限制性定语从句时,as,which 都可作主、宾、表语,都不可省去。①which 从句补充说明先行词的用途、性质、状态、特征等。如:At present,the biggest nature park for milu deer in China is in the Nanhaizi Milu Park,which is about 20 kilometres south of Beijing.(位置)China Daily has plenty of advertisements, which help to cut the costs of making the newspaper.(用途)One of Charile Chaplin’s most famous fil ms was“The Gold Rush”,which was made in 1925.(时间)Now, however,the maters of this great lake,which is also the World’s deepest(over 1,740 metres), have been dirtied by waste from a chemical factory.(特征)②which 从句还可表示说话人的看法,也可对主句作意义上的补充;which=and it/ this/ that/ they;which 代表的是先行词、主句或主句的一部分;which 从句只能放在先行词或主句后。如:He said she could speak 4 foreign languages, which(=and it)is not true.他说她会四门外语,这是不可能的。(说话人看法,w...