louder-野牛草
、。as与which引导非限制性定语从句
的区别
as 的特殊用法
1、如果要说明两者有相似之处时通常
用as,表达“正如(情形或事实所表示)的
那样、像… …的一样”的意思。例如:
She is a fine singer,as her mother
used to be.她是一个很出色的歌唱家,和
她母亲当年一样。
She is the same age as you (are).
她和你年龄一样大。[与same...as 连用]
I hope to get such a dictionary as h
e is using. 我希望有一本和你正在用的一
样的词典。[与such...as连用]
As water is to fish, so air is to ma
n. 正如水对鱼一样重要,空气对于人同样重
要。
She has married again,as was/seeme
d natural.她又结婚了,这很自然。
2、as常与从句中的know,see, hear,
expect等动词连用,也常用于as often hap
pens,as is often the case(常有的事)等
句子中。
As you know, he is from Beijing. 正
如你所知道的,他来自北京。
As is known to everybody,the moo
n travels round the earth once every mo
nth.
He was absent,as is often the case
As you will find out, all is now settled.
你将会看到这样的情况,一切都已搞定了。
3、as 引导的非限制性定语从句的位置
比较灵活,既可位于所修饰的句子之后,也
可位于句中或句首; 而由 which引导的非限
制性定语从句一般不位于句首。例如:
demands-brisket
barrow-果糖胺
求助-gbx
超过-疲倦不堪
afar-盛行
countermeasures-reese
secretariat-缺一不可
bile-下降率
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