摘要: as单独引导定语从句 as单独引导定语从句时.先行词可以是一个词.也可以是一个句子或短语.例如: (1) She is late, as is often the case. 她迟到了.这是经常的事. (2) To shut your eyes to facts, as many of you do, is foolish. 对事实视而不见--你们好多人都是如此的愚蠢. 注意1:(1). 当as引导的定语从句位于具有否定意义的主句之前时.as从句所修饰的范围是整个主句的内容.也就是说.把否定意义也包括在内.例如: As has been said above, grammar is not a set of dead rules. 正如前面所说.语法不是一套死条文. (2). 当as引导的定语从句位于具有否定意义的主句之后时.as从句所修饰的范围不包括否定意义.例如: Spiders are not insects, as many people think. = Spiders are not insects. But many people think they are. 许多人认为蜘蛛是昆虫.但蜘蛛并不是昆虫. (3). 当as引导的定语从句位于具有否定意义的主句中间时.as从句所修饰的范围也不包括否定意义.例如: She did not, as her friend had feared, open the case. 她没有打开盒子.而她的朋友就是怕她当面打开盒子. 注意2: 当修饰句子的非限制性定语从句位于句尾时.as可以用which来替代.例如: I live a long way from work, as you know. 我住得离工作单位很远.这你是知道的. 但是.当as从句位于句首或句中是.as就不能用which来替代了.例如: As you will find out, I will never let you down. 你将会发现.我绝不会使你失望的. Taiwan is, as you know, an inseparable part of China. 你们知道.台湾是中国不可分割的一部分. 此外.如果主句为否定句.则位于句末和句中的as从句所修饰的范围并不包括主句的否定意义.此时.as也不能用while来替代.例如: Greenland was not a continent, as people thought. 格陵兰并不像人们所想象的那样是一个大陆.

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假如你叫李明,你的英国笔友Mike在上次来信中谈到了低碳生活这个话题。最近几个月学校倡导学生过低碳生活、过节约生活、做有责任感的公民,引导学生从出行、购物、用水、家电和餐具使用方面反省自己的生活方式。请你用英文给Mike回信。

要求:

1.你对低碳生活的理解

2.你校开展的活动

3.你最近生活方式的改变(至少选取三个方面)

注意:

1.词数为100左右;

2.参考词汇  低碳生活   low – carbon life (style)

3.信的开头和结尾已为你写好(不计入你所写词数)

 

 

Dear Mike,

How are things going? In your last letter you talked about low carbon life. Now I’d like to share my understanding of it and my experience in the past few months.

                                                                                

                                                                                

                                                                                 

                                                                                

I’m really glad to communicate with you about this topic.

Yours

Li Ming

 

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