1、.C6052 材料表示舉例關(guān)系的：例子：工作需要穿制服的好處1）To beginwith, thereare certainspecialoccupationswhere people must wear uniforms.For instance,thepolice are always required to dress themselves in uniforms as a form of identity and authority.2）It is often mandatory for workers in the public servicesectorto wearthe sam

2、eclothes,especiallytakenursesforexample,nurses whose white garmentsgivethemanimageofcleanlinessandprofessionalism.3）Anothergoodcasein pointis factoryemployeeswhoworkonassemblylines-theiruniforms,sometimesincludinga helmetandotherprotectivepieces, are designed for safety reasons.1) 表示遞進(jìn)關(guān)系的：例子：1) The

3、museum conserve many kinds of rare cultural relics.Furthermore, they provide a perfect place for historiansto conduct research.2) One of the main reasons why immigrants should acceptthe new cultureis that this is the quickestand easiestway for themto settledownin a foreigncountry.Forinstance,looking

4、for accommodationmightbe a verycomplicatedmatterif theyarenotfamiliarwithlocallifestyles.Moreover,thosewhohaveno ideaof thecorporatecultureof the new countrywouldencounterenormous difficulties in finding a decent job.2) 表示因果關(guān)系的：例子：1）： The ecological problems are being aggravated;therefore, it is imp

5、erative（勢(shì)在必行，必要的）that.we take measures to combat the pollution of the environment.2）： People pay attention to media constantly.As aresult , sports professionals in my country have become stars and celebrities.3) 表示轉(zhuǎn)折關(guān)系的：But = however = while = whereas例子 ：1) Many ads and commercials do give important

6、 information about products, but / however, some of them are merely misleading and cheating.2) Some people think that studying in a college or university is the best way for students to prepare fortheir future career. While / whereas others believe that they should leave school as soon as possible t

7、o develop their career through work experience.復(fù)合句：定語(yǔ)從句，狀語(yǔ)從句，名詞性從句1 定語(yǔ)從句：.1）Those people who are against mandatory retirement have the following reasons.2）We should take pride in our cultural legacywhich ishanded down from our ancestors.3）As is known to all,the restriction on private cars is atwo-ed

8、ged sword.4）The reason why many governments ban human cloning is that it is morally wrong.5）This is the reason why many people are strongly against the ban on pets in big cities.2 狀語(yǔ)從句：包括原因狀語(yǔ)從句，目的狀語(yǔ)從句，條件狀語(yǔ)從句，讓步狀語(yǔ)從句原因狀語(yǔ)從句：概述： 常用 because ， since ， for ， as 等來(lái)引導(dǎo)原因狀語(yǔ)從句，但是四個(gè)詞在使用上又略有區(qū)別。Because:語(yǔ)氣最強(qiáng)，所引出的原因

9、往往似乎聽(tīng)話人所不知道的或者最感興趣的。.例子： I was absent from school because I caught a coldyesterday.Since:表示人們已經(jīng)知道的事實(shí)，是不需要強(qiáng)調(diào)的原因，所以被翻譯成“既然”，通常放在句首。例子： Since we donthave class tomorrow, why not goout for a picnic?Since you are an English major, I guess you can help me with this sentence.As ： 和 since用法差不多，所引出的理由在說(shuō)話人看來(lái)已

10、經(jīng)很明顯，或者已經(jīng)為聽(tīng)話人所熟悉而不需要用because來(lái)強(qiáng)調(diào)。例子： As Sunday is a national holiday, all government offices will be closed.For:表示推測(cè)的理由，是對(duì)前面主句的內(nèi)容加以解釋或者說(shuō)明。例子： It rained last night , for the ground is wet thismorning.由介詞短語(yǔ)引導(dǎo)的原因狀語(yǔ)從句Because of / due to / owing to +名詞 / 詞組例子： We had an accident because he was careless.用介

11、詞短語(yǔ)來(lái)引導(dǎo)：We had an accidentbecause ofhis carelessness.We had an accidentdue tohis carelessness.Owing tohis carelessness we had an accident.注意： owing to常用于句首， due to一般不這么用。目的狀語(yǔ)從句：概述： 表示目的，常用的引導(dǎo)詞有so that , in order that等。一般位于主句之后，引導(dǎo)的句子中可以用may/can/ might/ could等情態(tài)動(dòng)詞。如果要強(qiáng)調(diào)目的狀語(yǔ)從句，可以將so that / in order that

12、引導(dǎo)的從句置于句首。例子： I turned off the TV in order that my roommate could study in peace and quiet .In order thatmy roommatecouldstudy in peaceand quiet ., I turned off the TV.(此句強(qiáng)調(diào)目的狀語(yǔ)從句 )條件狀語(yǔ)從句：概述： 常用 if , unless來(lái)引導(dǎo)， if 表示“如果”，unless 表示“如果不，除非”。還可以用as long as / solong as /provided等來(lái)引導(dǎo) ,表示“只要”例子： if winter

13、 comes, can spring be far behind?冬天來(lái)了，春天還會(huì)遠(yuǎn)嗎？Inside the book you will find a series of successfulskills and suggestions for improving your English,but these will be uselessunlessyou carry them out.So long asyou work hard enough , an iron rod canbe groundinto a needle.只要功夫深，鐵棒磨成針。A man is not old as

14、long as he is seeking something. A man is not old until regrets take the place of dreams.Knowledge helps you to reach the destination provided you know what the destination is.讓步狀語(yǔ)從句：概述：常用 ”though / although / even though / even if來(lái)引導(dǎo)，主句不能用but 或者可以用in spite of /despite介詞來(lái)引導(dǎo)，需要注意的是，介詞后跟的必須是短語(yǔ) ，而不是句子。

15、例子： Althoughhe tired hard, he failed.盡管他盡力了，他還是失敗了。Even thoughI didn tknow anybody at the party, Ihad a good time.Thoughhe was inexperienced, he did a good job.= In spite of his inexperience,he did a good job.= Despite his inexperience,he did a good job.3 名詞性從句：包括主語(yǔ)從句，表語(yǔ)從句，賓語(yǔ)從句，同位語(yǔ)從句主語(yǔ)從句：即從句在主句中當(dāng)主語(yǔ).

16、常見(jiàn)句型：It is + 過(guò)去分詞 + that從句1）It is reported / believed / generally thought that .2）It should be noted that3）It has been found that4）It must be pointed out that例子： It is reported thatit will rain tomorrow.It is + 形容詞 +that從句It is true / possible / necessary / clear / likely that .例子： It is true thatEn

17、glish is becoming an internationallanguage.It is + 名詞短語(yǔ) +that從句It is a pity / a fact / no wonder / an honor / a shame / common knowledge that .例子： It is commonknowledgethatthe whale is not afish.It is a shamethat you did not pass the exam.表語(yǔ)從句：即從句在主句中當(dāng)表語(yǔ)（句子通常在be 動(dòng)詞的后面）例子：1）My idea is thatthe childsh

18、ouldbe sent to school.（表語(yǔ)從句如果是陳述句，用that 引導(dǎo)，且不能省略）2）My concern iswhetherhe come s or not. （表語(yǔ)從句如果是一般疑問(wèn)句，用whether來(lái)引導(dǎo)，后面加陳述句）3）The point iswhenyouwillbecomerich .(表語(yǔ)從句如果似乎特殊疑問(wèn)句，用特殊疑問(wèn)詞來(lái)引導(dǎo)，后面加陳述句 ).同位語(yǔ)從句：即用一個(gè)完整的句子來(lái)補(bǔ)充說(shuō)明名詞，一般位于一個(gè)名詞的后面，結(jié)構(gòu)是：名詞+ 連詞+ 同位語(yǔ)從句例子：1）The fact that he succeeded in the experiment pleased everybody.2）He was prepared to prove his theory that two different weights would fall to the ground