人教版英语选修六第四单元知识点知识讲解.docx

人教版英语选修六第四单元知识点知识讲解.docx

《人教版英语选修六第四单元知识点知识讲解.docx》由会员分享，可在线阅读，更多相关《人教版英语选修六第四单元知识点知识讲解.docx（15页珍藏版）》请在冰豆网上搜索。

人教版英语选修六第四单元知识点知识讲解

人教版英语选修六第四单元知识点

U4（选修六）

Languagepoints-reading1

1.dependon/upon+n依靠,依赖,确（坚）信

Youcan’tdependonyourparentsforever.

dependon/upon+sb.+todo指望某人做……

Youcan’tdependonhimtocomeontime.

dependon/upon+it+that….指望…..

Youmaydependonitthathewillcome.

dependon/upon+wh-从句  

Whetheryoucanpasstheexamdependsonhow hardyouwork.

That（all）depends./italldepends.（口语）视情况而定，

Imayhelpyou.Butthat/itdepends.

2.light

1）n.光,线,灯

2）v.照亮,点燃

Helitamatch.他划着了一根火柴。

Asmileoftriumphlitupherface.她的脸上闪耀着胜利的微笑。

Thematchlightseasily.这火柴容易划着

3）adj

Thesuitcaseisverylight.（轻的）

Therewasalightrainfalling.

Heisalightsleeper.他睡不沉。

（易醒的）

3.heatv./heatup是某物变热或变暖

heatedadj.热的激烈的

heateddebate,heateddiscussion

heatedlyadv.愤怒地激昂地

heater加热器发热器

4.consumev.----consumer （n.）.

1消耗,花费;耗尽

Sheconsumedmostofhertimeinreading.

2吃完,喝光

Thekidssoonconsumedallthefoodonthetable.孩子们一会儿功夫便把桌上的食品全部吃光。

3使全神贯注,使着迷+with

Theboywasconsumedwithcuriosity.那男孩充满好奇心。

5.as…asonecan=as…aspossible

Pleasecomehereassoonaspossible.=Pleasecomehereassoonasyoucan..

asmanyas多达

aslongas长达,只要

asfaras远至,就…而论

aswellas和…一样好,也,和

asearlyas早在

6.对比：

Ourfoodsupplyhasgivenout.

Hismoneysoonranout.

Wearerunningoutofourtime.

Ihaverunoutofmyoil.

Allhissavingshavebeenusedup.

7.Trapvt./n.挡住圈套

Sandandleavestrappedthewaterinthestream.

Theyfinallytrappedthemouseinacage.最后，他们用笼子把老鼠逮着了。

Thepolicesetatrapforthethieves.

Shewastrappedintheburninghouse.

8.keep….from….

  stop….（from）….

  prevent…（from）….

Youshouldcleanyourroomtokeepitfromgettingdirty.你应该打扫房间以保持干净。

Keepdoing继续

keepout挡住使进不去

keepupwith跟上

9Whatdoyouthinkgreenhousegasesdo?

你认为温室气体有什么作用呢?

 ▲本句中think后接了一个由what引导的宾语从句。

但应注意的是：

特殊宾语从句即当一般疑问句主句的谓语动词是think,believe，suppose，consider,imagine，guess和suggest等时，表疑问的词要放在主句前即句首。

例如：

[正]Whodoyouthinkwillwininthegame?

[误]Doyouthinkwhowillwininthegame?

当然一般情况下宾语从句的疑问词应放在主句之后，例如：

[误]Whydoyouknowwecan'tcutdownthebigtree?

[正]Doyouknowwhywecan'tcutdownthebigtree?

whencomparedtoothernaturalchanges是一个省略的时间状语从句，其完整的形式应该是Whenitiscomparedto…; 

在时间、地点、条件、方式或让步状语从句中，如果从句和主句为同一主语，或者从句的主语是it,而且从句中的谓语动词时动词be或含有助动词be，可省略主语和be如：

If（itis）so,youmustgetbackandgetit.Although（hewas）criticized,hestillworkedhard.

Hehurthislegsbadlywhen（hewas）playingfootball

pare

compareto/with:

与…相比

Comparedto/withmanywomen,shewasindeedveryfortunate.

compareAwithB：

相比（不同）

Ifyoucompareherworkwithhis,youwillfindhersismuchbetter.

compareAtoB：

把A比作B

Poetshavecomparedsleeptodeath.

Ateacher'sworkisoftencomparedtoacandle.

Thepoetcompareshislovertoaroseinhispoems.

Comparedtotenyearsago,thecarbondioxidecontentoverthisdecadehasgoneuprapidly.

Carbondioxideintheatmosphereiscomparedtotheglassofgreenhouse.

Comparedwithissimilarto

Peopleoftencompareteacherstogardeners.人们经常把老师比做园丁。

Thatprobablydoesn’tsoundverymuchtoyouormebutitisarapidincrease.   

comparedtomostnaturalchanges     与大多数的自然变化相比

eabout:

发生=happen（无被动）

1Thissituationshouldneverhavecomeout.

2Howdiditcomeaboutthathehadhisleghurt?

他的腿伤着了，这是怎么发生的？

3Thishasnotcomeaboutovernight.冰冻三尺，非一日之寒

Takeplace事件的发生有某种原因或事先的安排：

TheOlympicGamesof2008tookplaceinBeijing.

Happen偶然或突发性事件：

whathappenedtoyou?

Ihappenedtoseehimonmywayhome=IthappenedthatIsawhimonmywayhome.

Occur发生或想到，突然想起，意为发生时=happen:

whathasoccurred?

Ioccurredtomethatshedidn’tknowIhadmovedintothenewhouse.

Comeabout事情发生了，但还不知道为什么。

常用于否定和疑问

Whenmotherwokeup,shedidn’tknowwhathadcomeabout.

Breakout常指战争灾难疾病争吵事件的发生

comeintobeing形成

Comeintopower/office当权/当职

Comeintoforce/effect开始生效

Comeout出版,结果…comeacross偶遇

 cometo共计，苏醒

Whenitcomesto涉及

Comeupwith提出

Comeup在空中出现，

Comealong,进展，跟随

cometrue …成真

12.Thereisnodoubtthat….毫无疑问….

Thereisnodoubtthathecancomeontime.

doubt的宾语从句,肯定句whether/if/that否定句that

Hedoubtedwhethertheywouldbeabletohelp.

Heneverdoubtedthattheywouldwinthegame.

beyond/withoutdoubt无疑地

Itishumanactivitythat…

原句：

Myteacherdidtheexperimentinthelabyesterdaymorningwithme.

强调主语：

Itwasmyteacherthatdidtheexperimentinthelabyesterdaymorningwithme.

强调宾语Itwastheexperimentthatmyteacherdidinthelabyesterdaymorningwithme.

强调时间状语Itwasyesterdaymorningthatmyteacherdidtheexperimentinthelabwithme.

强调地点状语Itwasinthelabthatmyteacherdidtheexperimentyesterdaymorningwithme.

强调方式状语Itwaswithmethatmyteacherdidtheexperimentinthelabyesterdaymorning.

not…until…

Ididn’trealizeshew