必修3 Unit 4知识点梳理

Ⅰ.高频单词思忆1.TheChinesegovernmentdidwellinpSARSfromspreading.2.Hecupatthegoodnews.3.Thereisafriendlyaofhelpingeachotherwithdifficultiesinstudyinourclass.4.DoyoubelieveGode?基础落实Unit4Astronomy:thescienceofthestarsreventingheeredtmospherexists3.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.它(地球)

将成为什么样子一直是个谜，直到45~38亿年以前这些尘埃凝聚成一个固体球体。

betodosth.(1)表示“应当/必须做某事”，通常用于通知和说明书里。

(2)表示“______________________”，其完成式则表示“本来打算做某事”。

(3)表示“将来不可避免要发生的事”。考点提炼按计划或安排将要做某事即学即用(1)下岗工人主要靠面包和茶生存。

Thelaid-offworkersmainly_________breadandtea.(2)有一个解决目前地理问题的好办法。

There_______agoodwaytosolvethe_________problemingeography.existonexistsexisting2.escape...whichpreventsheatfrom_________fromtheearthintospace.(回归课本P26)

观察思考

Heescapedfromtheenemy’sprison.

他从敌人的监狱逃了出来。

Hemadehisescapeonarainynight.

他在一个雨夜逃走了。

Thatisreallyanarrow/nearescape.

那可真是九死一生。escaping归纳总结escape________________。escape+n./doingsth.逃脱了/避免了……escapefrom/outof...从……逃跑sth.escapesb.……被某人遗忘；未被注意anarrowescape九死一生makeone’sescape逃跑易混辨异escape,flee,runaway(1)escape着重强调逃跑后的结果，而不是逃跑的动作本身。v.&n.逃跑，逃离(2)flee着重强调逃跑的行为，常含有因“惧怕”而逃跑的意味。(3)runaway强调动作性，有时含有“不辞而别”之意，是口头用语。即学即用(1)有什么办法可以避免和他见面吗？

Isthereanywayto_______________him?(2)我一时忘了他的名字。

Hisname___________forthemoment.escapemeetingescapedme归纳总结mass_______________________________________。amassof/massesof大量的themassmedia大众传媒massproduction批量生产inthemass总体上，总的来说注意

在表示“大量的，许多的”含义时，amassof/massesof既可修饰可数名词，也可修饰不可数名词。在英语中类似的短语还包括：plentyof,alotof,lotsof,aquantityof,quantitiesof等。n.(聚成一体的)团;块;大多数;质量;群众;大量不同但比较的项目相同。(2)主语相同，但比较的项目不同。(3)asmuch/many+名词+as分句Hetookasmuchbutterasheneeded.他带的这些黄油够需要的。(4)as+形容词原级+名词词组+as分句as+adj.+a(n)+n.+as句型是“as...as”结构的一种变化形式。与as的这种用法类似的词还有too...to...句型中的too,感叹句中的how，so...that...句型中的so等。JackisasefficientaworkerasBill.杰克和比尔都是工作效率很高的工人。即学即用

(1)我想用一种尽可能大众化的方式把我的个人经历表达出来。

Iwanttoexpressmypersonalexperiencein_______________________________.(2)这位歌手希望利用尽可能流行的歌曲来表达个人的思想情感。

Thesingertendstoexpresshisfeelingsand

thoughtsin______________________________.asuniversalawayaspossibleaspopularasongaspossible串联扩展n.（表身体部位的名词）v.（动词）shoulder肩膀shoulder挑起；承担back背backface脸face面对；对付head头部headnose鼻子nosearm手臂armhand手hand递，交；提出武装某人慢行；闻出主管；给标题；前往，朝（某方向）走背靠；支持2.利用转化法，品句填/选词（1）LastnightI

asweet

.(dream)（2）Inorderto

abetter

,wemustnotharmother

things.A.lifeB.livingC.livedreamtdreamCBA串联扩展同源动宾词组词义dreama...dream做了个……梦……的死livea...life过上……生活闻……香味打了一个……架smilea...smile笑了一个……笑diea...deathsmella...smellfighta...fight【例1】Myuncle’shouseinthedowntownareaismuchsmallerthanours,butitistwice____expensive.(四川高考)A.asB.soC.tooD.very

解析

but分句实际上是一个省略句,补充完整为:butitistwiceasexpensiveasours。

课文原文

...IfoundIwascarried________________on

theearthandfellover.考题回扣Atwiceasfaras【例2】Whenhe____thedoor，hefoundhiskeyswerenowhere.(湖南高考)A.wouldopenB.openedC.hadopenedD.wastoopen

解析

句意为：当他要打开门时,发现哪里也找不到钥匙了。表示即将发生的动作用betodosth.，所以D项符合句意。A项中出现了would,该词用于将来时态或用来表达某种倾向。

课文原文

Whatit______________wasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.wastobecomeD【例3】Encourageyourchildrentotrynewthings,buttrynotto____themtoohard.(宁夏高考)A.drawB.strikeC.rushD.push

解析句意为：鼓励你的孩子们尝试新的东西。但尽量不要太过分。draw拉;strike敲,打;rush

冲,均不合题意。push向前推，符合题意。

课文原文

Astherocketroseintotheair,wewere_______backintoourseats...Dpushed【例4】Inthegoodcareofthenurses,theboyis____recoveringfromhisheartoperation.

(浙江高考)A.quietlyB.actuallyC.practicallyD.gradually

解析

句意为：心脏手术后在护士们的精心护理下，这个男孩渐渐地痊愈了。quietly静静地；

actually实际上;practically实际地;gradually

逐渐地。

课文原文

___________theweightlessenedandIwasabletotalktohim.GraduallyD【例5】Theartshowwas____beingafailure;itwasagreatsuccess.(天津高考)A.farfromB.alongwithC.nexttoD.regardlessof

解析

farfrom远非；完全不;alongwith与……

一起;nextto几乎,差不多;紧临着;regardlessof不管；不顾。句意为:这次艺术展绝不是一次失败，而是一次巨大的成功。句中afailure与asuccess为抽象名词具体化,分别表示“失败的人/

事”和“成功的人/事”。

课文原文“Wearetoo________theearthnowtofeelitspull,”heexplained.AfarfromⅠ.品句填词1.Hedoesn’tliketobev,instead,hepreferstosolvetheprobleminpeace.2.Withouto,wecouldn’tlive.3.Incoldwinterdays,therewillbeiceonthesofthewater.4.Withthedofscience,manynewthingsareinvented.5.Gspeaking，heisasmartboyexcepthiscarelessness.自主检测iolentxygenurfaceevelopmentenerally6.Hispatthemeetingmadeeverybodyexcited.7.Anotherofhisbookswillbepnextmonth.8.Thereasonwhywehavetofalltotheground

isthatthereisg.9.G,herealizedthathehaddonewrongtoher.10.Theriverissopollutedthateverydaywecanseealotofthingsfonthewater.resenceublishedravityraduallyloatingⅡ.短语运用

inalldirections,goby,givebirthto,intime,dependon,prevent...from,aswellas,bedifferentfrom，escapefrom，watch...doing,massesof,becauseof1.Whetherlifewillcontinueontheearth

formillionsofyearstocomewill__________whetherthisproblemcanbesolved.2.Ifyouputyourheartintoit，you’llsucceed_________.dependonintime3.Therewere___________peopleintheshopsyesterday.4.Nothingcan_______theirplans____beingcarriedout.5.We_______thesun_______behindthetreesandtheeveningfell.6.Oursonsarevery_______________eachother.7.Wespentthreehourswaitingintherain___________you!8.Astime________,IbegantorealizewhatIdidwaswrong.massesofpreventfromwatchedsettingdifferentfrombecauseofwentby9.Carbondioxidecanpreventheatfrom______________theearthintospace.10.TheyownahouseinFrance___________avillainSpain.11.Thebirdswereflyingabout__________________.12.She______________afinehealthybaby.escapingfromaswellasinalldirectionsgavebirthtoⅢ.完成句子1.Theproblemofpollutionis__________________________(值得关注).2.Theunexpectedsnowstorm_______________________________________(阻止了我们去登山).3.__________________________(当心车辆)whilecrossingtheroad.4.Ourteachertookustothepark______________(以使我们高兴).worthpayingattentiontopreventedusfromclimbingthemountainWatchoutforthetraffictocheerusup5.____________________________________(既然大家同意了我的计划),let’sstartforShanghai

nextweekend.6.Thisis___________________________(如此有趣的一部影片)Ihaveseenittwice.NowthateveryoneagreestomyplansointerestingafilmthatⅣ.单项填空1.Thathotelisalwaysfullbecauseitoffersafriendly____andpersonalservic