英語(yǔ)人教版講解選修六m6u4language points

1.Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhencompared

toothernaturalchanges.Whencomparedto=whenitiscomparedto(with)狀從的省略.條件：1).主從句主語(yǔ)一致且從句中含be動(dòng)詞時(shí)可省略狀從中的主語(yǔ)和be動(dòng)詞。如：過(guò)馬路時(shí)要四下看看Lookaroundwhile(youare)crossingtheroad麥蒂的表現(xiàn)比預(yù)料的要好McGradyperformsbetterthanexpected

他張了張嘴，好像有話要說(shuō)Heopenedhislipsasif(hewere)tospeak.2)當(dāng)從句中的主語(yǔ)是it,謂語(yǔ)動(dòng)詞又含有系動(dòng)詞be是，可以把it和系動(dòng)詞be一起省略。如果沒(méi)必要，你最好不要查字典Unless(itis)necessary,you’dbetternotrefertothedictionary.如果有可能，我想到月球探險(xiǎn)Ifpossible,I’dliketoexplorethemoon.2.Thereisnodoubtthattheearthisingwarmerandthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫無(wú)疑問(wèn)，地球正變得更加暖和。全球變暖是人為的，而不是隨意的自然現(xiàn)象毫無(wú)疑問(wèn)，每個(gè)人都是獨(dú)一無(wú)二的Thereisnodoubtthateveryoneisunique.我懷疑他是否考試作弊Idoubtwhetherhecheatedintheexam.我不懷疑他會(huì)贏得這場(chǎng)比賽Idon’tdoubtthathewillwintherace.3.Somescientistssubscribetotheviewthattheincreaseintheearth’stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.類似表達(dá)：Sb.advocates/argues/isinfavoroftheviewthat…(同位語(yǔ)從句)連詞that引導(dǎo)同位語(yǔ)從句時(shí)，應(yīng)在某些抽象名詞之后，如：fact,hope,desire,thought,suggestion,idea,news,problem,possibility等，對(duì)前面的名詞其補(bǔ)充說(shuō)明作用。that不做成分1.-----It’sthirtyyearssincewelastmet.----ButIstillrememberthestory,believeitornot,_____wegotlostonarainynight.A.whichB.thatC.whatD.when2.Couldyouimaginethesituations___willappearintheworkingworld?A.whereB.whenC.thatD.whatBc4.Withoutthe‘greenhouseeffect’.Theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.相當(dāng)于：Ifthereweren’tthe‘greenhouseeffect’.Theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.要不是這場(chǎng)雪，我們就能打籃球了Without/Butforthesnow,wewouldplaybasketnow.5.Itmeansthatmoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperaturetogoup1)Itmeansthat…“it”:形式主語(yǔ)很可能周四濟(jì)南要下雪Itisverylikely/probablethatasnowwillfallonJinanonThursday.==AsnowisverylikelytofallonJinanon..2)把。。。留存/儲(chǔ)存(holdandkeepgas,water.Etcsothatitcanbeusedlater)Solarpanelscantrapthesun’sheat太陽(yáng)能電池板能儲(chǔ)存太陽(yáng)的能量1.Tenminersweretrappedunderground2.Thepolicetrappedtheterroristsataroadblock.3.Iwastrappedintosigningaconfession.(供詞)4.Aboyhadhisfingerstrappedinthedoor.trap的其他意思困使陷于羅網(wǎng)，把（某人）逼入困境誘騙，誘使被夾??；被壓扁6.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.1)強(qiáng)調(diào)句的一般疑問(wèn)句Itwasin1939thattheSecondWorldWarbrokeout.Wasitin1939thattheSecondWorldWarbrokeout?2)強(qiáng)調(diào)句的特殊疑問(wèn)句Whowasitthatbrokethewindow?3)強(qiáng)調(diào)句在復(fù)合句中做某一成分Tellmewhoitwasthatbrokethewindow.1）區(qū)分強(qiáng)調(diào)句與其他從句ItwasonOct.1st,1949_____ThePeople’sRepublicofChinawasfoundedItwasOct.1st,1949_____ThePeople’sRepublicofChinawasfounded2)強(qiáng)調(diào)句型與Itis+時(shí)間+since…Itwastwoyearsago______IbegantolearnEnglish.Itistwoyears______IbegantolearnEnglish.thatwhenthatsince3)Itwon’tbelong_________Imeetyou.4)Itisthefirsttime________I’vebeentoHongkong.beforethat7.It’sOKtoleaveanelectricalapplianceon

solongasyouareusingit.Ifnot,turnitoff!1.我們還可用ifnot/so/any/ever代替上文.如：你去過(guò)濟(jì)南嗎？如果去過(guò)的話，濟(jì)南的泉水一定留給你深刻的印象HaveyoueverbeentoJinan?Ifever,youmustbedeeplyimpressedwithspringsthere.明天得早起。如果不早起，你就要遲到了Getupearlytomorrow.Ifnot,you’llbelate-ArethereanybooksaboutEnglishlearning?--Ifany,thereareonlyafewleavetheelectricalapplianceonLeave+賓語(yǔ)+賓補(bǔ):使（