人教新课标选修六Unit-4Learning-about-language

Unit4GlobalwarmingLearningaboutlanguageDiscoveringusefulwordsandexpressions1Findthewordsinthetextthathavethesetwomeanings.Takenoticeofthemeaningusedinthereadingpassage,writethewordsandmarktheirusageinthechart.PossiblemeaningsWordWhichused1.n.ageneraltendencyinthewayasituationischanging2.v.tostartdoingsomethingthateveryonecopiestrend1PossiblemeaningsWordWhichused1.v.tomakesomething(especiallysomethingbad)increase2.n.asubstancethatcanbeburnedtomakeheatorenergyfuel2PossiblemeaningsWordWhichused1.n.thephysicalormentalconditionofsomeone2.v.toformallysayorwritesomeinformationoranopinion1.v.tousetime,energy,goods,etc2.n.(formal)toeatordrinksomethingstate2consume1PossiblemeaningsWordWhichused1.v.tolookquicklyatsomeoneorsomething2.v.toreadsomethingveryquicklyglance21.CharlesKeelingcollected______onthecarbondioxidecontentintheatmosphereoveraforty-yearperiod.Hefoundthattheamountofcarbondioxide_______increasingduringthattime.datakepton2Completeeachsentencewithoneofnewwordsorphrases.2.Althoughweareburningcoalinhuge_________everyyear,wewon’t________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto________,wecouldbefacingaglobal___________.quantitiesrunoutbuildupcatastrophe4.Manyscientistsbelievethatglobalwarminghas__________throughtheburningoffossilfuels.5.The_____________ofarisingsealevelwouldbewidespreadflooding.comeaboutconsequence6.Onthewholethewarmingoftheearthisa____________thatcausesgreatconcern.7.The_______showstemperaturechangesduringthe20thcentury.8.Onehectareofforestcanabsorb23tonsofcarbondioxide____year.phenomenongraphper9.Thewashingmachineusestoomuchenergy,but_________webuyamoreeconomicalone,itwouldstillusetoomuchwater.10.Thecaraccidentonthemainroadyesterday___________onedriver’sdeath.evenifresultedinGrammarIt的用法及强调句型由it引导的强调句结构：Itis(was)+被强调部分+that(who)+句子其他部分注意:此结构强调的成分仅限于主语,宾语和状语。如：原句:Myfatherdidtheexperimentinthelabyesterdayevening．强调主语:Itwasmyfatherwho/thatdidtheexperimentinthelabyesterdayevening．强调宾语:Itwastheexperimentthatmyfatherdidinthelabyesterdayevening．强调时间:Itwasyesterdayeveningthatmyfatherdidtheexperimentinthelab．强调地点:Itwasinthelabthatmyfatherdidtheexperimentyesterdayevening．e.g.Itwasinthatcitythatwemetforthefirsttime．ItwasnotuntilhetoldmethatIknewthetruth．1.强调句的一般疑问句句型：Is/Was+it+所强调的部分+that/who/whom+其余部分?WasitTomthat/whoIsawyesterdayhere?Wasitateighto’clockthatyoubegantowork?注意：2.强调句的特殊疑问句句型：疑问词+所强调的部分+that/who+其余部分?Wherewasitthatyoupickedupthewallet?Whywasitthathecouldn’tanswerthequestion?3.名词性从句(宾语/表语从句)强调句的基本结构:疑问词(强调部分)+itisthat+其它成分?Ijustwonderwhatitisthatmakeshimexcited.Heisunwillingtotellmewhomakeshimangry.Heisunwillingtotellmewhoitisthatmadehimangry.4.判断是否是强调句,可把Itis/was…that去掉,剩余部分如果是一个完整的句子,就是强调句。ItwasinthestreetthatImetherfather.→InthestreetImetherfather.Itwasbecauseshewasillthattheydidn’taskhertodothejob.→Becauseshewasill,theydidn’taskhertodothejob.1)Itwasin1945thatWorldWarIIended.(强调句)2)Itwas1945whenWorldWarIIended.(定语从句)3)ItwasalongtimesinceImetyoulast.(时间状语从句)5.若原句是not…until句型,在强调until部分时,要把否定形式放入被强调部分。如:Hedidn’tleaveuntillreturned.=ItwasnotuntilIreturnedthatheleft.Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.→NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.→ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.典型例题分析：1)Itwaslastnight____IsawthefilmStarWars．A.whoB.whenC.thatD.which答案C强调句的结构是:It+be+强调部分+that(who)+主谓句。强调句的连词只有两个,that和who。当强调的部分是人,且为句子的主语时,才用who,其余用that。2)Itistenyears____MissGreenreturnedtoCanada.A.thatB.whenC.sinceD.as答案C考点是连词用法。本题易误选为A其实本句不是强调句。若是去掉Itbe…that还应是一个完整的句子。而本句去掉‘Itis…that,只剩下tenyearsMissGreenreturnedtoCanada不成句。因此本句不是强调句。Itis+时间+since...,其中is=hasbeen.1.Itwasn’tuntilnearlyamonthlater______Ireceivedthemanager’sreply.(2005NMET)A．sinceB．whenC.asD.that2.Itwasnotuntil1920______regularradiobroadcastsbegan.(NMET1995)A.whileB.whichC.thatD.sinceDC高考链接3.Itwasabout600yearsago____thefirstclockwithafaceandanhourhandwasmade.(1997NMET)A.thatB.untilC.beforeD.when4.ItwasonlywhenIrereadhispoemsrecently___Ibegantoappreciatetheirbeauty.(1998NMET)A.untilB.thatC.thenD.soAB5.Itisthesepoisonousproducts___cancausethesymptomsoftheflu,suchasheadacheandachingmuscles.(2003上海)A.whoB.thatC.howD.what6.Why!Ihavenothingtoconfess._____youwantmetosay?(2004上海)A.WhatisitthatB.WhatitisthatC.HowisitthatD.HowitisthatBA7.Itwas___backhomeaftertheexperiment.(2004湖北)A.notuntilmidnightdidhegoB.untilmidnightthathedidn’tgoC.notuntilmidnightthathewentD.untilmidnightwhenhedidn’tgo8.Itwaswithgreatjoy___hereceivedthenewsthathislostdaughterhadbeenfound.(2004福建)A.becauseB.whichC.sinceD.thatCD1.Itwasthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.which练习IA2.Itwasinthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.whichB3.---Wasitunderthetree___youweretalkingtoafriend?---Sure.ButwhenIgotbackthere,thebikewasgone.A.thatB.whereC.whichD.whileD4.Canitbeinthedrawer___youputyourpassport?A.whereB.inwhichC.thereD.that5.ItwasJuly1,1997___sawthereturnofHongKongtothemotherland.A.thatB.whenC.whichD.inwhichDA6.Itistwoyears___Ijoinedthearmy.A.be