高二英语人教版选修6课件Unit4Learningaboutlanguage

人教课标高二选修6Unit4Goovernewwordsandphrasesinthepreviousthesections.Thencompleteeachsentencewithoneofthosenewwordsorphrases.21.CharlesKeelingcollected_____onthecarbondioxidecontentintheatmosphereoveraforty-yearperiod.Hefoundthattheamountofcarbondioxide_______increasingduringthattime.datakepton2.Althoughweareburningcoalinhuge_________everyyear,wewon’t________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto________,wecouldbefacingaglobal___________.quantitiesrunoutbuildupcatastrophe4.Manyscientistsbelievethatglobalwarminghas__________throughtheburningoffossilfuels.comeabout5.The____________ofarisingsealevelwouldbewidespreadflooding.consequence6.Onthewholethewarmingoftheearthisa____________thatcausesgreatconcern.7.The_______showstemperaturechangesduringthe20thcentury.8.Onehectareofforestcanabsorb23tonsofcarbondioxide____year.phenomenongraphper9.Thewashingmachineusestoomuchenergy,but_______webuyamoreeconomicalone,itwouldstillusetoomuchwater.10.Thecaraccidentonthemainroadyesterday__________onedriver’sdeath.evenifresultedin•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。ExplanationItwasinthatcitythatwemetforthefirsttime．e.g.ItwasnotuntilhetoldmethatIknewthetruth．原句：Myfatherdidtheexperimentinthelabyesterdayevening．强调宾语：Itwastheexperimentthatmyfatherdidinthelabyesterdayevening．强调主语：Itwasmyfatherwho/thatdidtheexperimentinthelabyesterdayevening．强调地点：Itwasinthelabthatmyfatherdidtheexperimentyesterdayevening．强调时间：Itwasyesterdayeveningthatmyfatherdidtheexperimentinthelab．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.Itwasthisvillage___Iwasbought.A.whereB.thatC.onwhichD.which2.Itwasinthisvillage_______Iwasbroughtup.A.whereB.thatC.onwhichD.which3.–Wasitunderthetree_____youwereawaytalkingtoafriend?–Sure.ButwhenIgotbackthere,thebikewasgone.A.thatB.whereC.whichD.whileI.根据句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。1.Onthew_____,IthoughtthefilmAnimalsUnitedwasprettygood.2.Thea_______ageoftheboysinthisclassistwelveyearsold.3.Thesecreatureswerebelievedtohavecomefromo_____space.outerwholeaverage4.Thereisagrowing________(趋势)forpeopletoworkathomeinsteadofinoffices.5.Therearereportsof___________(分布广的)floodinginnorthernFrance.6.Thenewspaperdidn’tappearanylongerafterbeingin________(存在)foronlythreemonths.existencetendencywidespreadII.根据汉语提示，用强调句型补全下列句子。1._____________________(是在校门口)thatImetanoldfriendofmine.2.______________(是在晚上7点)thatwereachedthemountainvillage.3.Itisourparents_____________________________________(我们经常向他们寻求帮助).that/whom/whoweoftenturntoforhelpItwasattheschoolgateItwasat7p.m.4.Itwasourmonitor_________________________________(在考试中获得第一名).5.__________________(那是在去年吗)thebuildingwascompleted?6._________________(是在哪里)youmetyourEnglishteacher?Wherewasitthatwho/thatwonfirstplaceintheexamWasitlastyearthat7._______________(是怎么)Susanwenttoschoolyesterday?8.____________________________(是在前天)thatyoulostthemoney,wasn’tit?ItwasthedaybeforeyesterdayHowwasitthat1.Makefoursentenceswith“it”foremphasis.2.Finishexercises1-3onpage29.