人教新课标选修六Unit 4Learning about languageppt课件.ppt

人教新课标选修六Unit 4Learning about languageppt课件.ppt

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时间:2020-09-30

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1、Unit4GlobalwarmingLearningaboutlanguageDiscoveringusefulwordsandexpressions1Findthewordsinthetextthathavethesetwomeanings.Takenoticeofthemeaningusedinthereadingpassage,writethewordsandmarktheirusageinthechart.PossiblemeaningsWordWhichused1.n.ageneraltendencyinthewayasituationischanging2.

2、v.tostartdoingsomethingthateveryonecopiestrend1PossiblemeaningsWordWhichused1.v.tomakesomething(especiallysomethingbad)increase2.n.asubstancethatcanbeburnedtomakeheatorenergyfuel2PossiblemeaningsWordWhichused1.n.thephysicalormentalconditionofsomeone2.v.toformallysayorwritesomeinformation

3、oranopinion1.v.tousetime,energy,goods,etc2.n.(formal)toeatordrinksomethingstate2consume1PossiblemeaningsWordWhichused1.v.tolookquicklyatsomeoneorsomething2.v.toreadsomethingveryquicklyglance21.CharlesKeelingcollected______onthecarbondioxidecontentintheatmosphereoveraforty-yearperiod.Hefo

4、undthattheamountofcarbondioxide_______increasingduringthattime.datakepton2Completeeachsentencewithoneofnewwordsorphrases.2.Althoughweareburningcoalinhuge_________everyyear,wewon’t________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto________,wecouldbefacingaglobal___________.

5、quantitiesrunoutbuildupcatastrophe4.Manyscientistsbelievethatglobalwarminghas__________throughtheburningoffossilfuels.5.The_____________ofarisingsealevelwouldbewidespreadflooding.comeaboutconsequence6.Onthewholethewarmingoftheearthisa____________thatcausesgreatconcern.7.The_______showste

6、mperaturechangesduringthe20thcentury.8.Onehectareofforestcanabsorb23tonsofcarbondioxide____year.phenomenongraphper9.Thewashingmachineusestoomuchenergy,but_________webuyamoreeconomicalone,itwouldstillusetoomuchwater.10.Thecaraccidentonthemainroadyesterday___________onedriver’sdeath.evenif

7、resultedinGrammarIt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:Itwastheexperimentthatmyfatherdidinthelabyesterdayev

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