人教新课标选修六unit4learningaboutlanguage

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

2、ndencyinthewayasituationischanging2.v.tostartdoingsomethingthateveryonecopiestrend1PossiblemeaningsWordWhichused1.v.tomakesomething(especiallysomethingbad)increase2.n.asubstancethatcanbeburnedtomakeheatorenergyfuel2PossiblemeaningsWordWhichused1.n.thep

3、hysicalormentalconditionofsomeone2.v.toformallysayorwritesomeinformationoranopinion1.v.tousetime,energy,goods,etc2.n.(formal)toeatordrinksomethingstate2consume1PossiblemeaningsWordWhichused1.v.tolookquicklyatsomeoneorsomething2.v.toreadsomethingveryqui

4、cklyglance21.CharlesKeelingcollected______onthecarbondioxidecontentintheatmosphereoveraforty-yearperiod.Hefoundthattheamountofcarbondioxide_______increasingduringthattime.datakepton2Completeeachsentencewithoneofnewwordsorphrases.2.Althoughweareburningc

5、oalinhuge_________everyyear,wewon’t________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto________,wecouldbefacingaglobal___________.quantitiesrunoutbuildupcatastrophe4.Manyscientistsbelievethatglobalwarminghas__________throughtheburningoffo

6、ssilfuels.5.The_____________ofarisingsealevelwouldbewidespreadflooding.comeaboutconsequence6.Onthewholethewarmingoftheearthisa____________thatcausesgreatconcern.7.The_______showstemperaturechangesduringthe20thcentury.8.Onehectareofforestcanabsorb23tons

7、ofcarbondioxide____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

8、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