欢迎来到天天文库
浏览记录
ID:62555401
大小:17.67 KB
页数:4页
时间:2021-05-12
《高中英语Unit4《GlobalWarming》学案5新人教版选修6.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit4GlobalWarmingGrammarLearningmaterialNSEFCBook6——Unit4LearningaimsEnablethestudentstomastertheusageoftheformitis/was...that.....LearningimportantpointsHowtoenablethestudentstoknowthestructureandtheusageoftheformitis/was...that....LearningdifficultpointsHowtohel
2、pthestudentstomastertheusageoftheformitis/was...that....Learningaidstaperecorder,slidesLearningproceduresStep1RevisionT:Firstlet’scheckanswers.(slideshow)Discoveringusefulwordsandexpressions.(P28)1.CharlesKeelingcollected______onthecarbondioxidecontentintheatmosphe
3、reoveraforty-yearperiod.Hefoundthattheamountofcarbondioxide_______increasingduringthattime.2.Althoughweareburningcoalinhuge_________everyyear,wewon't________ofitforcenturies.3.Iftheamountofgreenhousegasescontinuesto_______wecouldbefacingaglobal__________.4.Manyscie
4、ntistsbelievethatglobalwarminghas__________throughtheburningoffossilfuels.Theydonotthinkthatignoringtheissueisworththe____.5.______describesweatherconditionsoveraperiodofyearsinaparticularplace.6.The_____________ofarisingsealevelwouldbewidespreadflooding.7.Theuseof
5、energyinSusanna'scountryislow______________theuseofenergyintheUSA.8.Thewarmingoftheearthisa_____________thatcausesgreatconcern.9.The________showstemperaturechangesduringthe20thcentury.10.Onehectareofforestcanabsorb23tonsofcarbondioxide____year.Keys:1.datakepton2.qu
6、antities;runout3.buildup;catastrophe4.comeabout;risk5.Climate6.consequence7.comparedto8.phenomenon9.graph10.perAnswerkeysforEx.2onPage28:Thefirstgraphshowstheglobal_______________between________and_________Thetemperature__________anddecreasedoverthisperiodbutonthew
7、holeit_用心爱心专心1________byaround_________anditshighestin2000.Therewasasteady_________________inthetemperatureduringthetwentyyearsafter1980.Wecanseefromthegraphthattheearthhasbecome___________sinceearlylastcentury.Thesecondgraphshowstheamountof______________intheatmos
8、pherefrom________to_______.Thecarbondioxide__________steadilyoverthisforty-yearperiod.Itwentupfrom315to370parts___________million.Keys:Temperatur
此文档下载收益归作者所有