Unit8We’retryingtosavetheearth!TheSixthPeriodGrammarFocus/SelfCheck【Teachingaims】一、听、说、读、写以下词汇：afford了解以下词汇的读音和意义：reusable,transportation二、通过学习，口、笔头掌握下列句型：1)Yes,everyoneshouldplayapartinkeepingthecityclean.2)Bigthingsmustbedonetosavetheearth.3)A:Wethinkeveryoneshouldusepublictransportation.B:Wedisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…三、通过对本单元语法的复习与巩固，学会归纳与总结。四、学生通过分析城市现状，培养自己的环保意识，并为我们的城市做力所能及的事情。Difficulties：本单元语法的复习与巩固【Teachingsteps】1.本单元复习了哪几种语态？Jasonthinksthattheairisbadlypolluted.Susanusedtoseethemountainsclearly.Peoplearealsolitteringinpublicplaces.Theythinkthattheycandonothingtohelp.Theyaretalkingaboutthenoisepollutiontheyhaveseen.观察上面的黑体字内容，它们分别对应了几种时态或语态？1._________2._________3.__________4._________5.___________。你能归纳出这几种时态或语态的结构吗？1._________2._________3.__________4._________5.___________。2.Fillintheblanks.We’re________(try)tosavetheearth.Theriverusedto_________(is)soclean.Theairisbadly__________(pollute).Noscientificstudentshave__________(show)thatsharkfinsaregoodforhealth.Weshould_________(help)savethesharks.3.Writedifferentformsofthewords.Thenaddmoretoeachgroup.4.Workon4a.Fillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_________youever________(take)partinanenvironmentalproject?Ken:Yes,Ihave.I_________(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity___________ever_________(have).Joe:Howmanypeople__________(take)part?Ken:I_________(think)morethan1,000people_________(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis_____________(try)toimprovetheenvironment.Ken:Yes,wecan’taffordto___________(wait)anylongertotakeaction!5.Workon4b.Fillintheblankswiththeappropriatemodalverbsfromthebox.People_______thinkthatbigthings_________bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you__________saveelectricitybyturningoffthelightswhenyouleavearoom.You________alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow_________payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you__________rideyourbikeorwalk.Ifit’sfar,you________takethebus.Allthesesmallthings_______addupandbecomebigthingsthat__________improvetheenvironment.Let’stakeactionnow!6.Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheModalverbsenvironment.Peopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.UsedtodoTheairpollutionisgettingworseandworse.Presentperfect7.WorkonSelfCheck3.MakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartnerA:Ithinkeveryoneshouldusepublictransportation.B:Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…8.WorkonSelfCheck3.Writewaystocutdownonthesekindsofpollution.9.单元小结
