资源描述：
《Unit 13 We're trying to save .ppt》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、Unit13We'retryingtosavetheearth!SectionA朝阳初级中学袁培培Welearn:1.Somewords:sand,although2.Somephrases:changeinto,stop…from=prevent…fromWecan:1.Usetheindefinitepronounandadverb.2.Talkaboutthesandstormanditsharm.LearningaimsTheyareverysad,theywanttoleave.Doyouknowwhy?cutdo
2、wnmanytreesTheyareverysad,theywanttoleave.Doyouknowwhy?Whatshouldwedo?Theboyandgirlsaretalkingabout—————.differenttypesofsandstormsthereasonsforsandstormssandstormsindifferentcities1bListento1aandchoosethebestanswer.Focusonthemainideaoftheconversationwhenyoulistenf
3、orthefirsttime.√1cRead1aandcompletetrees’functions.Treescanstopthewindfromblowingtheearthaway.Alotofwatercanbesavedbyforests.Theycanalsostopthewaterfromwashingtheearthaway.Tree’sfunctionsReadandanswerthequestions1.What’stheweatherliketoday?It’sbad.Thewindissostrong
4、.Andthesandreallyhurtsface.2.Whatcausesthesesandstorms?Peoplehavecutdowntoomanytrees.Asaresult,alotofrichlandhaschangedintodesert.3.Dowestillneedtodosomethingtoprotecttheenvironment?Yes,wedo.Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotectth
5、eenvironment.conj.虽然，尽管，即使n.沙somebody,someone,something,somewhereanybody,anyone,anything,anywherenone,nobody,nothing,nowhereeverybody,everyone,everything,everywhere一般情况下用于肯定句一般情况下用于否定句和疑问句表否定含义可用于各种句式theindefinitepronounandadverb1.Ihave____totellyou.A.importantsome
6、thingB.somethingimportantB形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后Doyouknow?2.Everybody___readyforthematch.A.isB.areA不定代词作主语时，谓语动词要用单数。2Completethesentenceswiththecorrectformsofthegivenphrasesinthebox.asaresult,changeinto,dosomething,stop…from,blow…away1.Peoplehavecutdownsuc
7、halargenumberoftreesthattheland_____________________desert.2.Therearefewertreesleft,sothewindalways_______theearth________.3.Airpollutionhasbecomeaseriousproblem,sowemust______________toreduceit.4.weshouldtryourbestto_________people________cuttingdownthetrees.5.Int
8、hefuture,humanbeingscanprotectthetreeswell._____________,animalswillliveahappylifeintheforest.haschangedintoblowsawaydosomethingstopfromAsaresult
