沪教牛津英语 8B Module1Unit1 P2Reading2(15张)PPT文档格式.pptx
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沪教牛津英语 8B Module1Unit1 P2Reading2(15张)PPT文档格式.pptx
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answerthefollowingquestions,Whataretheproductsoftrees?
Wood,rubber,paperandsoon.Whatkindofpollutioncantreesfight?
Airpollution,noisepollutionandwaterpollution.Treescanprovidepure,coolair.Howcantheydothat?
Theytakeharmfulgasesfromtheairandreleaseoxygenintotheair.,Lookandthink,LookatthesecondpictureonPage3andthinkabouttherelationshipbetweentreesandairconditioners.,1.WhydoesDr.RaysaythatJudyshouldthanktreesforpure,coolair?
Becausetreestakeharmfulgasesfromthe,air,andreleaseoxygenintotheair2.WhydoesDr.Raysaythattreesarenaturalairconditioners?
Becausetheycooltheairaswellascleanit.,Findthenumbers:
1.Thereareforty-sixstudentsinJudysclass.2F.uOrntehaenrdtahhianlfkihnegctaresoftreescouldproduceenoughoxygentokeepJudyswholeclassaliveandhealthyforawholeyear.Cantreestalkwitheachother?
3.Threetreescandothejoboffifteenairconditionersrunningalmostallday.,Lookandthink,andanswerthe,question:
Whydosometreesjointheirrootstogetherunderground?
LookatthethirdpictureoWnhPeagnein3sectsattackatree,howdoesitprotectitself?
1.Wheninsectsattackatree,itcanwarnitsneighbours.,2.Theyjointheirrootstogetherandpassfoodandwatertoeachother.,1.Whatdoesthelastpartofinterviewtellus?
Treesareingreatdanger.Wemustdosomethingtomakeadifference.2.Whatsthepresentsituationoftrees?
Canyougivemoreexamplestoshowthatpeoplearedestroyingourbestfightersagainstpollution?
Wecutdownandburnmillionsoftreeseveryyear,butwereplaceahlamrodslytnaonnyeooffththeemm.,1.hectare,n.公顷,Vocabulary:
2.warn,v.警告,warning,n.警告n.自然,3.naturenatural,adj.自然的adj.天生的,ahectare=10,000squaremetresofsth.warnsb.todosth.nottodosth.awarningsignkeepthebalanceofnature,4.airconditionerair-conditioned,n.空调adj.有空调的,naturalresources自然资源Heisanaturalswimmer.,Vocabulary:
helpingus.,Thankyoufor8.knowalot,很了解,knownothingabout,eatalot吃很多一无所知,5.AHeaasswweellllasaIsisBgo+ingVsAhopp不in仅g.而且(强调前者)nNoottoonnlylyheAbubtualtsoaIlsaomgBoin+gsVhoBpping(.强调后者)aHsewiseglloin=gs,htooppoing.Iamgoingshoppingaswell.,oneanother=eachotherthankfor+n./doingsth.yourhelp.,彼此;
互相因感谢,9.protect,v.保护,protection,n.保护,rotectiveadj.保护的,Vocabulary:
rotectfrom/againstdoing保护免受伤害,chemicalchanges化学变化,teachmechemistry,教我化学,adj.化学的,10.chemicalchemistry,n.化学,n.化学物质dangerouschemicals危险的化学品,municatecommunicationcommunicatewith,v.交流;
沟通n.交流;
沟通和交流;
沟通,12.beindanger,处于险境中,beoutofdanger,脱离险境,dangerous,adj.危险的,Vocabulary:
取代;
替代,Treesareingreatdanger.Luckily,heisoutofdangernow.replace=taketheplaceofdestroyv.彻底毁灭,damage,adj.损伤,Thetownwasdestroyedbythewar.Manyhousesweredamagedbytheheavyrain.,Howcanweprotecttrees?
WeshouldWeshouldnt,Homework,Recitethephrasesinthesheet.精练Ex.2;
中学生世界Ex.2Translation.,
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