上海版牛津英语8Bunit1Trees精品课件-知识点全

LOGOIfIplantthisseedinthegroundwillitbecomeapeartree,Hi?YesThat'sstrange.It'sanappleseed.aseedapearLOGOPollutionfightersHowmuchdoyouknowabouttrees1.Howlongdotheyliveontheearth?micemimipinetreesdolphinsa.75yearsb.14yearsc.25yearsd.1,200yearse.2yearsmeanstheprocessofmakingthingsdirtyandunhealthy.PollutionairpollutionnoisepollutionwaterpollutionWhichtypeofpollutiondotreeshelpfight?alloftheabove3.Whichofthefollowingcomefromtrees?treesapplesbeansteaoilrubbercottonWhichistheShenzhencityflower?azaleasBLookandthink1.The“pollutionfighters”areprobablyscientists.2.Fewusefulthingscomefromtrees.3.Treesgiveoutharmfulgases.4.Treescanpassinformationtooneanother.FFFTLookatthetitle,theintroductionandthepictures.WhichareTorF?HeisafirefighterDon’tfighteachother,boys.1.PollutionFighterspollution(n.)pullute(v.)PollutionsarebecomingveryserousThedirtyrubbishpollutedtheair.fighter(n.)fight(v)2.Whyareyousointerestedintrees?interested(adj)感兴趣的interesting(adj)有趣的interest(n)兴趣Maryis_________in_________coins.Shealsotakesan________instamps.beinterestedin=takeaninterestininterestedinterestinginterestsurprised(adj)感到惊讶的surprising(adj)令人惊讶的surprise(n)惊讶frightened-frightening-frightenexcited-exciting-excite类似的词有：3.Doyouenjoybreathingfreshair?enjoydoingsth喜欢做某事breathn呼吸breathev呼吸他喜欢看故事书。Heenjoysreadingstory-books.Alltheanimalsneedto______tolive.Holdyour_______.breathebreath4.Treesarenaturalairconditioners.naturaladj自然的，天生的naturen.大自然，天然Somedesertcountrieshavefewnaturalresources.Natureisatitsbestinspring.5.Forexample,wheinsects...,itcanwarnitsneighours.warnv警告Itriedtowarnhimtokeepawayfromthatdog,buthewouldnotlisten.warnsbtodosth6.Theothertreesthenproduceachemicaltomaketheirleavestaste...producev.产生productn.产品Thefactory_______manycarseveryyear.ThisboyusedtolikeFrench_______.producesproductsmakesth/sbdosth7.Treesarecommunicatingwithoneanother.communicatewith与...交流oneanother彼此，互相Inthepast,peoplewouldoftencommunicatewitheachotherusingletters.8.Aretreeindanger?beindanger处于危险之中danger(n)dangerous（adj)Thebigfireisverydangerous.在这场洪水灾难的人们处于危险之中Thepeopleinthefloodisindanger.这场大火十分危险9.Wecutdownandburnalotoftrees.10.Wearedestroyingourbestfightersagainstpollution.cutdown砍倒cutthetreedown=cutdownthetreecutitdown(V)cutdownit(X)Don’tcutdownthetreeagainstprep反对--（反义词）forpollutionprocessenvironmentprojectendinsectchemicalindangerfighterundergroundfreshnaturalinterviewbreatheproduceattackjoinwarnprotectcommunicatedestroyburncool名词动词形容词C1Findthemeaningsofthefollowingwordsaccordingtothepassage.1.colletingA.pickingsomeoneupB.bringingthingstogetherC.buying2.joinA.takepartinB.putawayC.maketwoormorethingstogether3.communicatingwithA.attackingB.joiningC.sendingmessagesto4.indangerA.notdangerousB.safeC.notsafe5.burnA.saveB.damagesomethingbyfireC.makewarm6.destroyingA.protectingB.helpingC.damagingbadly7.againstA.forB.sayingnotoC.sayingyestoA1project2interviewing3breathing4natural5warn6achemical7cutdownC2FindthewordsinColumnAintheinterviewandmatchthemwiththemeaningsinColumnB.Amadebynature,notbymanBtalkingtosomeoneandaskingthemquestionsCacarefulstudyofasubjectbyschoolorstudentsDtakinginairEsomethingproducedbyorusedinchemistryFcutsomethingtomakeitfalldownGsaythatsomethingbadordangerousmayhappenD.Findthefacts.FourmistakesinJudy'snotesTrees1.livemuchlongerthanpeople;2.producewood,rubber,paper,etc.;3.heattheair;4.cannotcleantheair5.arelikeairconditioners.6.can'tprotectthemselvesagainstinsects.7.cansharefoodandwaterwithoneanother.8.areindanger,mainlyfrominsects.√√coolcan√can√humanbeingsEReadandthink1.RITA:Wegetsomeusefulthingsfromtrees.Isthatright?MAY:____.Twoexamplesare___________2.RITA:Treesdotwomainthingstotheair.Isthattrue?MAY:____.They__________________.Yeswoodandrubber.Yescoolitandcleanit3RITA:Onetreehasthepowerof15airconditioners.Isthatright?MAY:___.Onetreehasthepowerof____________.4RITA:Doscientistsknowalotabouttrees?MAY:___.Theyare___________________________.5RITA:Cantreescommunicatewithoneanother?MAY:___.Forexample,wheninsects_____________.NofiveairconditionersNoonlynowbeginningtoUnderstandthemYesattackatree,itcanwarnitsneighbours.6RITA:Andcantheyprotectthemselvesfrominsects?MAY:___.Theycanproducea__________________.7RITA:Cantreeshelponeanother?MAY:___.Forexample,theycan_____________________________________.8RITA:Everyyear,therearefewerandfewertreesintheworld.Isthattrue?MAY:____.People____________________________.Yeschemicaltomaketheirleavestastebad.YesjointheirrootstogetherundergroundandPasseachotherfoodandwater.YescutdownandburnalotoftreeseveryyearFillintheblankswithcorrectwords.1.He_______theletterafterreadingit.2.Somepeopleliketo_______stampsfromdifferentcountries.3.Iputsomeiceintotheglassto______thewaterinside.4.Imust_______younottogoout.Thereisastormcoming.burntcollectcoolwarn5.Thesedayswecan________________withpen-friendsbye-mails.6.TheTVprogarmme_____________afamousfilmdirectorabouthislatestfilm.7.Theforestwasbadly___________inthebigfire.8.Thereisasmallbookshopatthe______ofthestreet.9.Thenewroadwill________thevillageandthecity.10.Ittookme2weekstofinishthatscien