牛津版上海版八年级下册Unit1TreesReading课件教学提纲

Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.IfIplantthisseedintheground,willitbecomeapeartree,Hi?Yes,Lo.That’sstrange.It’sanappleseed.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.WhereareHiandLo?What’sinLo’shand?WhatdoesHithinkoftheseed?Whydoeshethinkso?Whatdoyouthinktheunit’stopicwillbeabout?Theyareinthegarden.It’sanappleseed.Itwillbecomeapeartree.Lodidn’ttellhimitwasanappleseed.Treesorplants.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Beforeyoureadtheinterview,trythisonlinequiz.Matchthepictureswiththewords.()1whales()2humans()3trees()4mice()5tortoisesEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Howlongdotheylive?Matchthe

livingthingsontheleftwiththeaverageagesontheright.abcdemicetreestortoiseswhaleshumansiiiiiiivv70years150years40years4,000years3yearsEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Whatdoespollutionmean?Whichkindofpollutiondotreeshelpfight?airpollutionwaterpollutionnoisepollutionalloftheaboveEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Airpollution:Theleavesoftreesremovedangerouschemicalsanddirtfromtheairandproduceoxygen.Waterpollution:Treesaroundreservoirshelpkeepthewatercleanbyremovingdustanddirtfromtheair,andtheirrootspreventthesoilfrombeingwashedintothewater.Noisepollution:Treesreducethenoisemadebytraffic.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Whichofthefollowingitemscomefromtrees?nutsbeanscottonoiltearubberEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.nuts,e.g.,walnuts,colanuts(usedincola)beans,e.g.,coffee,cocoa(usedtomakechocolate)Cottonplantsareplantedfresheveryyearintropicalandsubtropicalareas.Cottonisusedtomakefabrics.oil,e.g.,coconutoil,palmoilTeaismadefromleaves.Rubberismadefromthesapoftherubbertree(latex).Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Thebest-knowntreesinShanghaiaremagnoliatrees.Theirlarge,sweet-smellingflowersareknownasthecityflowersofShanghai.Whichpictureshowsamagnoliatree?abcEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Thebananatree(a)isusuallycalledatree,butitisnotreallyonebecauseitstrunkisnotmadeofwood.Itproducesfruitanditsleavescanbeusedasroofingmaterial.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Therearemanydifferentkindsofpalmtrees(b).Thecoconutpalmproducescoconutswhoseoutsideshell(thehusk)canbemadeintoropesorburnedforfirewood.Themilkcanbedrunkandthefleshofthecoconutcanbeeaten.Oilpressedfromthefleshisusedbothforcookingandinskincreams.Theleavesareusedtomakebrooms.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Magnoliatrees(c)aresmalltomedium-sizedtreesnotedfortheirlarge,showyblossomsinearlyspring,andlargeleaves.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.ABeforeyoureadtheinterview,lookatthetitle,theintroductionandthepictures.Judyiscollectingsomefactsforaclassprojectonpollution.SheisinterviewingDoctorRay,ascientist,abouttrees.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.BDonotreadthewholeinterviewyetand

decidewhetherthefollowingstatementsareT(true)orF(false).Thepollutionfightersareprobablyscientists. T/FManyusefulproductscomefromtrees. T/FTreesarenatural

airconditioners. T/FTreescanpassinformationtooneanother. T/FEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.CScantheinterviewandcheckifyouhavegot

thecorrectchoicesaboutthefollowingstatements.Thepollutionfightersareprobablyscientists. T/FManyusefulproductscomefromtrees. T/FTreesarenaturalairconditioners. T/FTreescanpassinformationtooneanother. T/FEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Judyiscollectingsomefactsforaclassprojectonpollution.SheisinterviewingDoctorRay,ascientist,abouttrees.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.JUDY Whyareyousointerestedintrees,

DoctorRay?DRRAY They’rethebiggestandoldestlivingthingsontheEarth,Judy.JUDY Yes,butwhatgoodaretrees?Theymakestreetsmorebeautifulandlessnoisy,butwhatelsecantheydo?DRRAY Well,thewoodinyourpencil,

therubberontheendofyour

pencil,thepaperinyour

notebookandthefruitinyour

bowlallcomefromtrees!

And,Isupposeyoualsoenjoy

breathing

pure,coolair.JUDY Ofcourse.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.DRRAY Thenyoumustthanktreesforthattoo.

Theytakeharmfulgasesfromtheair,andrelease

oxygenbackintotheair.Howmanypeoplearethereinyourclass,Judy?JUDY Forty-six.DRRAY Well,oneandahalfhectaresoftreescouldproduceenoughoxygentokeepyourwholeclassaliveandhealthyforawholeyear.JUDY That’swonderful!DRRAY Treescooltheairaswellas

cleanit.Theyarenaturalair

conditioners.Threetreescan

dothejobof15airconditioners

runningalmostallday.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.JUDY Youcertainlyknowalotabouttrees,

DoctorRay.DRRAY Thankyou,Judy,butIdon’t,really.Scientistsareonlynowbeginningtounderstandthem.Forexample,wheninsectsattackatree,itcanwarnitsneighbours.Thetreescanthenprotectthemselvesbyproducingachemicalthatmakestheirleavestastenasty.Andsometreescanjointheir

rootstogetherunderground,

andpassfoodandwaterto

eachother.Treesare

communicatingwith

oneanother,butwe

don’tknowhow.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.JUDY Aretreesindanger?DRRAY Ingreatdanger.Wecutdownandburnmillionseveryyear,butwereplace

hardlyanyofthem.Wearedestroyingourbestfightersagainstpollution.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.Workbook8B,page1.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.averageadj.aroundausualorordinarylevelorstandardTheaverageageoftheboysinthisgradeisten.Hedrivesatanaveragespeedof100milesperhour.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.itemn.asinglearticleorobjectThepoliceexaminedseveralitemsofclothing.Doyouknowiftheylikethisnewitem?Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.factn.somethingthatyouknowhashappenedoristrueItisafactthatsmokingisadangertohealth.Beforewemakedetailedplans,weneedsomemorefactsandfigures.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.scientistn.apersonwhostudiesscienceorworkswithscienceThatboy’sambitionistobeascientist.Whencanscientistsconquercancer?Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.fightern.apersonwhofightsThemanisarealfighter.Henevergivesup.AssoonasIwalkedintothelivingroom,Isawapictureoffightersonthewall.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.productn.somethingthatpeoplemakeorgrowtosellMybikeisahomeproduct.CoffeeisBrazil’smainproduct.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.naturaladj.producedby/concernedwithnatureMenoftenhavetofacenaturaldisasters.Itisnaturalthatsuchahard-workingstudentshouldpasstheexam.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.airconditionern.apieceofelectricequip-mentthatmakestheairinsideabuilding,room,orvehiclecolderorwarmerThisnewstyleofairconditionerisnoiseless.AnAir

conditionermakesusfeelmorecomfortableinsummerandwinter.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.interestedadj.wantingtoknowmoreaboutsomethingorsomebodyItriedtotellhimaboutit,buthewasnotinterestedatall.(be)interestedinWhyareyousointerested

infootball?Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.notebookn.asmallbookwhereyouwritethingsthatyouwanttorememberI’vewrittendownallthenewwordsIdon’tknowinthenotebook.Wedon’tknowwhereheputhisnotebook.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.supposev.thinksomethingtobetrueScientistssupposedthatlargedinosaurslivedinswamps.Isupposepriceswillgodown.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.breathev.takeinorletourairthroughyournoseandmouthTheairwassocoldthatwecouldhardlybreathe.Mostpeopledon’trealizethattheyarebreathingpollutedair.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.pureadj.cleanandnotcontaininganyharmfulsubstancesTheairwassweetandpure.Theairbytheseaispurerandhealthier.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.gasn.anythingthatislikeairThereareseveralkindsofgasintheair.Whenweboilwater,itturnsintogasandwecallitsteam.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.releasev.letout;letsomething/somebodygofreeTreestakeincarbondioxideandreleaseoxygenintotheair.Fourprisonerswerereleased.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.oxygenn.agaspresentinairandessentialforlifeThereisashortageofoxygenatthetopofthemountain.Nolivingthingscanlivewithoutoxygen.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.hectaren.aunitformeasuringanareaoflandOurschoolcoversanareaof73hectares.1hectareequalsto10,000squaremetres.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.producev.makeorgrowsomethingGascanbeproducedfromcoal.Heraisedenoughmoneytoproduceanewfilm.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.aliveadj.living;notdeadAreyourgrandparentsstillalive?Onlyalittleboywasaliveintheaircrash.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.aswellasalso;tooThecaptain,aswellasthepassengers,wassaved.Hegrowsflowersaswellasvegetables.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.warnv.tellsomebodyaboutdangeroraboutsomethingbadthatmayhappenIwarnedhimnottogotooclosetothefireplace.IwarnyouthatI’malmostlosingpatience.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.protectv.keepsomebodyorsomethingsafeWearahattoprotectyourheadagainstthesun.Parentstrytoprotecttheirchildrenfromdanger.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.chemicaln.something(i.e.,asolid,liquidorgas)usedinchemistryHeisexperimentingwithanewchemical.Thiskindofchemicalisbadforourhealth.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.nastyadj.unpleasant;notniceThere’sanastysmellcomingfromthatsewer.Thecoffeehasanastytaste.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile.Copyright2004-2011AsposePtyLtd.j