Unit 1-Reading(I) 上海牛津英语8b

1,Natureandenvironment,Trees,Reading(I),1,Cartoontalk,Whatdoyouknowabout?,Beforeyouread,Read,CONTENTSPAGE,Cartoontalk,2-1,IfIplantthisseedintheground,willitbecomeapeartree,Hi?,Yes,Lo.,Thatsstrange.Itsanappleseed.,1,2,2-2,1,2,WhereareHiandLo?WhatsinLoshand?WhatdoesHithinkoftheseed?Whydoeshethinkso?Whatdoyouthinktheunitstopicwillbeabout?,Theyareinthegarden.,Itsanappleseed.,Itwillbecomeapeartree.,Lodidnttellhimitwasanappleseed.,Treesorplants.,Whatdoyouknowabout?,Beforeyoureadtheinterview,trythisonlinequiz.,Matchthepictureswiththewords.,()1whales()2humans()3trees()4mice()5tortoises,c,e,b,a,d,NEXT,10-1,1,2,3,4,5,6,7,8,9,10,Howlongdotheylive?Matchthelivingthingsontheleftwiththeaverageagesontheright.,NEXT,10-2,1,2,3,4,5,6,7,8,9,10,Whatdoespollutionmean?,Itmeanstheactionofmakingthingsdirtyandunhealthy.,Whichkindofpollutiondotreeshelpfight?airpollutionwaterpollutionnoisepollutionalloftheabove,Clickhereformoreinformation,10-3,1,2,3,4,5,6,7,8,9,10,NEXT,Airpollution:Theleavesoftreesremovedangerouschemicalsanddirtfromtheairandproduceoxygen.Waterpollution:Treesaroundreservoirshelpkeepthewatercleanbyremovingdustanddirtfromtheair,andtheirrootspreventthesoilfrombeingwashedintothewater.Noisepollution:Treesreducethenoisemadebytraffic.,10-4,1,2,3,4,5,6,7,8,9,10,Whichofthefollowingitemscomefromtrees?nutsbeanscottonoiltearubber,Clickhereformoreinformation,10-5,1,2,3,4,5,6,7,8,9,10,nuts,e.g.,walnuts,colanuts(usedincola)beans,e.g.,coffee,cocoa(usedtomakechocolate)Cottonplantsareplantedfresheveryyearintropicalandsubtropicalareas.Cottonisusedtomakefabrics.oil,e.g.,coconutoil,palmoilTeaismadefromleaves.Rubberismadefromthesapoftherubbertree(latex).,NEXT,10-6,1,2,3,4,5,6,7,8,9,10,Thebest-knowntreesinShanghaiaremagnoliatrees.Theirlarge,sweet-smellingflowersareknownasthecityflowersofShanghai.Whichpictureshowsamagnoliatree?,abc,Clickhereformoreinformation,10-7,1,2,3,4,5,6,7,8,9,10,Thebananatree(a)isusuallycalledatree,butitisnotreallyonebecauseitstrunkisnotmadeofwood.Itproducesfruitanditsleavescanbeusedasroofingmaterial.,10-8,1,2,3,4,5,6,7,8,9,10,10-9,Therearemanydifferentkindsofpalmtrees(b).Thecoconutpalmproducescoconutswhoseoutsideshell(thehusk)canbemadeintoropesorburnedforfirewood.Themilkcanbedrunkandthefleshofthecoconutcanbeeaten.Oilpressedfromthefleshisusedbothforcookingandinskincreams.Theleavesareusedtomakebrooms.,1,2,3,4,5,6,7,8,9,10,10-10,Magnoliatrees(c)aresmalltomedium-sizedtreesnotedfortheirlarge,showyblossomsinearlyspring,andlargeleaves.,1,2,3,4,5,6,7,8,9,10,Beforeyouread,ABeforeyoureadtheinterview,lookatthetitle,theintroductionandthepictures.,Judyiscollectingsomefactsforaclassprojectonpollution.SheisinterviewingDoctorRay,ascientist,abouttrees.,3-1,1,2,3,BDonotreadthewholeinterviewyetanddecidewhetherthefollowingstatementsareT(true)orF(false).,Thepollutionfightersareprobablyscientists.T/FManyusefulproductscomefromtrees.T/FTreesarenaturalairconditioners.T/FTreescanpassinformationtooneanother.T/F,1,2,3,3-2,CScantheinterviewandcheckifyouhavegotthecorrectchoicesaboutthefollowingstatements.,Thepollutionfightersareprobablyscientists.T/FManyusefulproductscomefromtrees.T/FTreesarenaturalairconditioners.T/FTreescanpassinformationtooneanother.T/F,1,2,3,3-3,Read,Judyiscollectingsomefactsforaclassprojectonpollution.SheisinterviewingDoctorRay,ascientist,abouttrees.,5-1,1,2,3,4,5,JUDYWhyareyousointerestedintrees,DoctorRay?DRRAYTheyrethebiggestandoldestlivingthingsontheEarth,Judy.JUDYYes,butwhatgoodaretrees?Theymakestreetsmorebeautifulandlessnoisy,butwhatelsecantheydo?DRRAYWell,thewoodinyourpencil,therubberontheendofyourpencil,thepaperinyournotebookandthefruitinyourbowlallcomefromtrees!And,Isupposeyoualsoenjoybreathingpure,coolair.JUDYOfcourse.,5-2,1,2,3,4,5,DRRAYThenyoumustthanktreesforthattoo.Theytakeharmfulgasesfromtheair,andreleaseoxygenbackintotheair.Howmanypeoplearethereinyourclass,Judy?JUDYForty-six.DRRAYWell,oneandahalfhectaresoftreescouldproduceenoughoxygentokeepyourwholeclassaliveandhealthyforawholeyear.JUDYThatswonderful!DRRAYTreescooltheairaswellascleanit.Theyarenaturalairconditioners.Threetreescandothejobof15airconditionersrunningalmostallday.,5-3,1,2,3,4,5,JUDYYoucertainlyknowalotabouttrees,DoctorRay.DRRAYThankyou,Judy,butIdont,really.Scientistsareonlynowbeginningtounderstandthem.Forexample,wheninsectsattackatree,itcanwarnitsneighbours.Thetreescanthenprotectthemselvesbyproducingachemicalthatmakestheirleavestastenasty.Andsometreescanjointheirrootstogetherunderground,andpassfoodandwatertoeachother.Treesarecommunicatingwithoneanother,butwedontknowhow.,5-4,1,2,3,4,5,JUDYAretreesindanger?DRRAYIngreatdanger.Wecutdownandburnmillionseveryyear,butwereplacehardlyanyofthem.Wearedestroyingourbestfightersagainstpollution.,5-5,1,2,3,4,5,Consolidation,Workbook8B,page1.,average,/vr/,adj.,aroundausualorordinarylevelorstandard,Theaverageageoftheboysinthisgradeisten.Hedrivesatanaveragespeedof100milesperhour.,item,/atm/,n.,asinglearticleorobject,Thepoliceexaminedseveralitemsofclothing.Doyouknowiftheylikethisnewitem?,fact,/fkt/,n.,somethingthatyouknowhashappenedoristrue,Itisafactthatsmokingisadangertohealth.Beforewemakedetailedplans,weneedsomemorefactsandfigures.,scientist,/santst/,n.,apersonwhostudiesscienceorworkswithscience,Thatboysambitionistobeascientist.Whencanscientistsconquercancer?,fighter,/fat(r)/,n.,apersonwhofights,Themanisarealfighter.Henevergivesup.AssoonasIwalkedintothelivingroom,Isawapictureoffightersonthewall.,product,/prdkt/,n.,somethingthatpeoplemakeorgrowtosell,Mybikeisahomeproduct.CoffeeisBrazilsmainproduct.,natural,/nrl/,adj.,producedby/concernedwithnature,Menoftenhavetofacenaturaldisasters.Itisnaturalthatsuchahard-workingstudentshouldpasstheexam.,airconditioner,/ekndn(r)/,n.,apieceofelectricequip-mentthatmakestheairinsideabuilding,room,orvehiclecolderorwarmer,Thisnewstyleofairconditionerisnoiseless.AnAirconditionermakesusfeelmorecomfortableinsummerandwinter.,interested,/ntrstd/,adj.,wantingtoknowmoreaboutsomethingorsomebody,Itriedtotellhimaboutit,buthewasnotinterestedatall.,(be)interestedin,Whyareyousointerestedinfootball?,notebook,/ntbk/,n.,asmallbookwhereyouwritethingsthatyouwanttoremember,IvewrittendownallthenewwordsIdontknowinthenotebook.Wedontknowwhereheputhisnotebook.,suppose,/spz/,v.,thinksomethingtobetrue,Scientistssupposedthatlargedinosaurslivedinswamps.Isupposepriceswillgodown.,breathe,/bri:/,v.,takeinorletourairthroughyournoseandmouth,Theairwassocoldthatwecouldhardlybreathe.Mostpeopledontrealizethattheyarebreathingpollutedair.,pure,/pj(r)/,adj.,cleanandnotcontaininganyharmfulsubstances,Theairwassweetandpure.Theairbytheseaispurerandhealthier.,gas,/s/,n.,anythingthatislikeair,Thereareseveralkindsofgasintheair.Whenweboilwater,itturnsintogasandwecallitsteam.,release,/rli:s/,v.,letout;letsomething/somebodygofree,Treestakeincarbondioxideandreleaseoxygenintotheair.Fourprisonerswerereleased.,oxygen,/ksn/,n.,agaspresentinairandessentialforlife,Thereisashortageofoxygenatthetopofthemountain.Nolivingthingscanlivewithoutoxygen.,hectare,/hekte(r)/,n.,aunitformeasuringanareaofland,Ourschoolcoversanareaof73hectares.1hectareequalsto10,000squaremetres.,produce,/prdju:s/,v.,makeorgrowsomething,Gascanbeproducedfromcoal.Heraisedenoughmoneytoproduceanewfilm.,alive,/lav/,adj.,living;notdead,Areyourgrandparentsstillalive?Onlyalittleboywasaliveintheaircrash.,aswellas,also;too,Thecaptain,aswellasthepassengers,wassaved.Hegrowsflowersaswellasvegetables.,warn,/w:n/,v.,tellsomebodyaboutdangeroraboutsomethingbadthatmayhappen,Iwarnedhimnottogotooclosetothefireplace.IwarnyouthatImalmostlosingpatience.,protect,/prtekt/,v.,keepsomebodyorsomethingsafe,Wearahattoprotectyourheadagainstthesun.Parentstrytoprotecttheirchildrenfromdanger.,chemical,/kemkl/,n.,something(i.e.,asolid,liquidorgas)usedinchemistry,Heisexperimentingwithanewchemical.Thiskindofchemicalisbadforourhealth.,nasty,/n:st/,adj.,unpleasant;notnice,Theresanastysmellcomingfromthatsewer.Thecoffeehasanastytaste.,join,/n/,v.,bringorfixonethingto