Module1Unit1P7Morepractice课件牛津上海版英语八年级下册

M1NatureandenvironmentTreesMorepracticeU1HaveafreetalkWhatdoyouknowabouttreesafterlearningPollutionFighters?Whatcanwegetfromtrees?Pleaselistsomethingsthatweuse,eat,drinkorwear.Whatdoes‘org’standfor?Organization.LookandsayWhatkindoforganizationisTreesforLife?EnvironmentalprotectionorganizationWhatcanyoulearnfromthelogoofTreesforLife?Para1Para2Para3&4Read,dividetheletterinto3partsandunderlinethetopicsentence

TreesforLifeismakingadifference.haveaneffectonsth.Treesworkhardfor

us.Morethanhalfofthetreeshavebeendestroyed.Moretreesarebeingcutdownthanplanted.PartsTopicsentences

ArethereanydetailssimilartowhatDrRaytoldJudy?Givesomeexamples.ReadandfindoutTreesdoalotofthingsforpeople.Treesareingreatdanger.Whatcantreesdoaccordingtotheletter?(paragraph1)Readandfindoutcleantheair&coolourcitiesremovedustproducetheoxygenreducesoundpollutionforlargeurbanareasaddbeautytocitiespreventsoilfrombeingwashedawayprovidefoodandshelterforbothhumansand

animalssupplymaterialforhouses,furniture,paper

products,etc.provideimportantingredientsformedicines[ˈɜːbən]GivingexamplesReadandfindoutQ：Whatcanyoulearnfromthesenumbers?Thespeedoftreesdisappearingismuchfasterthanthatofpeopleplantingtrees.Makingcomparisons作比较Inthelast200years,morethanhalfofallthetreesontheEarthhavebeendestroyed.Foreverytreebeingplantedtoday,30treesarebeingcutdown.Weneedmoretrees!providingdataQ:WhatdoesTreesforLifedo?①Itplantstreesandtakescareoftrees.TreesforLifeismakingadifference.Weplanttreesandtakecareofthemtohelpprotectourenvironment.Wewarmlywelcomeanyonewhowouldliketojoinusinthisproject.Wewanttoplant100milliontreesinthenext10years.Ifyouwanttofindoutmoreaboutus,pleasesendusane-mailatinfo@.ReadPara.3andanswerWhydoesthewriterleaveane-mailaddress?②Anditcallsonmorepeopletojoinintheprojectofplantingtrees.Whatkindofprojectisit?Thetree-plantingproject.ReadPara.4anddiscussQ:Whatislotsfun?Q:Whatislotsfun?Whatisthepurposeofthisletter?ThinkandsayWhatkindofletterisit?Tocallonpeopletojointhetree-plantingproject.Aformalappeal.

呼吁WhowroteitWhowillreaditWhythewriterwroteitWhatthewritercalledonpeopletodoAformalappealletter.

呼吁信Wouldyouliketojoininthetree-plantingprojectorganizedbyTreesforLife?Giveyourreasons.ThinkandsayTreesforLifemadeaverygoodappeal.Ithinkittellsusalotoffactsontrees.Treescannotonlyhelpfightpollution,butalsoprovideuswithalotofusefulthings

likematerialsforhouses,makingpaperproductsandingredientsformakingmedicines.

Infact,thevalueofestatescanbehigheriftheenvironmentaroundiswonderful.

ThenewscamethatinAustralia,morethantenmillionhectaresofforestswereburnedanddestroyedinthehugefire.

IftheAustraliansstillreplaceanyinthoseburntareas,howcanthenaturalenvironmentrecoverfromsuchabigfire.

AlsoinChina,forestscoveredtwentysevenpercentoftheland.Althoughitisagreatsuccessaftersomanyyearsofhardwork,

comparedwithJapanandCanada,thenumberisstilllow.

Asastudent,

Ireallywanttohelpwiththetreesandforestsontheearth.IwilljoininthetreepartyprojectorganizedbyTreesfor

Life.BeforeIreadtheletter,Ididn'trealizetreesaredisappearingthatfast.Thenumbersinthesecondparagraphoftheletterreallyshockedme.Ialsolearnedbeforethatinsomecountries,theycutdowntreesbecausetheydidn'thaveplentyoffarmland.Butafter,theycutallthetrees.Theydidn'tgetfarmland.Instead,theygotdessertswithouttreesprotectingtheland.Thereareaboutthreetofourthousandtreesinahectareofforest.Ifwecanplantonehundredmilliontreesinthenexttenyears,wewillgetalmostthirtythousandhectaresofforests.It'saboutthreehundredsquarekilometers.Idon'tthinkit'senough.

weneedmoretrees.Ifeveryonegivesahandinplacingtrees,theearthwillbegreener,theskywillbebluer,andtheairwillbepurer.IhopeIwillbeamemberofTreesforLife.DearfriendsTreesareourfriends.Theyworkhardforus.Theycleantheairandcoolourcities.Theyremove

dustandproducetheoxygenwebreathe.Treesreducesoundpollutionforlargeurbanareasandaddbeautytocities.Withouttrees,soilwouldbewashedawayandtherewouldbenofoodforustoeat.Withouttreescoolingtheair,theEarthwouldbetoohottoliveon.Treesprovidefoodandshelterforbothhumansandanimals.Theyalsosupplymaterialforhouses,furniture,paperproducts,etc.Sometreesevenprovideimportantingredientsformedicinesthatcureillnesses.Withouttrees,wewoulddie.Inthelast200years,morethanhalfofallthetreesontheEarthhavebeendestroyed.Foreverytreebeingplantedtoday,30treesarebeingcutdown.Weneedmoretrees!TreesforLifeismakingadifference.Weplanttreesandtakecareofthemtohelpp