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ConnectedtoNatureUnit8SaveOurWorld!1.Beabletousethewordsandphrases:bee,ant,dove,die,dead,species,respect,befilledwith,startout,dependon,liveoff,dieoff2.Learnthatallthelivingthingsontheplanetdependononeanotherandlearntoprotectourworld3.Learnsomekeysentences:·Thenaturalworldisfilledwithlivingthings.·Livingthingsstartoutweakandsmallandslowlygrowstrongandbig.·Ifwepollutetheriversandoceans,fishmaygetsickorevendie.·Somebirdsliveofffish.·Ifthebirdseatthesickordeadfish,theymaydieoff.·Weshouldrespecttheearthandallthelivingthingsonit.Observethepicturesandcontentsbelowandhowyoufeel.environmentpourdirtywaterintotheriversandoceansthrowwasteawaywastepollutionworseandworsenoisepollutionairpollutionwaterpollutionhumandrivemorecarscarsandbusestrafficjamwastegasmakenoiseairpollutionnoisepollutionserious(严重的)factoriespourdirtywatersealakeriveroceanfishdiepeoplesickwaterpollutionseriousPeoplethrowawaymetalglasspaperplasticclothesfoodwastepollutionseriousWoodcuttingfurcoatTheyarekillingtheanimalsforskins.beeantdovediedeadspeciesrespectn.蜜蜂n.蚂蚁n.鸽子v.死adj.死的n.物种；种类v.尊敬；敬重befilledwithstartoutdependonliveoffdieoff充满……启程，出发；开始做依赖以……为食；以……为生相继死去；灭绝•Doallthelivingthingsontheplanetdependononeanother？•Whatcanwedofornature？Thenaturalworldisfilledwithlivingthings.Livingthingsstartoutweakandsmallandslowlygrowstrongandbig.Youarealivingthing.Eachofyourclassmatesisalivingthing.Flowers,grassandtreesarelivingthings,too.Bees,ants,doves,dogsandcats—thesearealllivingthings.Alllivingthingsneedfoodandwatertogrow.Listenandreadthepassage.Thinkaboutyourself.Whenyouarehungry,youneedtoeat.Youeatfruit,vegetables,meatandfish.Theycanhelpyougrowbigandstrong.Youdrinkwaterwhenyouarethirsty.Nowthinkaboutatree.Whenatreeishungry,itgetsfoodfromthesoil.Treesdrinkwater,too.Wearedifferentinsomeways,butalllivingthingsareconnected.Weallliveonthesameplanet,andwedependoneachother.Ifwepollutetheriversandoceans,fishmaygetsickorevendie.Somebirdsliveofffish.Ifthebirdseatthesickordeadfish,theymaydieoff.Natureisabalancebetweenallthelivingthingsontheplanet.Ifonespeciesdiesoff,thenanotherspeciesmaydieoff,followedbyanother,andanother…Weshouldrespecttheearthandallthelivingthingsonit.Alllivingthingsareconnected.Weshouldprotecttheenvironment.Livingthingsliveintheworld.Alllivingthingsneedwaterandfoodtogrow.3412Readthelessonandputthesesentencesinthecorrectorder.1Let’sDoIt!1.Hismotherhasbeen____fortenyears.2.Peopleshould_______andunderstandeachother.3.3.Don’talways_____others.Youshouldhaveyourownideas.4.4.Weare_________bytheInternet.5.5.Thetrees_____out,andthisplacebecamedesert.respectconnectdiedeadfollowrespectfollowconnecteddieddeadFillintheblankswiththecorrectformsofthewordsinthebox.2Readthepassageandfillintheblankswiththesentencesbelow.3Manyyearsago,thereweremoreanimalspeciesthantherearenow.Thereweremanyforests.Theriverswereclean.Theskywasblue.Birdssangfrommorninguntilnight.______Butlater,peoplecutdownthetreesintheforests,killedtheanimalsandbuiltfactoriesBandbuildings.______People'shouseswereburiedbysoilinfloods.Someanimalslosttheirhomes,andtheyattackedpeople.Somefactoriespollutedtheair,waterandpeople'sfood.Theearthisgettingwarmer.Somescientistssaythesealevelwillrisebyatleast1metreinthenext100years.______DAPeoplearenowlivinginaworseandworseenvironment.______Weneedtoreducepollutionandprotectourenvironment.A.Somehousesbesidetheseawilldisappear.B.Peoplelivedtogetherwithmanykindsofanimals.C.Weshoulddosomethingtosaveourworld.D.Theychangedtheearth.C1.Thenaturalworldisfilledwithlivingthings.befilledwith充满……它相当于befullof。例：Myfather'sstudyisfilledwith/fullofbooks.我爸爸的书房里满是书。2.Livingthingsstartoutweakandsmallandslowlygrowstrongandbig.startout意为“启程，出发，开始或着手做”。例:Westartedoutbypreparingforthesportsmeeting.我们通过为运动会做准备开始的。3.Ifwepollutetheriversandoceans,fishmaygetsickorevendie.(1)【辨析】sick与ill①sick生病的，不舒服的。其为形容词，在句中既可作表语，也可作定语。例：Thesickgirlaskedforaday'sleave.那个生病的女孩请了一天的假。②ill生病的。作此义讲时，在句中只能作表语。例：Heisseriouslyillandunlikelytorecover.他病得非常厉害，不大可能康复了。(2)diev．死。为非延续性动词，用于完成时时不能与时间段连用。其过去式为died，现在分词为dying。常用短语：dieof死于(疾病、饥饿等原因)；diefrom死于(寒冷、事故等外部原因)。dieoff相继死去，灭绝；dieout灭绝。例：Inthepast，manypeoplediedofstarvationduringthefamine.过去发生饥荒时，许多人都会饿死。4.Somebirdsliveofffish.liveoff意思是“以……为食；以……为生；依赖……生活”。例：Weshouldnotliveoffourparentsallourlife.我们不能一辈子都依靠父母生活。MostoftheAsiansliveoffrice.多数亚洲人以大米为主食。5.Ifthebirdseatthesickordeadfish,theymaydieoff.dieoff意思是“相继死去；灭绝”例：Ashegrewolder,hisrelativesalldiedoff.随着他年龄的增长，亲人相继死去了。Thechickensarealldyingofffromthedisease.小鸡一个个地病死了。Theleavesofthisplantaredyingoff.这株植物的叶子正在凋落。die还有很多固定搭配，在使用时要注意它们的区别：dieof“死于……；因……而死”，主要指疾病、衰老等自身的原因。例：Hediedofaheartattack.他死于心脏病发作。diefrom“死于……；因……而死”，主要指事故等方面的外部原因。例：Manyvillagersdieeveryyearfromsnakebites.每年都有许多村民被蛇咬死。6.Weshouldrespecttheearthandallthelivingthingsonit.respectv．尊敬；尊重。其形容词为respectable(值得尊敬的；受人尊敬的)。例：Weshouldrespecttheoldandlovetheyoung.我们应该尊老爱幼。1.Ifthesnowstormdoesnotstop,thecattlewill_______(相继死掉).2.2.Atiger_______(以……为生)somesmallanimals.3.3.Theexpedition(探险队)__________(出发)beforesunrise.4.4.Allstudentsshouldr______theirteachers.li