冀教版八下Unit 8 Save Our World Lesson 47 Connected to Nature课件

Unit8ConnectedtoNatureLesson47 Thinkaboutit!•Doallthelivingthingsontheplanetdependononeanother.•Whatcanwedoforthenature? Haveyounoticedthiskindofrelationships? Haveyounoticedthiskindofrelationships? Ifthegrassisdestroyed,whatwillhappen? Howtoprotectthenature?Buildingnaturalreserve(自然保护区)PlantingtreesChangeourbadhabitsandbehaviors. Words&expressions Listenandread.Thenaturalworldisfilledwithlivingthings.Livingthingsstartoutweakandsmallandslowlygrowstrongandbig.Youarealivingthing.Eachofyourclassmatesisalivingthing.Flowers,grassandtreesarelivingthings,too. Bees,ants,doves,dogsandcats—thesearealllivingthings.Alllivingthingsneedfoodandwatertogrow.Thinkaboutyourself.Whenyouarehungry,youneedtoeat.Youeatfruit,vegetables,meatandfish.Theycanhelpyougrowbigandstrong.Youdrinkwaterwhenyouarethirsty.Nowthinkaboutatree.Whenatreeishungry,itgetsfoodfromthesoil.Treesdrinkwater,too. Wearedifferentinsomeways,butalllivingthingsareconnected.Weallliveonthesameplanet,andwedependoneachother.Ifwepollutetheriversandoceans,fishmaygetsickorevendie.Somebirdsliveofffish.Ifthebirdseatthesickordeadfish,theymaydieoff.Natureisabalancebetweenallthelivingthingsonthe planet.Ifonespeciesdiesoff,thenanotherspeciesmaydieoff,followedbyanother,andanother...Weshouldrespecttheearthandallthelivingthingsonit. Languagepoints Livingthingsstartoutweakandsmallandslowlygrowstrongandbig.生物开始时很弱小，慢慢变得强大起来。startout意思是“启程，出发；开始或着手做……”。例如：Danisasuccessfulbusinessmannowwhostartedoutasasalesman.丹现在是个成功商人，他是从做推销员起步的。Westartedoutbydiscussingthebestwaytohelpthegirlswhoaretrapped.我们首先讨论救出那些受困女孩的最佳办法。 2.Ifwepollutetheriversandoceans,fishmaygetsickorevendie.如果我们污染了河流和海洋，鱼就会生病甚至死亡。get此处相当于动词be的用法，后面跟形容词sick作表语。例如：Hedidn’tgethurt.他未受伤。Thecargotstuckinthemud.车陷到泥里了。 3.Somebirdsliveofffish.一些鸟以鱼为生。liveoff意思是“以……为食，以……为生，依赖……生活”。例如：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。 4.Ifthebirdseatthesickordeadfish,theymaydieoff.如果鸟类吃了病鱼或者死鱼，它们就有可能灭绝。dieoff意思是“相继死去；灭绝”。例如：Ashegrewolder,hisrelativesalldiedoff.随着他年龄的增长，亲人相继死去了。Thechickensarealldyingofffromthedisease.鸡一个个地病死了。Ifthesnowstormdoesnotstop,thecattlewilldieoff.如果暴风雪不停，很多牲畜就要死掉。 Theleavesofthisplantaredyingoff.这株植物的叶子正在凋落。Ifwedonottakeactionimmediately,therarespecieswilldieoffsoon.如果我们不立即釆取行动这些稀有物种很快就会灭绝。 die还有很多的固定搭配，在使用时要注意它们的区别：l)dieof“死于……，因……而死”，主要指疾病、衰老等自身的原因。例如：Hediedofaheartattack.他死于心脏病发作。Hergrandfatherdiedofcancer.他祖父死于癌症。3)dieout“（家族、种族、习俗、观念等）灭绝,绝迹”。例如：Manyoldcustomsaredyingout.许多旧习俗正在消失。 3)diefrom“死于……，因……而死”，主要指事故等方面的外部原因。例如：Manyvillagersdieeveryyearfromsnakebites.每年都有许多村民被蛇咬死。Hisfatherdiedfromthatearthquake.他父亲死于那次地震。但是在实际运用中，两者混用的情况较多。 4)dieaway“（声音、风、光线等）渐息，渐弱”。例如：Thebreezehasdiedaway.微风渐渐停了。Thesoundofthecardiedawayinthedistance.汽车的响声消失在远处。5)diedown“(慢慢)熄灭，平静下来”。例如：Thefiredieddown.火慢慢熄了。Hisangerhasdieddownabit.他的怒气已消了一点。 Readthelessonandputthesesentencesinthecorrectorder.Let’sDoIt!1Alllivingthingsareconnected.Weshouldprotecttheenvironment.Livingthingsliveintheworld.Alllivingthingsneedwaterandfoodtogrow.3412 1.Hismotherhasbeen______fortenyears.2.Peopleshould_______andunderstandeachother.3.Don’talways_______others.Youshouldhaveyourownideas.4.Weare__________bytheInternet.5.Thetrees_______out,andthisplacebecameadesertFillintheblankswiththecorrectformsofthewordsinthebox.2respectconnectdiedeadfollowdeadrespectfollowconnecteddied Manyyearsago,thereweremoreanimalspeciesthantherearenow.Thereweremanyforests.Theriverswereclean.Theskywasblue.Birdssangfrommorninguntilnight___Butlater,peoplecutdownthetreesintheforests,killedtheanimalsandbuiltfactoriesandbuildings._____People’shouseswereburiedbysoilinfloods.Someanimalslosttheirhomes,andtheyattackedpeople.Somefactoriespollutedtheair,waterandpeople’sReadthepassageandfillintheblankswiththesentencesbelow.3BD food.Theearthisgettingwarmer.Somescientistssaythesealevelwillrisebyatleast1metreinthenext100years._________Peoplearenowlivinginaworseandworseenvironment._______Weneedtoreducepollutionandprotectourenvironment.ACA.Somehousesbesidetheseawilldisappear.B.Peoplelivedtogetherwithmanykindsofanimals.C.Weshoulddosomethingtosaveourworld.D.Theychangedtheearth. TimeforReflectionstartoutIt’sourdutyto…启程，出发；开始做…………是某人的职责/义务 Exercise 1.Thecityisveryclean.Peopleneverthrowrubbishinthestreet.A.paperB.garbageC.pollutionD.Food2.Thereabitofrainlastmonth.A.abitB.apieceofC.alittleD.afew选择同义 3.Everydayhehasalotofhomeworktodo.A.manyB.muchC.lotofD.abitof4.Let’sgettoworknow.A.stopB.startC.haveD.enjoy5.Whydon’twegototheparkbybike?A.WhynotB.WillyouC.WhyD.Whyshouldwe Exercises:Fillintheblanks1.Itwouldbefun_________(play)outside.2.That____(be)whyIlikeEnglish.3.Whydon’tthey_____(come)abitearlier?4.Wecanfinish_______(clean)inanhour.5.Lastweek,Danny______(lose)thebook.6.Garbageisanotherwayof________(say)rubbish.toplayiscomecleaninglostsaying HomeworkAfterstudyingthislesson,trytomakesomechangestobekindtothenature.