2024新版2026春人教版英语八年级下册教学课件：Unit4第7课时（Project Reading Plus）

Unit4TheWondersofNature第7课时（Project&ReadingPlus）R·八年级下册LeadinWhatnaturalwondersarethey?theGreatBarrierReefMountQomolangmatheMarianaTrenchtheSaharaDeserttheYangtzeRivertheYellowRiverWhatspecialfactsdoyouknowaboutthesenaturalwonders?Chooseoneandsharewithus.theGreatBarrierReefMountQomolangmatheMarianaTrenchtheSaharaDeserttheYangtzeRivertheYellowRiverProjectWorkinagroup.Chooseanaturalwonder(ariver,lake,mountain,forest,waterfall,etc.).Thendosomeresearchandmakenotes.4a小组合作。选择一处自然奇观（河流、湖泊、山脉、森林、瀑布等）。然后进行调研并做笔记。DesignaposteraboutanaturalwondernamelocationandsizeplantsandanimalsspecialfactsMakeaposteraboutthenaturalwonderyouchose.Refertotheexampleontheright.4bWhatinformationcanyougetfromthetitleandthepictures?Readandanswerthequestions.theworld’sbiggestrainforest6millionsquarekilometresinsizeinBrazil,Peru,Colombia,andfiveothercountriescalled“thelungsoftheearth”thelargestvarietyofplantsandanimalsintheworld巴西，秘鲁，哥伦比亚肺种类avarietyof各种各样的What’sthenaturalwonder?Whatsizeisit?What’sitslocation(位置)?AmazonRainforest.InBrazil,Peru,Colombia,andfiveothercountries.It’s6millionsquarekilometresinsize.Readandanswerthequestions.Whatspecialfactsdoyouknowaboutit?Readandanswerthequestions.It’sworld’sbiggestrainforest.It’scalled“thelungsoftheearth”.It’sthelargestvarietyofplantsandanimalsintheworld.Sampleposter•thelargestwaterfallinChina•locatedinGuizhouProvince•101metreswideand77.8metreshigh•roaring（咆哮的）waterrushesdowneverysecond•peoplecanwalkrightbehindthewaterfallthroughanaturalcaveHuangguoshuWaterfallAsagroup,giveareporttotheclass.Payattentiontotheuseoflargenumbers,comparatives,andsuperlatives.4cTheAmazonRainforestistheworld’sbiggestrainforest.Itcovers6millionsquarekilometres.Youcanseemostofitinthreecountries,Brazil,Peru,andColombia…SampleGoodmorning,class!Todaywe’dliketointroduceyoutoHuangguoshuWaterfall—thelargestwaterfallinChina.LocatedinGuizhouProvince,HuangguoshuWaterfallis101metreswideand77.8metreshigh.Themainwaterfallaloneismuchwiderthanmanysmallwaterfallsnearby!Everysecond,

roaringwaterrushesdown—it’slikeahugewhitecurtainfallingfromthesky.

WhatmakesHuangguoshuWaterfallevenmorespecialisthatyoucanwalkrightbehindthewaterfallthroughanaturalcave.Thisgivestravellersamuchmoreexcitingexperiencethanwatchingfromadistance.HuangguoshuWaterfallattractsmillionsofcurioustravellerseachyear.Ifyouwanttoexperiencethegreatestpowerofnature,HuangguoshuWaterfallisthebestplacetovisit!

Thankyouforlistening!FreetalktheSaharaDesertWhatdoyouknowabouttheSaharaDesert?locationsizegeographylife…Readthetextandcompletethemindmap.1AgeSaharaDesertSizeatleast4.6millionyearsoldGeographyLocationGrowthLifemostplacesarerocky;somehavegrass,lakes，mountainsandevensandseasinAfricaabout10percentlargerthanwhatitwasaboutacenturyagodifficultabout9millionsquarekilometresDiscussthequestions.21.Howislifeinthedesertdifferentfromotherplaceswherepeoplelive?Lifeinthedesertismuchharder.Firstofall,

itishardtofindwater,

andpeopleusuallymovefromplacetoplace.What’smore,theweatherinthedesertisverydryandhot.Inotherplaces,

peopleusuallyhavestablehomesandenoughwater.Theweatherisbetterthanthatinthedesert.2.WouldyouliketovisittheSaharaDesertorevenlive

thereforawhile?

WhyorWhynot?IwouldliketovisittheSaharaDesert.BecauseIwanttoseeitsamazinglandscapes,likesandseasandtherockyground./Idon’twanttolivethere.Becauseit’stoohotanddifficulttofindwater.3.WhatdoyouthinkwillhappeniftheSaharakeeps

gettingbigger?Whatshouldwedoaboutit?IftheSaharakeepsgettingbigger,Ithinkmorelandwilldryup,andpeopleandanimalstheremaylosetheirhomes.Weshouldtakeeffectivemeasures,suchasreducingpollution,plantingmoretrees,andsavingwater.（答案不唯一，仅供参考）LocatedinAfrica,theSaharaDesertspreadsacross30percentofthecontinent.Thisvastdesert,alsoknownas“thegreatdesert”inArabic,isabout9millionsquarekilometresinsize.Itisalsoatleast4.6millionyearsold.Thismeansthatitisoneoftheoldestplacesintheworld.TheSaharaDesertReadandlearn横跨；遍布大陆；陆地；洲辽阔的；巨大的阿拉伯语在尺寸上；在大小方面至少Alldesertsaredry,andtheSaharaisbothdryandhot.Itisthelargesthotdesertintheworld.Wemaythinkthatalldesertsarehot,butinfactsomedesertsareverycold!ManyscientistsbelievethatAntarctica,forexample,isatypeofcolddesert.一种MostoftheSaharaisrockyground.Buttherearealsoplaceswithgrass,lakes,mountains,andevensandseas.岩石的；多岩石的Asandseaisjustwhatitsoundslike—itlookslikeaseaofsand!Whenthewindblows,thesandlookslikewaves.LifeintheSaharaisdifficult.AbouttwomillionpeopleliveintheSahara.Theyusuallymovefromplacetoplace.ThereiswaterinafewpartsoftheSahara,andsomepeopleliveintheseplacesallyearround.what引导的表语从句，说明沙海是什么样的到处；从一个地方到另一个地方全年不定式作目的状语，说明大耳朵的作用Notmanyanimalscanliveinaplacewithsuchadryandhotclimate.Theymustadapttosurvive.Camels,forexample,goforalongtimewithoutdrinkingwater.Whentheydofindwater,theycandrinkmorethan100litresofitin13minutes!Fennecfoxesliveinthedeserttoo.Theyhavelargeearstohelptheirbodiesstaycool.适应（新情况）adaptto适应某物骆驼此处的do是强调助动词，当句中无其他助动词时，用于加强语气。升耳廓狐Today,theworld’slargesthotdesertisgettingevenbigger.Itisnowabout10percentlargerthanwhatitwasaboutacenturyago.Butwhyisitgrowing?Somescientistsbelievethatpartofthereasonisclimatechange.Astemperaturesrise,summersinAfricagrowhotterandlessrainfalls.Waterbodiesget