Unit(1)NatureintheBalanceWeletotheunitReading课件高中英语译林版（2020）((1))

TheAmazonrainforest:anaturaltreasureReadingListenandthink:Whatdoesthisvideoappealtopeople?

Lead-inWhatdoyouthinkthisscriptisaboutjudgingfromthetitleandthepictures

?

Lead-intheAmazonjungleplantsanimalsnaturaltreasuresvaluabledependontherainforestandfoodunusualPara1Para2Para3Para4Para5Matchthemainideaofeachparagraph.

IntroductiontotheAmazonrainforestBasicinformationabouttherainforestPlantbiodiversity：levelsoftherainforest（plants）Animalbiodiversity：foodchain

（birdsandanimals）Therainforest’svaluetothehumanrace;threatstotherainforest

Fast-reading

Fast-reading

AnalyzingthestructurePlantbiodiversityDifferentlevelsAnimalbiodiversityFoodchainImportanceDangerThe____________andthe_______oftheAmazonrainforest.importance/significancedangerWhatisthegeneralideaofthispassage?

Fast-reading86million6,40040,0001,30040020%17%PleasereadPara2-5carefullyandfillintheblanksbelow.(P4)Numbers/Statistics1.Whataretheyintheblanks?

While-reading2.What’sthefunctionofstatistics（数据）indocumentaryscripts?

Statisticscanmakethefactsmore

(有说服力的）,

（给人印象深刻的）and

（有说服力的）.convincingimpressivepersuasiveReadpara.2carefullyandfillintheblanksbelow.Ithas

ontheEarth.8countriesandoneoverseasregionlocationsizeorigintheAmazonRiver,about6,400kminlengtharound6millionsquarekilometresofforest

While-readingtherichestbiodiversity

Readpara.3andfigureoutdifferentlayers(层次)oftheforest.asystemofrootsTheforest’sdifferentlevelssupportanunbelievablevarietyofwildlife.thetopsofthetallesttreesthemassofleaflittershorterplantswithlargeleavestoweringancienthardwoods

While-readingAtthebottomAbovethatThenextlevelThenFinallythetopsofJaguarsAtleast87species,includingfrogsLeavesandfruitMicroorganismsfeedon

breakdownfeedon

feedon

nutrientInsectsCircular循环的Readpara4andcompletethechartaboutthefoodchainintherainforest.

While-readinglungsoftheplanet1.Whatisthefunctionoftherainforesttous?fixcarbonproduceoxygenatreasurehouseofspecies2.Whatisthemajordangertotherainforest?usingmetaphors/ˈmetəfə(r)/隐喻us/humanbeings

While-readingReadpara.5Importance&DangerBasicinformationlocationandsizeName:gettingitsnamefrom(1)____________richest(2)____________AmazonrainforestAnimalsmorethan1,300speciesofbirdsandover400speciesof(5)__________elementsofthisforest’s(6)_______________Plantsmorethan40,000(3)______________different(4)_______oftheforestSignificancefixcarbonandproducing(7)________havingspeciesusedfor(8)______________________

Dangerthemajordanger:(9)________________disappearingduetohumanactivitiessuchas(10)____________andcattlefarmingtheAmazonriverbiodiversityplantspecieslevelsmammalsfoodchainoxygenfoodormedicineus/humanbeingsagriculture

MindmapConsolidation1．What'sthemainideaofthepassage?A．TheAmazonrainforestisthelargestrainforestintheworld.B．TheAmazonrainforestgivestherichestbiodiversityontheearth.C．TheAmazonrainforestisanaturaltreasurehouseontheearth.D．TheAmazonrainforestisknownasthe“lungsoftheplanet”．2．WhichofthefollowingstatementsabouttheAmazonrainforestisFALSEaccordingtothepassage?TheAmazonrainforestplaysanimportantpartinkeepingthebalanceofhumanandnature.B．TheAmazonrainforestcrossesintosevencountries，includingBrazilandPeru.TheareaoftheAmazonrainforestisaround6millionsquaremeters，morethanhalfthesizeofChina.D．TheAmazonrainforestisnamedaftertheAmazonRiver,whichiscloseto6，400kilometersinlength.Consolidation3．Whatcanbeinferredfromthethirdparagraphinthepassage?A．Thereareonly390，000speciesofplantsontheearth.B．DifferentspeciesofplantsinAmazonrainforestgrowindifferentlevels.C．AtthebottomoftheAmazonrainforestgrowsomebushes.D．TheancientBrazilnuttreeandthewaterlilies