外研八下英语Unit 5 Developing ideas《自主学习》课件

自主学习DevelopingideasDevelopingideasWhichofthesecretsinterestsyoumost?DIDYOUKNOW?Natureisfullofsecrets,andwaitingforsomebodytoexplainthem.Theseincludeblackholes,thebeginningoftheuniverse,theLochNessMonsterandBigfoot.Thesesecretsawakenourcuriosityanddrivescientiststobetterunderstandthewondersaroundus.1Listentothetalkandchoosethecorrecttopic.aAdisappearingriverinSouthAmericabThelifeofthepeopleintheAmazonRainforestcAboilingriverintheAmazonRainforestPhoneticsinuseStressinwords(1)Awordcanbestressedondifferentsyllables.Ifwestressthesecondsyllable,thewordisusuallyaverb.Forexample,presentdescribesthetime,whilepresentdescribesanaction.Practisemore→p1002Listenagainandcompletetheprofile.Whatisit?A1_________riverashotas2_________.Whatdothelocalpeopledowithit?·They3_________withit.·Theycleanwithit.·Theymake4_________withit.·Theysometimes5_________init,butonlyafter6.as...as...像……一样……What‘sthespeaker’sopinion?It‘soneof7_________oftherainforest.LearningtolearnListeningforopinionsListeningPhrasessuchasIthink,IbelieveandIguessshowpeople’sopinions.Remember:peoplearesharingtheirideas,soyoudon‘thavetoagree.Butyoushouldlistentotheotherperson’sopinionsandbepolite.3Listentotheconversationandcompletethetable.Tourists‘idea

Theancientpeople‘sideaispossible.There’s1__________.Guide’sopinionsIt‘sunlikelyforthesunto2__________thatmuch.Tourists‘ideaPerhapstheriverpassesavolcanoand3__________?Guide’sopinionsThat’snotthereason.Thenearestvolcanoisabout4__________away.Tourists‘ideaMaybetherearesomechemicals5__________.Theycan6__________.Guide’sopinionsThat‘s7__________,butscientistshaven’tfoundanyyet.More8__________isneeded.Listenagain.Thentalkabouthowthespeakersdiscusspossibilities.LearningtolearnTalkingaboutpossibilitiesTalkingCould,mayandmightareusedtotalkaboutpossibilities.Wordssuchasmaybeandperhapsareused,too.WecanalsousethestructureIt‘scertain/(un)likely/possiblethat...4Workinpairs.Chooseoneunsolvedsecretinnatureandtalkaboutpossibleexplanations.AHaveyouheardof...?BYes,it‘sverystrange.I’mcuriousaboutthepossiblereasons.APerhapsit‘sbecause...Usefulexpressions→p104Talkaboutwhatyouhavelearntaboutthesecretsofnatureinthissection.becuriousabout...对……好奇Readingforwriting1Lookatthedrawingsoftheplantsandthephotosofthepainter.Thenanswerthequestions.Usethewordsandexpressionstohelpyou.WangWencaicollectingplantsinSichuaninAugust1963WangWencaistudyingplantsinBeijingin2011plantsstudydiscovercarryonwithlifelongexplorationloveofnature1Whatdoyouthinkthesedrawingsarefor?Thesedrawingsarelikelyforstudyingplants.Theyshowdetailsofplants,whichcanhelppeopleunderstandandresearchtheplants.2Whatkindofpersonmightthepainterbe?Thepaintermightbeaplant-lovingexplorerwithalifelongexplorationofplants.Hespendstimecollectingandstudyingplants,showingastrongloveofnature.（答案不唯一）2Readthepassageandcheckyouranswers.Plantsforlife1Naturepresentsuswithendlesswonders.Mostpeoplegetinterestedandaskquestions.Butonepersontookhisinterestallthewaytothefields.Hewasborninthefloweringseasonofearlysummer,andmadeplantshislife.Forover70years,heexploredChinatostudythecountry‘splants.ThispersonwasWangWencai.presentsb.withsth.展现给某人某物2Throughouthislife,ProfessorWangworkedhardtoresearchtheworldofplantsinChina.Hediscoveredandnamedabout1,370newplantspecies.Tocarryouthisresearch,hespentyearsinwildmountainsandforests.Once,hefellseriouslyillwhiledoingfieldworkinYunnan.动词不定式表目的长难句分析：这是一个复合句。主句主语是he，fell为系动词，ill为表语，seriously作副词，修饰ill。whiledoingfieldworkinYunnan是由while引导的省略结构的时间状语从句。Thoughhenearlydied,Wangneverstoppedhiswork.Helostsightinhisrighteyeattheageof83.Buthedidn’tletanybodyknow.Withamagnifierinhand,hestillcarriedonwithhisresearchforanother10years.carryonwithsth.继续某事3Despitehishugesuccess,Wangseldomthoughtaboutpersonalhonourorwealth.AlthoughhereceivedtheFirstClassAwardofNationalNaturalScienceAwardstwice,hehardlymentionedit.Forhim,theawardbelongedtotheteam,andhewasjustdoinghisjob.Infact,Wangwasalwaysquietabouthisachievements.Hewassuchagreatscientist.Butforalongtime,evenhisgranddaughterhadnoidea.介词短语作让步状语，despite“尽管”，相当于“inspiteof”。4Plantsgrowandsleepwiththeseasons.SodidProfessorWang.Hepassedawayattheageof96withthefallingleavesofautumn.Whenpeoplecametosaygoodbye,theydidn’thearanysadnotes.Instead,theygottolistentoBeethoven‘sPastoralSymphony.ThiswasWang’sfavouritepieceofmusic.Itsoftlytoldpeopleabouthislifelongexplorationandloveofnature.gettodosth.有机会做某事从教材语篇2学写作技巧隐喻本文用“floweringseasonofearlysummer”比喻出生，暗示与植物的天然联系；以“fallingleavesofautumn”描写去世，借季节更替象征生命的自然轮回，呼应植物“growandsleepwiththeseasons”的特性，增强文本诗意。3Completethediagramwiththewordsandexpressionsfromthepassage.Plantsforlife:

WangWencaiexploredChinato1_____________plantsofthecountryforover70years.AchievementsHediscoveredandnamed2__________newplantspeciesinChina.studyabout1,370Spiritofexploration·He3_______________toresearchtheworldofChina’splants.·He4_______________whiledoingfieldworkinYunnan,butheneverstoppedhiswork.·Hewasblindinhisrighteye,buthestill5____________________hisresearchforanother10years.workedhardfellseriouslyillcarriedonwithNotcaringabout6__________________________·Tohim,theNationalNaturalScienceAwardbelongedto7_____________.·Evenhisgranddaughter8_____________ofhisachievements.personalhonourorwealththeteamhadnoidea4Answerthequestions.1Whatdoes“quietabout”mean?2Whichexpressioninthepassagehasasimilarmeaning?Itmeansnottalkingmuchaboutsomething.Hardlymentionedit.3Whydoesthewritermentiontheseasonsinthelastparagraph?ToconnectWang’slifewithplants’growthrhythmandshowhislifelongbondwithnature.Thinkandshare1Whatdoesthetitleofthepassagemean?2WhatwordswillyouusetodescribeWangWencai?Learningtothinkforquestion1Atitleisnota