新编英语教程4 unit6ppt课件

Unit6,TextIPredators,ParasitesandOtherRelationships,TextIISlaughteroftheElephant,TextITextIIOralWorkGuidedWritingListening,Pre-readingActivityStructureVocabularyAcquisitionIntensiveReadingAnswertheQuestionsOrally,Text1:Predators,ParasitesandOtherRelationships,Lookupthefollowingwordsinthedictionary.Whatsubjectsdoyouthinkthistextisabout?Whattypeofwritingisit?Whatdoyouanticipate?,TextI,Pre-readingActivity,Predators,ParasitesandOtherRelationships,1.Predator:awildanimalthatlivesonotheranimalsbykillingandeatingthemParasite:aplantoranimalthatlivesonorinanotherandgetsfoodfromitEcosystem:asystemwhichrelatesalltheplants,animalsandpeopleinanareatotheirsurroundings2.Thetitleofthetextstronglysuggeststhatitisanexpositorypieceofwritingonecology.,TextI,Pre-readingActivity,Predators,ParasitesandOtherRelationships,ThisisEarthandSky.Whenyoulookatafarmoraranch,youmightthinktoyourself,thatswhere_or_productscomefrom.Youmightsee_thatgoesintoclothing,orwoodforpaper,constructionorfuel.ButScottSwinton,agriculturaleconomistfromMichiganStateUniversityseesmore.Heknowsthatagriculturallands_airandwater,_greenhousegases,andprovide_forwildplantsandanimals.Theseextra_areonesthatsomeecologistshavecalledecosystemservices.Andecosystemservicesarereallyjustthingsthatecosystemsprovidethathumanscareaboutandthatwelike.Ecosystemservicesmaynotbeboughtandsoldinamarketplace.Buttheyhave_.SwintonisplanningasurveyofMichigancitizenstoaskwhattheydpayforecosystemservicessuchasreducederosionorrunofformoregreenhousegasstorage.Itspartofanefforttounderstandthevalueonecosystemservices.Swintonalsowantstounderstandhow_farmingpracticesaffecttheecosystemservicesthatapieceoflandprovides.Andthenfinallywiththosekindsofthingsunderstood,wecanthinkaboutdesigningpolicy_forfarmerstoproducemoreoftheseecosystemservices.,TextI,ListeningPractice,corn,dairy,cotton,filter,store,habitat,benefits,value,specific,incentives,Now,pleaseunderlinethekeywordsorphrases.,TextI,Listofkeywordsofeachparagraph,1.Predatorsincludelions,wolves,robins,frogs,humans,etc.2.Humansarethegreatestpredatorsknown3.Predatorsdonotreallyhaveaneasytimekillingdefenselessprey.,Now,pleaseunderlinethekeywordsorphrases.,TextI,Listofkeywordsofeachparagraph,4.Parasitesoftenspendanentirelifetimewiththeirhosts.5.Manmakesuseofpredatorsandparasitestocontrolthenumberofsomepests.Thisiscalledbiologicalcontrol.6.Parasitesandtheirhostsarecloselyassociatedwitheachother,andthatisanexampleofsymbiosis.,TextI,Structure,Tosupportageneralizationwithaspecificcase,Tosupportanabstractionwithaconcreteinstance,Todevelopshismaterialbyofferingexamplesanddetails,TousethecommonmethodOfillustratinganideabyexamples,TextI,VocabularyAcquisition,Writedownthedefinitionofeachwordthatfitsthecontext.,carnivore(L.4)preyon(L.17)superb(L.25)array(L.13)species(L.25)adinfinitum(L.38)deliberately(l.42),Aflesh-eatinganimal,Huntananimalofanykind,excellent,Acollection,Agroupofplantsoranimalsofthesamekind,Withoutend,forever(Latin),Onpurpose,intentionally,Somepredators,carnivoressuchaslions,1.Aflesh-eatinganimal.食肉动物2.Anyofvariouspredatory,flesh-eatingmammalsoftheorderCarnivora,includingthedogs,cats,bears,weasels,hyenas,andraccoons.食肉动物：食肉目各种食肉性哺乳动物的一种，包括狗、猫、熊、鼬、鬣狗以及浣熊3.Aninsectivorousplant.食虫植物,n.adj.carnivorous,Sometimesindividualpredatorsdopreyuponfarmanimals,v.on/upon1.Tohunt,catch,oreatasprey:捕食2.Tovictimizeormakeaprofitatsomeoneelsesexpense.使成为牺牲品：使成为牺牲品或以损害他人谋利3.Toplunderorpillage.抢劫或抢夺4.Toexertabanefulorinjuriouseffect:折磨，使痛苦,prey:v.quarry.捕获物，猎物2.Onethatisdefenseless,especiallyinthefaceofattack;avictim.牺牲品3.Theactorpracticeofpreying.捕猎，捕食,词组：1)bebecome,fallapreyto成了.的受害者,受.的折磨2)easyprey容易捕获的猎物;容易上钩者;头脑简单的人3)makeapreyof把.当作食物猎获物4)seekafteronesprey寻食;寻求战利品,preyupon,Pleasetranslate:我不知道在动物世界里是否总是弱肉强食。Idontknowifitisalwaysthecaseintheanimalworldthatstrongeranimalspreyupontheweakerones.,Peopleusuallybelievethatpredatorshaveaneasytimeofit,killingdefenselessprey.,Pleaseparaphrase:Peopleusuallythinkthatpredatorsdonothavetomakeanefforttokillthepreyanimals,sincetheypreyhavenomeansofprotectingthemselves.,strengthandsize,andformidableclawsandteeth,formidable:adj.1)Arousingfear,dread,oralarm:可怕的：引起恐惧或忧虑的：E.g.theformidableprospectofmajorsurgery.2)Inspiringawe,admiration,orwonder:不可思议的：引起敬畏、钦佩或惊奇的：3)Difficulttoundertake,surmount,ordefeat:难对付的：难以完成、克服或对付的：E.g.aformidablechallenge;aformidableopponent.,Myexperienceshowsquitethecontrary-thetigerhastoworkquiethardforitsmeals,Iestimatethat,foreverywildpreykilled,thetigermakestwentytothirtyunsuccessfulattempts.,Pleaseparaphrase:WhatIhavegonethroughprovesquietopposite,i.e.,thetigerhastomakearealefforttogetsomethingtocat.Iwouldsaythatinordertocatchonewildanimal,thetigerhastotrytomaketwentytothirtyattempts.,Ifthewolfcouldcaptureprime,healthyprey,it,primemostimportantsynonymmaine.g.吸烟是引起肺病的主要原因。Smokingistheprimecauseoflungdisease.我们主要关切是为所有毕业生提供工作岗位。Ourprimeconcernisprovidingjobsforallthegraduates.2.oftheverybestqualityorkindThehotelisinaprimelocationoverlookingthevalley.3.beaprimecandidate/target(forsomething)Oldpeopleareaprimetargetforthieves.4.primeexampleBlakeyHallisaprimeexampleofa19thcenturybuilding.,So,naturalistsobserve,afleaHathsmallerfleasthanheonhimprey;Andthesehavesmallerstilltobiteem,Andsoproceedadinfinitum.,Pleaseparaphrase:Naturalistshaveobservedthatfleashavesmallerfleaslivingonandfeedingoffthem,andthesehaveevensmallerfleasonthem.Thisphenomenoncontinuesalmostindefinitely.,扁虱,fungi:n.真菌,菌类singular:fungusbacteria:n.细菌singular:bacteriumadj.bacteria-free无菌的flatworm:n.扁形虫tick:n.动扁虱mite:n.螨类,Sincetherearemanyparasiticfungi,bacteria,flatworms,insects,ticks,andmites.,mongoose,inhopesthat希望着,Inthehopeof希望能e.g.Wecametotheislandinthehopeoffindingasimplerwayoflife.invainhope幻想地,空想地lasthope最后的希望或被寄托最后希望的人liveinhope(s)仍然希望情况会好转loseallhope(s)完全失望,elmspanworm,bluebird,controllingtheimportationofplantsandanimalstotheU.S.,importation:n.反：exportationTheactorbusinessofimporting.进口：进口的生意或行为Theconditionorprocessofbeingimported.进口：进口的状态或过程3.Somethingimported;animport.输入物，进口货,词组：duty-freeimportation免税进口foreigncapitalimportation引进外资unilateralimportationexportation单边进出口,Fishcallerremorasattachthemselvestosharks.Theygetafreerideandeatfragmentsofthesharksfood.,Pleaseparaphrase:Remoras,atypeoffish,clingthemselvestosharks,gowherethesharksgoandeatbitsofsharksfood.,Therearemanyothercommensalrelationshipsinthesea.,commensal:adj.&n.Adj.Of,relatingto,orcharacterizedbyasymbioticrelationshipinwhichonespeciesisbenefitedwhiletheotherisunaffected.共栖的，共生的n.Anorganismparticipatinginasymbioticrelationshipinwhichonespeciesderivessomebenefitwhiletheotherisunaffected.共生生物,animalsthatdependonthehostforshelterorfoodscraps.,scrape:n.junk.废弃；抛弃,Theorganismthatmakeupalichencouldntsurvivelongapart.,Pleaseparaphrase:Theorganismsthatalicheniscomposedofcouldnotlivelongseparately.,1.Whyisthekillingofelephantsinsomeareasnecessary?2.Whydosomehuntersrefusetoschoolanelephant?3.WhyistheplannedmassslaughteroffivethousandelephantsintheTsavoGameParkjustified?4.Inwhatwayisanelephantdifferentfromotheranimals?5.Whatishumaneaboutthemethodusedforkillingelephants?6.Whatdoes”theaffairsofmen”mean?7.Whatistheauthorsattitudetowardstheslaughteroftheelephants?Whatdoyouthinkofthisattitude?,TextII,ExtensiveReadingQuestions,SlaughteroftheElephants,Importantwords:,SlaughterContemplate(L.2)Understandable(L.3)Beast(L.3)Fascination(L.4)Magnificent(L.5)Tread(L.6)Deaththroes(L.8)Justification(L.12)Massacre(L.12)air-to-groundradio(L.17)fatal/instantaneously(L.19)humane(L.20),Retreat(L.21)Density(L.23)Allocate(L.24)Diminish(L.25)Encroach(L.26)Altitude(L.29)Appetite(L.30)Spray(L.36)Drift(L.42),TextII,Practice,Workbook,Page81,Comprehension,OralWork,FororAgainst?ChenLingandYuanHuaareroommates.ChenLinghasreadanarticleintodaysnewspaperon“FororAgainstKillingwolves”.ChentellsYuanaboutitand,astheyhavedifferentopinions,theybegintoargue.,OralWork,ADiscussionontheNuclearPowerStationHerearesomeexpressionswhichcanbeusedtoshowdisagreement:,Idontthinkso.Butit/youcantbeYouarewrong.ItcertainlyisntInever./Idontagree./Thatsnottrue./Thatsnotthepoint.Whyshouldthey.?Idoubtifthatwouldwork.Whatdoyousaytotheargumentthat?,PrcisWritingParagraphWritingLetterWriting,GuidedWriting,PrcisWriting,Practice:writeprcisofAtomicCars,Workingingroupsoftwoorthree,choosetheopeningsentencefromamongthefollowingonP75.Workingingroupsanddecidewhichofthefollowingdetailsarenecessaryfortheprcis.,ParagraphWriting,Argument:P75,Whatistheusageofargument?Howmanycoursesarethereinanargument?,LetterWriting,AskingaFavor:P76,Writealetteraskingafavor.Writer,Addressee,Introduction,Purpose,Conclusion,Ending,ListeningComprehensionDictation,Listening,Listening,DictationA,UsefulWordsandExpressions:*visualartist视觉艺术家*selectionn.选择,挑选*countlessadj.无数的,数不尽的*exceptionaladj.例外的,异常的amanofexceptionaltalent具有特殊才能的人exceptionalweather异常的气候exceptionalpromotion破格提升*motionn.运动,动作*responsen.响应,反应callforthnoresponseinsbsbreast在某人心中不起反应inresponseto响应,反应makenoresponse不回答*indicatevt.显示,象征*contemporaryadj.当代的,同时代的*withoutreferencetoadv.不论,与无关,Listening,DictationA,ArtistsEveryartistknowsinhisheartthatheissayingsomethingtothepublic.Notonlydoeshewanttosayitwell,buthewantsittobesomethingwhichhasnotbeensaidbefore.Whatvisualartists,likepainters,wanttosayiseasytomakeoutbutdifficulttoexplain,becausepainterstranslatetheirexperiencesintoshapesandcolors,notwords.Theyseemtofeelthatacertainse1ectionofshapesandcolors,outofthecountlessbillionspossible,isexceptionallyinterestingforthemandworthshowingtous.Mostartiststaketheirshapesandcolorsfromtheworldofnatureandfromhumanbodiesinmotionandresponse；theirchoicesindicatethattheseaspectsoftheworldareworthlookingat,thattheycontainbeautifulsights.Contemporaryartistsmightsaythattheymerelychoosesubjectsthatprovideaninterestingpattern,thatthereisnothingmoreinit.Yeteventheydonotchooseentirelywithoutreferencetothecharacteroftheirsubjects.(156words),Listening,DictationB,UsefulWordsandExpressions:*professionaladj.专业的,职业的professionalknowledge专业知识professionalmen专家(尤指医生、律师等)aprofessionalsinger职业歌唱家*benamedfor被指定作*residentn.居民*enthusiasticallyadv.热心地,狂热地*standforv.代表,象征*beshortfor是的简称*associationn.协会