新编英语教程4unit6省公开课金奖全国赛课一等奖微课获奖课件

Unit6TextIPredators,ParasitesandOtherRelationships

TextIISlaughteroftheElephant1/43

TextI

TextII

OralWork

GuidedWriting

Listening2/43

Pre-readingActivity

Structure

VocabularyAcquisition

IntensiveReadingAnswertheQuestionsOrallyText1:Predators,ParasitesandOtherRelationships3/43Lookupthefollowingwordsinthedictionary.Whatsubjectsdoyouthinkthistextisabout?Whattypeofwritingisit?Whatdoyouanticipate?TextIPre-readingActivityPredators,ParasitesandOtherRelationships4/431.Predator:awildanimalthatlivesonotheranimalsbykillingandeatingthem

Parasite:aplantoranimalthatlivesonorinanotherandgetsfoodfromit

Ecosystem:asystemwhichrelatesalltheplants,animalsandpeopleinanareatotheirsurroundings2.Thetitleofthetextstronglysuggeststhatitisanexpositorypieceofwritingonecology.TextIPre-readingActivityPredators,ParasitesandOtherRelationships5/43

ThisisEarthandSky.Whenyoulookatafarmoraranch,youmightthinktoyourself,that’swhere_____or_____productscomefrom.Youmightsee______thatgoesintoclothing,orwoodforpaper,constructionorfuel.ButScottSwinton,agriculturaleconomistfromMichiganStateUniversityseesmore.Heknowsthatagriculturallands______airandwater,______greenhousegases,andprovide_______forwildplantsandanimals.Theseextra_______areonesthatsomeecologistshavecalledecosystemservices.Andecosystemservicesarereallyjustthingsthatecosystemsprovidethathumanscareaboutandthatwelike.Ecosystemservicesmaynotbeboughtandsoldinamarketplace.Buttheyhave______.SwintonisplanningasurveyofMichigancitizenstoaskwhatthey'dpayforecosystemservicessuchasreducederosionorrunofformoregreenhousegasstorage.It’spartofanefforttounderstandthevalueonecosystemservices.Swintonalsowantstounderstandhow______farmingpracticesaffecttheecosystemservicesthatapieceoflandprovides.Andthenfinallywiththosekindsofthingsunderstood,wecanthinkaboutdesigningpolicy________forfarmerstoproducemoreoftheseecosystemservices.TextIListeningPracticecorndairycottonfilterstorehabitatbenefitsvaluespecific

incentives6/43Now,pleaseunderlinethekeywordsorphrases.TextIListofkeywordsofeachparagraph1.Predatorsincludelions,wolves,robins,frogs,humans,etc.2.Humansarethegreatestpredatorsknown3.Predatorsdonotreallyhaveaneasytimekillingdefenselessprey.7/43Now,pleaseunderlinethekeywordsorphrases.TextIListofkeywordsofeachparagraph4.Parasitesoftenspendanentirelifetimewiththeirhosts.5.Manmakesuseofpredatorsandparasitestocontrolthenumberofsomepests.Thisiscalledbiologicalcontrol.6.Parasitesandtheirhostsarecloselyassociatedwitheachother,andthatisanexampleofsymbiosis.8/43TextIStructureExpositionTosupportageneralizationwithaspecificcaseTosupportanabstractionwithaconcreteinstanceTodevelopshismaterialbyofferingexamplesanddetailsTousethecommonmethodOfillustratinganideabyexamples9/43TextIVocabularyAcquisitionWritedownthedefinitionofeachwordthatfitsthecontext.carnivore(L.4)preyon(L.17)superb(L.25)array(L.13)species(L.25)adinfinitum(L.38)deliberately(l.42)Aflesh-eatinganimalHuntananimalofanykindexcellentAcollectionAgroupofplantsoranimalsofthesamekindWithoutend,forever(Latin)Onpurpose,intentionally10/43Somepredators,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一个，包含狗、猫、熊、鼬、鬣狗以及浣熊3.Aninsectivorousplant.食虫植物n.adj.carnivorous11/43Sometimesindividualpredatorsdopreyuponfarmanimals…v.~on/upon1.Tohunt,catch,oreatasprey:捕食2.Tovictimizeormakeaprofitatsomeoneelse'sexpense.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.&n.12/43Sometimesindividualpredatorsdopreyuponfarmanimals…n.1.Ananimalhuntedorcaughtforfood;quarry.捕捉物，猎物2.Onethatisdefenseless,especiallyinthefaceofattack;avictim.牺牲品3.Theactorpracticeofpreying.捕猎，捕食词组：1)be[become,fall]apreyto成了...受害者,受...折磨2)easyprey轻易捕捉猎物;轻易上钩者;头脑简单人3)makeapreyof把...看成食物[猎获物]4)seekafterone'sprey寻食;寻求战利品13/43preyupon

Pleasetranslate:我不知道在动物世界里是否总是弱肉强食。

Idon’tknowifitisalwaysthecaseintheanimalworldthatstrongeranimalspreyupontheweakerones.

14/43Peopleusuallybelievethatpredatorshaveaneasytimeofit,killingdefenselessprey.

Pleaseparaphrase:Peopleusuallythinkthatpredatorsdonothavetomakeanefforttokillthepreyanimals,sincetheypreyhavenomeansofprotectingthemselves.15/43…strengthandsize,andformidableclawsandteeth…formidable:adj.1)Arousingfear,dread,oralarm:可怕：引发恐惧或忧虑：E.g.theformidableprospectofmajorsurgery.2)Inspiringawe,admiration,orwonder:不可思议：引发敬畏、钦佩或惊奇：3)Difficulttoundertake,surmount,ordefeat:难对付：难以完成、克服或对付：E.g.aformidablechallenge;aformidableopponent.16/43Myexperienceshowsquitethecontrary--thetigerhastoworkquiethardforitsmeals,…Iestimatethat,foreverywildpreykilled,thetigermakestwentytothirtyunsuccessfulattempts.

Pleaseparaphrase:WhatIhavegonethroughprovesquietopposite,i.e.,thetigerhastomakearealefforttogetsomethingtocat.Iwouldsaythatinordertocatchonewildanimal,thetigerhastotrytomaketwentytothirtyattempts.17/43Ifthewolfcouldcaptureprime,healthyprey,it…primemostimportant[synonym]maine.g.吸烟是引发肺病主要原因。

Smokingistheprimecauseoflungdisease.

我们主要关切是为全部毕业生提供工作岗位。

Ourprimeconcernisprovidingjobsforallthegraduates.2.oftheverybestqualityorkind

Thehotelisinaprimelocationoverlookingthevalley.3.beaprimecandidate/target(forsomething)Oldpeopleareaprimetargetforthieves.4.primeexampleBlakeyHallisaprimeexampleofa19thcenturybuilding.18/43So,naturalistsobserve,afleaHathsmallerfleasthanheonhimprey;Andthesehavesmallerstilltobite’em,Andsoproceedadinfinitum.

Pleaseparaphrase:Naturalistshaveobservedthatfleashavesmallerfleaslivingonandfeedingoffthem,andthesehaveevensmallerfleasonthem.Thisphenomenoncontinuesalmostindefinitely.19/43扁虱fungi:n.真菌,菌类singular

:fungus

bacteria:n.细菌singular:bacteriumadj.bacteria-free无菌flatworm:n.扁形虫tick:n.〈动〉扁虱mite:n.螨类Sincetherearemanyparasiticfungi,bacteria,flatworms,insects,ticks,andmites.20/43mongoose21/43inhopesthat…希望着Inthehopeof希望能 e.g.Wecametotheislandinthehopeoffindingasimplerwayoflife.invainhope幻想地,空想地lasthope最终希望或被寄托最终希望人liveinhope(s)依然希望情况会好转loseallhope(s)完全失望22/43elmspanworm23/43bluebird24/43…controllingtheimportationofplantsandanimalstotheU.S.importation:n.反：exportationTheactorbusinessofimporting.进口：进口生意或行为Theconditionorprocessofbeingimported.进口：进口状态或过程3.Somethingimported;animport.输入物，进口货词组：duty-freeimportation免税进口foreigncapitalimportation引进外资unilateralimportation[exportation]单边进[出]口25/43Fishcallerremorasattachthemselvestosharks.Theygetafreerideandeatfragmentsofthesharks’food.Pleaseparaphrase:Remoras,atypeoffish,clingthemselvestosharks,gowherethesharksgoandeatbitsofsharks’food.26/43Therearemanyothercommensalrelationshipsinthesea.commensal:adj.&n.Adj.Of,relatingto,orcharacterizedbyasymbioticrelationshipinwhichonespeciesisbenefitedwhiletheotherisunaffected.共栖，共生n.Anorganismparticipatinginasymbioticrelationshipinwhichonespeciesderivessomebenefitwhiletheotherisunaffected.共生生物27/43…animalsthatdependonthehostforshelterorfoodscraps.scrape:n.&v.n.1.

Asmallpieceorbit;afragment.小块，少许；碎片2.scrapsLeftoverbitsoffood.scraps残羹剩饭3.Discardedwastematerial,especiallymetalsuitableforreprocessing.废料：尤指能够回收废金属v.tr.（及物动词）1.Tobreakdownintopartsfordisposalorsalvage.打坏2.Todiscardasworthless;junk.废弃；抛弃28/43Theorganismthatmakeupalichencouldn’tsurvivelongapart.Pleaseparaphrase:Theorganismsthatalicheniscomposedofcouldnotlivelongseparately.29/431. Whyisthekillingofelephantsinsomeareasnecessary?2. Whydosomehuntersrefusetoschoolanelephant?3. WhyistheplannedmassslaughteroffivethousandelephantsintheTsavoGameParkjustified?4. Inwhatwayisanelephantdifferentfromotheranimals?5. Whatishumaneaboutthemethodusedforkillingelephants?6. Whatdoes”theaffairsofmen”mean?7. Whatistheauthor’sattitudetowardstheslaughteroftheelephants?Whatdoyouthinkofthisattitude?TextIIExtensiveReadingQuestionsSlaughteroftheElephants30/43Importantwords: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)

31/43TextIIPracticeWorkbook,Page81,Comprehension

32/43OralWorkFororAgainst?ChenLingandYuanHuaareroommates.ChenLinghasreadanarticleintoday’snewspaperon“FororAgainstKillingwolves”.ChentellsYuanaboutitand,astheyhavedifferentopinions,theybegintoargue.33/43OralWorkADiscussionontheNuclearPowerStationHerearesomeexpressionswhichcanbeusedtoshowdisagreement:Idon’tthinkso.Butit/youcan’tbe…Youarewrong.Itcertainlyisn’t…Inever./Idon’tagree./That’snottrue./That’snotthepoint.Whyshouldthey...?Idoubtifthatwouldwork.Whatdoyousaytotheargumentthat…?34/43PrécisWritingParagraphWritingLetterWritingGuidedWriting35/43PrécisWritingPractice:writeprécisofAtomicCars

Workingingroupsoftwoorthree,choosetheopeningsentencefromamongthefollowingonP75.Workingingroupsanddecidewhichofthefollowingdetailsarenecessaryfortheprécis.36/43ParagraphWritingArgument:P75Whatistheusageofargument?Howmanycoursesarethereinanargument?37/43LetterWritingAskingaFavor:P76Writealetteraskingafavor.Writer,Addressee,Introduction,Purpose,Conclusion,Ending…38/43

ListeningComprehension

DictationListening

39/43ListeningDictationAUsefulWordsandExpressions:*visualartist视觉艺术家*selectionn.选择,挑选*countlessadj.无数,数不尽*exceptionaladj.例外,异常 amanofexceptionaltalent含有特殊才能人 exceptionalweather异常气候 exceptionalpromotion破格提升*motionn.运动,动作*responsen.响应,反应 callforthnoresponseinsb’sbreast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,同时代*withoutreferencetoadv.不论,与……无关40/43ListeningDictationAArtistsEveryartistknowsinhisheartthatheissayingsomethingtothepublic.Notonlydoeshewanttosayitwell,