高三英语Unit4Lesson16教案Step1Revision1Checkthehomeworkexercises.2WritethesenounsontheBbandaskSstowritedowntheirregularplurals:policemanchildpersongoosemouseox(policemenchildrenpeoplegeesemiceoxen)Step2PreparationforlisteningSBPage24,Part1.WbListening,Unit6.TelltheSsWe‘regoingtolistentoaninterviewaboutfoodcrops.ThenreadtheintroductionaloudandreadthroughthequestioninEx.1andmakesuretheSsunderstandwhattodo.Step3ListeningListeningCassetteUnit4.Doeachexerciseinturn.Playthetape,thenletSsdiscusstheiranswersinpairs.Playthetapeagainifnecessary,thenchecktheanswerswiththewholeclass.ListeningTextFeedtheworldAfoodscientistisdiscussingthemaintypesoffoodcrops.(S=Scientist;I=Interviewer)I:Oneofthemostimportantfoodcropsintheworldofcourseisrice.Whyisitsoimportant?S:Well,foronething,everyonecaneatit,andit’ssuitableforsickpeopleandyoungchildren.I:Isitgrownallovertheworld?S:No.Itneedsahotclimateandlotsofwater.Soitcan‘tbegrownincoldcountriesorwherethereislittlewater.Butwheretheconditionsareright,youcangrowthreericecropsinayear.I:Canyouliveonricealone?S:No.Itdoesn’tcontainallthefoodsabodyneedstostayhealthy.Alsoit‘sbettertoeatthewholegrain,butinmanypartsofthewondit’sthecustomtoremovethebrownoutsidepartofthegrain.I:Whataboutthepotato?S:Well,thepotatoisaverygoodfoodforthehumanbody.Soyoucouldliveforsixmonthsjustbyeatingpotatoes.Inayear,youwouldalsoneedtoeatalittlefatandsomefreshfruittostayhealthy.I:Wherearepotatoesgrown?S:Theycanbegrownincoldcountries,likethenorthofEuropeandupinthemountainsofSouthAmerica,wherethepotatocamefrom.I:Whataboutbread?S:Breadcanbemadefromdifferentgrains.It‘sanimportantfoodinthenorthofEuropewhereit’scoldbutalsointheMiddleEast.It‘saverygoodfood,butyouneedtoeatotherfoodslikefreshfruitandvegetablestostayhealthy.I:Arethereanyotherfoodswehaven’tmentioned?S:Yes,there‘sIndiancorn.ThiscamefromAmerica,butisnowaveryimportantcropallovertheworld.Youneedawarmsunnyclimatetogrowmaize,butitdoesn’tneedasmuchwaterasrice.Mindyou,ifyouwateryourmaize,youwillgetabettercrop.I:Andwehaven‘tmentionednoodles.S:No.Veryimportant!Noodlesandpastaarebothmadefromatypeofhardgrain.Thegrainisturnedintoapowder,mixedwithwaterandthenformedintodifferentshapes.InAsiaandtheMiddleEastthesearecallednoodlesandinItalythesearecalledpasta.Answers:Exx.1-3:FOODCROPGROWINGCONDITIONSricericeahotclimateandlotsofwaterpotatopotatocoldcountriesbreadgrainscoldcountries,theMiddleEastcorncornwarm,sunnyclimate;needslesswaterthanricenoodlesatypeofpastahardgrainEx.4:12Correct3Brownrice(thewholegrain)ishealthierthanwhiterice.456Correct7NoodlesareeatenintheMiddleEastandpastaiseateninItaly.Step4CheckpointGothroughCheckpoint6.ReviseNounClauses.PractisetheusefulexpressionsanddealwithanylanguagepointsthatyouortheSswishtoraise.Step5TestGiveSsthefollowingtestonNounClauses.GettheSstowritedownfivecorrectsentencesusingthetablesbelow:TheproblemThequestioniswaswhowherewherewhatwhy/howtheyaregoingtopayforthegoats.theywantedtokeepgeese.theyaregoingtosellintheircafe.hewantstobecomeabutcherorafarmer.ruinedtheirtractor.ItisclearthatItistruethatitcostsalotofmoneytokeepfish.weshallsellthecowsforalotofmoney.ItisnottruethatItislikelythatItisunlikelythatgoatsdamageyoungtrees.anyonewillwanttobuythathillyfarmland.thecostoffoodisrisingeveryyear.Step6WordstudySBPage24,Part2.Teachthenewwordspoon,preferablybyshowingtheobject,oralternativelywithapictureorBbdrawing.ThengettheSstodothisexerciseindividually.Checktheanswersattheend.Answers:1Wipe2mice3mountainous4filled5oxen6damp7jar8celebrate9Geese10ruinedStep7WritingSBPage24,Part3.ReadoutthissampleversionwhileSsfollowintheirbookssothattheycanseehowtoputthephrasestogether.Chinahasonly7%oftheworld’sland,butsuccessfullyfeeds22%oftheworld‘s/worldpopulation.Ithasthelargestirrigatedareaoffarmlandintheworldandgrowsmorethanathirdofthericecrop.Fishfarmingisalsoimportant.Fresh-waterfishcanbeproducedlocallywhereveryoulive.Vegetablewasteisusedtofeedpigsandchickens.Gasisproducedfromhumanandanimalwasteandisusedforheatingandcooking.Inaword,iftherestoftheworldhadfairownershipoflandlikeChina,therewouldbenomorestarvation.Thenletthempractiseorallyingroupsoffour.Finallygetthemtowritetheirparagraphseitherinclassorforhomework.Step8WorkbookWbLesson16,Exx.1-3.TheaimofEx.1istogettheSstomakeanotherefforttoconsolidatethetext.DothisexerciseinthesameprocedureasStep7inTBLesson23.EncouragetheSstotalkmorefreely.ForEx.2,theSsshouldgooverthesentencesandgetthemeaningclear.Dothisexerciseinpairsfast,thenwiththewholeclass.AsktheSstoreadaloudthesentencesinEx.3andputthemintoChinese.Ifthereistime,askthemtotranslatetheChineseintoEnglish.HomeworkFinishofftheWorkbookexercises.FinishtheparagraphaboutagricultureinChina.
