Unit4Spaceexploration-DiscoveringUsefulStructures教案-高中英語人教版必修第三冊

/08/8/2019新人教高中英語必修三Unit4SpaceexplorationDiscoveringUsefulStructures公開課教案Teachingaims:1.Enablestudentstoidentifyandanalysetheusageofinfinitivesasadverbialsandattributes.2.Helpstudentstomastertheusageofinfinitivesasadverbialsandattributesthroughself-studyandpractice.3.Guidestudentstouseinfinitivestodescribespacefactsandeffortstoexplorespace.Teachingkeypoints:Helpstudentsidentifytheusesofinfinitivesasadverbialsandattributes.Leadstudentstouseinfinitivestodescribespacefactsandeffortstoexplorespace.Designspecificsituationsforstudentstomakeuseofinfinitivesasadverbialsandattributes.Teachingdifficultpoints；Howtouseinfinitivesasadverbialsandattributesinrealsituations.Teachingprocedures:StepⅠLead-inMysterycreateswonderandwonderisthebasisofman’sdesiretounderstand.____NeilArmstrongTosucceed,youmustacceptallthechallenges,can’tjustaccepttheonesyoulike._____MikeGaffkaStepⅡSelf-directedstudyThisclasswewilllearntograspthebasicusagesofthepresentcontinuouspassivevoiceandputthemintopractice.First,it’books.Makedytime.Pleaseobservetheexamplesentencesinthesheetandtrytosummarisetheirusagesbyreferringtothedictionaryorreferencebooks.Makeamarkwhereyoucan’tunderstand.Then,10minuteslater,we’llseewhoisthebestself-learner.Pleasebeginnow.StepⅢPresentationandspecialattentionT:Timeisup.Let’sseehowyoulearninfinitivesasadverbialsandattributesonebyone.Task1Readthefollowingsentencesandfocusontheitalicisedinfinitives.Thenfigureouttheirfunctionsandmeanings.1.Itrainedforalongtimetoflyairplanesasafighterpilot.→________________________________________________________2.Asweallknow,anastronautneedstobehealthyandcalminordertoworkinspace.→________________________________________________________3.Firstofall,youmustbeintelligentenoughtogetarelatedcollegedegree.→_________________________________________________________4.Somescientistsweredeterminedtohelphumansrealisetheirdreamtoexplorespace.→_________________________________________________________5.On12April1961,YuriGagarinbecamethefirstpersonintheworldtogointospace.→__________________________________________________________Suggestedanswers:1inorderthatIcouldflyairplanesasafighterpilot.2inorderthathe/shecanworkinspace.3sothatyoucouldgetarelatedcollegedegree.4theirdreamwhichwastoexplorespace.5thefirstpersonintheworldwhowentintospace.Task2Findmoreexamplesfromthetextandfigureouttheirfunctions.(pages40-41)Suggestedanswers:Peoplehavealwayswantedtolearnmoreaboutspace,andscientistsworkhardtofindanswers.(adverbial)?Theymakevehiclestocarrybravepeopleintospacetofindoutthesecretsoftheuniverse.(attribute;adverbial)?Theyalsoreallywishtodiscoverotherplanetsthataresuitableenoughtosupportlife.(adverbial)?America’sNASAspaceagencylaunchedVoyager1on5September1977tostudydeepspace.(adverbial)?Thesedisastersmadeeveryonesadanddisappointed,butthedesiretoexploretheuniverseneverdied.(attribute)?Chinabecamethethirdcountryintheworldtoindependentlysendhumansintospacein2003.(attribute)?ThenShenzhou6and7completedasecondmannedorbitandthefirstChinesespacewalk,followedbythevehicleJadeRabbitbeingsenttothemoontostudyitssurface.(adverbial)?Afterthat,ChinalaunchedtheTiangong2spacelabintospaceandTianzhou1todockwithit.(adverbial)?ThissignalledonestepfurtherinChina’splantoestablishaspacestationinthefuture.(attribute)?Morerecently,ChinahassentChang’e4toexplorethesurfaceofthefarsideofthemoontomakemeasurementsandobservations.(adverbial)?Europe,theUS,andChinaallhaveplanstofurtherstudyandexploreplanetslikeMarsandJupiter.(attribute)?Task3Rewritethesentencesusinginfinitivesor“inorderto/soasto”.Changetheitalicisedpartsaccordingly.Learnfromtheexamples.1.In2003YuriMalenchenkobecamethefirstpersonwhogotmarriedinspace.→...thefirstpersontogetmarriedinspace.2.Inspace,astronautscollectalldirtywatersothatitcanberecycledforlateruse.→...collectalldirtywatersoastorecycleitforlateruse.3.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavedreamtthatonedaytheywouldflyintospace.→____________________________________________________________4.Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday,whichwillhelpthemstayhealthy.→____________________________________________________________5.Astronautshavetousetapetostickeverythingdownwhileworkinginspacebecauseeverythingwouldfloatoffotherwise.→____________________________________________________________6.Duringaspacewalk,astronautshavetomoveslowlysothattheycankeeptheirbodiesundercontrol.→_______________________________________________________________Suggestedanswers:3manypeoplehavethedreamtoflyintospaceoneday.4sotheyneedtoexerciseeverydayto/inorderto/soastostayhealthy.5stickeverythingdownwhileworkinginspaceto/inorderto/soastokeepeverythingfromfloatingoff.6moveslowlyto/inorderto/soastokeeptheirbodiesundercontrol.Task4Completethesentencesusinginfinitivesastheattributeortheadverbial.(Workbookpage80UsingStructuresExercise1)1.Q:WhyisYangLiweifamousinChina?A:Becauseheis(第一個進入太空的中國宇航員).?2.Q:Howdoyoufeelaboutthefilm2001:ASpaceOdyssey?A:I’mafraidthefilmis(太長太乏味而無法看完).?3.Q:WhywastheRussianspacestationMir(和平號空間站)broughtdownoutoforbit?A:OneofthereasonsisthatMirwastoooldand(不再是安全的居所).?4.Q:Wouldyouliketotravelintospacesomeday?A:Yes,andIwanttobecome(登陸火星的第一個中國人).?5.Q:Couldyouprovideasimpleintroductiontohowspacerocketswork?A:I’mafraidthewholeprocessis(太復(fù)雜了,無法用幾句話解釋清楚).?Suggestedanswers:1.thefirstChineseastronauttogointospace2.toolongandboringformetofinish3.nolongerasafeplacetolivein4.thefirstChinesetolandonMars5.toocomplicatedtoexplaininafewwordsStepⅢSummaryinfinitivesasadverbials:infinitivesasattributes:Suggestedanswers:infinitivesasadverbials:可以表示目的、結(jié)果、原因等,可根據(jù)其在語境中的意義,轉(zhuǎn)化為相應(yīng)的狀語從句;常用結(jié)構(gòu):inorderto/soasto(表目的)be+adj.+enoughtodo(表結(jié)果)too+adj.+todo(表結(jié)果)proud/pleased/...proud/pleased/...+todo(表原因)infinitivesasattributes:起修飾或限定作用,可轉(zhuǎn)化為定語從句;可修飾名詞、數(shù)詞、代詞等,常置于被修飾詞后;多表示將來的動作;后接不定式作定語的名詞有:desire,dream,plan,goal等。StepⅣConsolidationTask1Completethesentencesusingthecorrectformsofthewordsinthebox.(Workbookpage81UsingStructuresExercise2)videlivesetcarryselect fall take launch1.Thespaceshuttle(航天飛機)wascreatedasareusablelaunchvehicleastronautsandotherequipmentintospaceandbackagain.Theshuttlelookslikeanordinaryplanebutithasacargobay(貨倉)thatislargeenoughasatellite.?2.Spaceprobes(航天探測器)areoftensenttoplacesthataretoofarawayortoodangerousforahumanfootin.Forexample,in1977,theVoyager1spaceprobewassentpicturesoftheplanetsSaturnandJupiter.?3.TheInternationalSpaceStationwastoobigonEarthandintospace,sodifferentcountriesworkedtogetherandbuiltabout100modules(分離艙).Afterwards,thesemoduleswerejoinedtogetherinspacelivingquarters,laboratories,andotherequipmentforastronautsformonths.?4.Asthefirstwomantomakeatripintospace,Tereshkovafeltluckyandproud.Whenthegreatdayfinallycame,shewasalmosttooexcitedasleep.?Task2Completethepassagewiththecorrectformsoftheverbsinthebox.(Workbookpage81UsingStructuresExercise3)makedobeconnectgetseesendOn17October2016,China’sspaceagencylaunchedtheShenzhou11spacevehiclewiththeTiangong2spacelaboratory.ThevehiclecarriedtheastronautsJingHaipengandChenDong.TheconnectionbetweenShenzhou11andTiangong2tookabouttwohourstobecompleted.?Theastronautshadmanytasksinspaceaspartoftheirmission.Firstly,theyhadtofloatthroughanarrow80-centimeterwidetubesoasonboardTiangong2.Oncesafelyonboard,thepairwavedtothecameraonTiangong2,greetingstoeveryonebackhome.?Thentheyperformedvariousexperiments.Forexample,theygrewriceinspace.Theyalsogavethemselvesmedicalcheck-upshowtheirbodieswereaffectedbyinspace.?JingHaipengandChenDongfinallyreturnedtoEarth30dayslater,theirspacemissionthelongestsuchmissionbyChineseastronautstodate.?Suggestedanswers:Task11.tocarry;tohold2.toset;totake3.tobuild;tolaunch;toprovide;tolive4.selected;tofallTask2toconnect;todo;toget;tosend;tosee;being;makingStepⅤPracticeI.Completethesentencesusingthecorrectformsofthewordsinthebrackets.1.JenniferMauerbecamethefirstinherlargefamily(earn)abachelor’sdegree.2.(test)theeffectofsocialinfluenceoneatinghabitstheresearchersconductedtwoexperiments.3.Pleasegotothegovernmentwebsites(learn)moreabouttheprogram.4.Whateveryourageorinterests,Buxtonhassomething(see)ordotomakeyourvisittrulymemorable.5.(enjoy)theconvenienceofdigitalpayment,manyseniorcitizensstartedtousesmartphones.?6.Withsuchbusylives,itcanbehardtotryandfindthetime(work)out.7.Friedmanpointsoutthatthegreeneconomyisachance(keep)Americanstrength.8.Fortunately,afterabriefstayinhospital,Benwaswellenough_______(allow)toleaveandlaterthefamilymetupfordinner.9.DuringtheMid-AutumnFestival,familymembersoftengathertogether_______(share)ameal,ad