Unit4SpaceExplorationListeningandTalking教案-高中英语人教版

教学设计

课程基本信息学科英语年级高一学期秋季课题Unit4SpaceExplorationListeningandTalking教学目标（FourDimensionalKeypetencies）Knowledge&SkillsStudentswillmastertheusageoftheinfinitiveasattributiveandadverbial.Theycanaccuratelyidentifyanduserelevantstructuresinsentences,like“ThefirstsatellitetobelaunchedwasSputnik1.”Also,theywillbeabletoapplythesegrammarpointstodescribespaceexplorationfacts.Process&MethodsThroughanalyzingexamples,groupdiscussions,andexercises,studentsenhancetheirabilitytosummarizegrammarrulesindependently.Theywillpracticeusingtheinfinitiveinvarioussituations,improvingtheirlanguageapplicationskills.重难点（KeyandDifficultPoints）KeyPointsUnderstandthebasicformsandfunctionsoftheinfinitiveasattributiveandadverbial.Beabletousethemcorrectlyinsimplesentencesrelatedtospaceexploration,suchas“ThemissiontoexploreMarsischallenging.”DifficultPointsDistinguishbetweendifferentmeaningsoftheinfinitiveinplexcontexts.Applytheinfinitiveaccuratelywhenexpressingplexideasaboutspaceexploration,likereasons,purposes,andresultsinlongsentences.教学过程Today,we'regoingtofocusonthe"ListeningandTalking"partofUnit4SpaceExploration.Asweallknow,spaceexplorationisanincrediblyfascinatingtopic,fullofwondersandmysteries.Andthroughlisteningandtalking,we'llbeabletoexplorethistopicfromdifferentangles.First,let'sthinkaboutsomekeywordsrelatedtospaceexploration.Canyounameafew?[Pauseforstudents'responses]Wordslike"astronaut","spacecraft","satellite","orbit","galaxy",and"cosmos"areallmonlyassociatedwithspaceexploration.Thesewordswillbeveryusefulaswemoveforwardwithourlisteningandtalkingactivities.Now,let'sstartwiththelisteningsection.I'llplayashortpassageaboutspaceexploration.Whileyou'relistening,trytocatchthemainideaandsomeimportantdetails.Payattentiontothepronunciation,intonation,andthespeedofthespeaker.[Playtheaudio]Okay,let'sseeifyoucananswersomequestionsbasedonwhatyou'vejustheard.Firstquestion,whatwasthemaintopicofthepassage?[Callonastudent]Student:Itwasmainlyaboutthedifficultiesofspacetravel,likethelongdistancesandtheharshenvironmentinspace.Teacher:Excellent!Yougotthemainidea.Now,canyoutellmeonespecificdetailaboutthedifficulties?Student:Itmentionedthatthelongjourneyinspacecanhaveanegativeimpactonastronauts'health.Teacher:Verygood.Thelongtermexposuretozerogravityandcosmicradiationinspacecanindeedcausevarioushealthproblemsforastronauts.Thisisoneofthesignificantchallengesinspaceexploration.Let'slistentothepassageagain.Thistime,Iwantyoutofocusonhowthespeakerdescribesthesedifficulties.Noticethewordsandphrasesused.[Playtheaudioagain]Whocansharesomeofthewordsorphrasesthatwereusedtodescribethedifficulties?[Inviteastudent]Student:Wordslike"extremelylong","harshenvironment","cosmicradiation",and"negativeimpact"wereused.Teacher:Exactly!Thesedescriptivewordshelpusbetterunderstandthechallenges.Forexample,"extremelylong"emphasizesthelongdistancenatureofspacetravel."Harshenvironment"givesusasenseofhowtoughitisinspace.And"cosmicradiation"isaveryrealthreattoastronauts'health.Now,let'smoveontothetalkingpart.We'llhaveagroupdiscussion.Thetopicis"Ifyoucouldbeanastronaut,whatwouldyoumostliketoexploreinspace?"I'lldivideyouintogroupsoffour.Eachgroupmembershouldtaketurnstosharetheirideas,andthenyoucandiscussandexchangeopinions.[Dividestudentsintogroupsandgivethemtimetodiscuss][Afterawhile,askeachgrouptoreport]Group1Representative:WethinkexploringMarswouldbeamazing.Wecouldlookforsignsofpastorpresentlifethere.MaybethereweresomesimpleorganismsonMarsbefore.Also,studyingtheMartianlandscapeanditsatmospherecouldhelpusunderstandmoreabouttheformationofplanets.Teacher:That'sagreatidea.Marshasalwaysbeenafocusofspaceexplorationbecauseofitspotentialforhavingonceharboredlife.Whatabouttheothergroups?Group2Representative:OurgroupwantstoexploretheringsofSaturn.Theringsaremadeupofcountlessparticles,andwe'recuriousabouthowtheywereformed.MaybewecouldalsostudythemoonsaroundSaturn.Someofthemmighthaveuniquegeologicalfeatures.Teacher:Saturn'sringsaretrulyawonderofthesolarsystem.Exploringthemcouldrevealalotabouttheearlyhistoryofoursolarsystem.Group3Representative:Wewouldliketovisitadistantstar.Weknowit'sextremelyfar,butifwecouldgetclosetoastar,wecouldstudyitsnuclearreactions.Thiscouldhelpusbetterunderstandhowstarsareborn,live,anddie.Teacher:Studyingstarsupclosewouldbeadreamformanyastronomers.Starsarethebuildingblocksoftheuniverse,andunderstandingthemiscrucialforunderstandingthebigpictureofthecosmos.Now,let'shaveamoreindepthdiscussion.Spaceexplorationisveryexpensive.Doyouthinkit'sworththehugeinvestment?Whyorwhynot?[Initiateaclasswidediscussion]Student1:Ithinkit'sworthit.Theknowledgewegainfromspaceexplorationispriceless.Itcanhelpusunderstandtheoriginoftheuniverse,andmaybeoneday,we'llfindnewresourcesinspace.Teacher:That'savalidpoint.Thepursuitofknowledgeoftenrequiressignificantinvestment,andspaceexplorationhasthepotentialtobringaboutrevolutionarychangesinourunderstanding.Student2:However,IthinkthemoneycouldalsobeusedtosolveproblemsonEarth,likepovertyandenvironmentalissues.Wehavesomanypressingproblemsherethatneedattention.Teacher:Youmakeagoodargument.ThereareindeedmanychallengesonEarththatrequirefinancialresources.ButcanwesaythatspaceexplorationandsolvingEarth'sproblemsaremutuallyexclusive?Student3:Maybenot.TechnologiesdevelopedforspaceexplorationcansometimesbeappliedtosolveproblemsonEarth.Forexample,satellitetechnologyhelpswithweatherforecastingandmunication,whichareimportantforourdailylives.Teacher:Exactly!SpaceexplorationoftendrivestechnologicaladvancementsthatcanhavefarreachingbenefitsonEarth.It'saplexissue,andthere'snosimpleanswer.Let'slistentoanotheraudio.Thistime,it'sadialoguebetweentwoscientistsdiscussingfuturespaceexplorationplans.Listencarefullyandtrytosummarizetheirmainpoints.[Playtheaudio]So,whatwerethemainpointsoftheirdiscussion?[Callonastudent]Student:TheyweretalkingaboutsendingmoreprobestoouterplanetslikeJupiterandSaturn.Theyalsomentionedtheimportanceofdevelopingnewtechnologiesforlongdistancespacetravel,suchasmoreefficientengines.Teacher:Right.Sendingprobestoouterplanetscanprovideuswithvaluabledataaboutthesegiantplanetsandtheirmoons.Anddevelopingnewtechnologiesisessentialforpushingtheboundariesofspaceexploration.Basedonwhatyou'veheard,let'stalkaboutwhatnewtechnologiesyouthinkareneededforfuturespaceexploration.[Askstudentstosharetheirideas]Student1:Weneedbettershieldingtoprotectastronautsfromcosmicradiation.Maybesomenewmaterialscanbedevelopedforthispurpose.Teacher:That'sagreatidea.Cosmicradiationisamajorobstacleforlongtermspacetravel.Newshieldingmaterialscouldmakespacetravelsaferforastronauts.Student2:Fasterspaceshipswouldbeamazing.Wecouldreachdistantplanetsinashortertime.Maybeusingsomenewenergysourceslikenuclearfusion.Teacher:Developingfasterspaceshipsisalongstandinggoalinspaceexploration.Nuclearfusionisapromisingenergysourcethatcouldpotentiallyrevolutionizespacetravelbyprovidingmuchhigherspeeds.Now,let'sdoaroleplayactivity.I'llgiveeachofyouarolecard.Someofyouwillbeastronauts,somewillbescientists,andsomewillbejournalists.Thejournalistswillinterviewtheastronautsandscientistsaboutspaceexploration.Youcanusetheknowledgeandideaswe'vediscussedtodaytocreateyourdialogues.[Distributerolecardsandgivestudentstimetoprepare][Afterpreparation,starttheroleplay]Journalist(StudentA):Hello,astronaut.Canyoutelluswhatit'sliketobeinspace?Astronaut(StudentB):Well,it'sanindescribableexperience.TheviewofEarthfromspaceisbreathtaking.Butit'salsoverychallenging.Thezerogravityenvironmenttakessomegettingusedto,andtherearealwaysrisksinvolved.Journalist(StudentA):Whatdoyouthinkisthemostimportantthingyou'velearnedduringyourspacemissions?Astronaut(StudentB):I'velearnedtheimportanceofteamwork.Inspace,everymemberofthecrewhasacrucialroletoplay.Werelyoneachotherforoursafetyandthesuccessofthemission.Journalist(StudentC):Goodday,scientist.What