Unit6SurvivalPeriod4Developingideas教案高中英语外研版选择性

Unit6SurvivalPeriod4Developingideas教案TopicPlanB:LifeonMars?TeacherTeachingAims:1.Getthestudentstounderstandthewholepassage.2.Improvestudents’abilityofreadinginformation.3.IntroducetheproblemsfacedbyhumansurvivalandtheeffortsmadebyhumanbeingsintheexplorationofMars.TeachingimportantPoints:1.Helpthestudentstogetthemainideabyreadingthepassage.2.Guidethestudentstofeelthethemeofthetextonthebasisofunderstanding.3.Guidethestudentstounderstandtheproblemsfacedbymankindandtheimportanceofprotectingtheearth.Teachingdifficultpoints:1.Trainingthestudentstograsptheskillsoffastreadingandgettingthetext’sstructure.2.Stimulatethestudents’readinginterestsoflearningEnglishbyreadingthetext.3.Mastersomeusageofkeysentences.Teachingmethods:QuestioninquiryTeachingTeachingtype:Reading课时oneTeachingprocedure:Teachingcontents:Step1:GreetingStep2:PrereadingStep3:FastreadingStep4:CarefulreadingStep5:PostreadingSummary:Greetthewholeclassasusual.Task1:IntroducethetopicofMarsthroughpicturesorashortvideo.Task2:GuidethestudentstodiscusssomefactualinformationaboutMars.Task3:AskthestudentstopletethequizandfindouthowmuchtheyknowaboutMars.Trytoguessiftheyarenotsureoftheanswers.HowmuchdoyouknowaboutMARS?Marsisthesmallestplanetinthesolarsystem.secondb.thirdc.fourth2.ThesurfaceofMarsiscoveredina.rocks b.water c.grass 3.TheaveragerecordedtemperatureonMarsisa.40°℃ b.2°C C.63℃ 4.OnedayonMarsisaboutlong.a.18hoursb.24hoursc.37hoursAnswers:1.Task1:GuidethestudentstoreadthepassageandfindoutwhyhumansmightliveonMars.Answer:BecauseMarsisrelativelyclosetoEarthandhasanenvironmentlesshostilethanthatofotherplanets.Task2:Matchthemainideawitheachparagraph.Para.1A．ItwillbealargechallengetosendpeopletoMars.Para.2B．Atpresent,weneedtotakemuchbettercareofourownplanet.Para.3C．Presentaproblem:WhatisourPlanBforEarth?Para.4D．ThemostlikelychoiceistoexploreMarstoseeifwecouldliveonit.Para.5E．WhatwehavedonetoexploreMarssincethe1960s.Task3:Letthestudentsreadthetextquicklyandthenchoosethebestanswers.1．Whatisthemainideaofthepassage?A．Todescribetheproblemsthehumanracearefacingontheearth.B．TointroducehumansmightliveonMars.C．ToexplainwhymanycountriesaretryingtoexploreMars.D．Togivesomeadviceonhowtoprotecttheearth.2．WhatisthegreatestrisktolifeonEarthatpresent?A．Nuclearmissiles.B．Environmentalproblems.C．Shortageofresources.D．Naturaldisasters.3．WhyisMarsthemostlikelyplanetforhumanstoliveon?A．Becauseitisfascinating.B．BecauseitiscalledtheRedPlanet.C．BecauseitisclosetoEarthandhasabetterenvironmentthanotherplanets.D．Becauseitisconvenientforhumanstoliveon.4．WhydoestheauthormentiontheBiosphere2experimentandtherecentachievementsofscientists?A．ToindicatehowdifficultitistoreachMars.B．TointroducetheprogressthatscientistshavemadeontheresearchofMars.C．TotellusthatsettlersarenotabletoreturntoEarth.D．ToillustratethatstayingaliveonMarsisnotimpossible.5．Intheauthor'sopinion,whatwehumansshoulddoatpresent?A．TosettleonMars.B．TodomorescientificresearchonMars.C．TotakemuchbettercareofEarth.D．TogrowplantsonMars.Answers:Task2:Para.1—CPara.2—DPara.3—EPara.4—APara.5—BTask3:Askthestudentstoworkingroupsandfinishthefollowingtasks.Task1.Fillintheblanksaccordingtothetext.Withenvironmentalproblemstaking1.____________asthegreatestrisktolifeonEarthtoday,scientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.Buttheyarealso2.____________(prepare)fortheworst:whatcanwedo3.____________theterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?WhatisourPlanBforEarth?Oneoptionistoexploreotherplanetstoseeifwecouldliveonthem.ThemostlikelychoiceisMars,whichisrelativelyclosetoEarthandhasanenvironmentlesshostile4.____________thatofotherplanets.Thereisnodoubt5.____________humankindisdrawntowardsMars,withdreamsofmakingitoursecondhome.However,6.____________(send)peopletherewillrequirealltheskill,courageand7.____________(intelligent)ofthehumanrace.Itwouldtakemonths8.____________(reach)Mars.AndevenifthefirstsettlersdoreachMarssafely,theymaynotbeabletoreturntoEarth—ever.Stayingalivewillbeadailychallenge.Fornow,humansettlementofMarsisstilldecadesaway.Inthemeantime,scientificresearchshowsthattheplanetEarthisgetting9.____________(warm).Thischange10.____________(cause)byhumanactivityandishavingaterribleeffectonthebiosphere.Untilwearefinallyabletoliveonanotherplanet,weneedtotakemuchbettercareofourown.Answers:5．elligence8.toreach9．warmer10.isbeingcausedTask2.Guidethestudentstoorganizethemagazineinwhichyouwouldmostlikelyfindthepassageandgiveyourreasons.TheTravellerAllAboutSpaceEnvironmentalConcernsBiologyforFunAnswer:3Task3:Guidethestudentstochoosethestatementsthatcanbeinferredfromthepassage1.HumanshaveyetnotvisitedMars.2.PeoplewanttogotoMarsonholiday.3.ThereareplantsgrowingonMars.4.ThegreatestrisktolifeonEarthusedtobenuclearmissiles.5.Oneday,humanswillhavetogoandliveonanotherplanet.6.OurPlanAincludesdevelopingrenewableenergyresources.7.TheBiosphere2experimentendedinfailure.Answers:1467Task1:LetthestudentsworkingroupsandconductaninterviewaboutlivingonMars.1.Decideyourroles.2.LookatthesamplequestionsaboutlivingonMarsandaddanymoreyoucanthinkof.Thenwritedownsomeanswers.Questions·Whatcanyouseefromthewindowofthespacecraft?·Canyougooutside?·HowdoyougetfoodonMars?·WhatdoyoumissaboutEarth?AnswersTask2:Letthestudentsactouttheinterviewwiththeirpartner.Task3:Letthestudentsthinkabouthowwelltheyperformedintheinterview.Voteinclassforthebestinterview.Thislessonsuccessfullypletedthepresettasksandachievedgoodeffects.Homework:Reviewthislessonandanswerthefollowingquestions.1.WouldyouliketobeoneofthefirstpeopletoliveonMars?Whyorwhynot?2.Whichisbetter,toliveonMarsortosolveEarth'sproblems?Why?3.Canyouthinkofa“PlanC〞tosavepeoplefromtheprobl