Unit6SurvivalDevelopingideasPlanB-lifeonMars課件高中英語選擇性

Unit6PlanB:LifeonMarshaveaclearmapofthestructure,understandthetextandlearntheproblemshumansarefacingandourplansforthefuture;improvereadingskills-learntoinfermoremessagesfromthegiventexttostrengthentheunderstandingofthetext;deepentheunderstandingofthesubject---survival,understandtheimportanceofprotectingtheEarthandpromotehumansspiritofexplorationandadaptability.LearningAims（學習目標）:WearetoClassTask（課堂任務）:“l(fā)ivingonMars”.ConductinganinterviewaboutI.Preparation（準備）Step1.Revision（溫）Translatethekeywordsandphrases.1.

adj.

核武器的2.

v.環(huán)繞......運行3.

v.推斷，推定4.

徹底毀滅5.

包含，包括6.

與此同時7.

對......有影響8.

搜尋9.

用......代替10.

與......相似nuclearorbitinferwipeoutconsistofinthemeantime

haveaneffectonsearchfor

replace...with...besimilartoI.Preparation（準備）Step2.Lead-in（導）oilshortageGlobalwarmingEbolatheendoftheworldplanBPlanB:LifeonMars

thethingorthingssbintendstodoiftheirfirstplanisnotsuccessfulIfPlanAfails,gotoPlanB.I.Preparation（準備）Step2.Lead-in（導）WhatdoyouknowaboutMarsⅡ.Presentation（呈現(xiàn)）Step3.Read-Think-Do（思）①Trytofinishactivitiesonyourpaper.②Duringyourself-study,pleaseraiseyourquestionsandfigureouttheexplanationforeachanswer.③Whileyouread,pleasecircle

thekeywords,underline___theusefulphrasesandtick

theimportantsentencesⅡ.Presentation（呈現(xiàn)）Step4.Discussion（議）Ⅱ.Presentation（呈現(xiàn)）Step5.Show（展）Toshareyouranswersandunderstandingoftheexercises

Wetry...

Wequestion...

Weanswer...

Weadd...WhatisthemainideaofthepassageA.Todescribetheproblemsthehumanracearefacingontheearth.B.TointroducehumansmightliveonMars.C.ToexplainwhymanycountriesaretryingtoexploreMars.D.Togivesomeadviceonhowtoprotecttheearth.【Activity1】Readingformainidea【Activity2】ReadingforthestructureanddetailsPlanB:LifeonMars?ThebackgroundofPlanBpara:_________FacingthegreatestriskonEarth--1.______________problems,scientistsarethinkingofwaystoreducethisriskansalsoputforwardPlanBtopreparefortheworst.ThereasonswhyMarsisthemostlikelychoiceforhumanstoliveonpara:________Mars,which2_________________peoplesinceancienttimes,isrelativelyclosetoEarthandhasanenvironment3._____________thanthatofotherplanets,makingitthemostlikelychoiceforhumanstolive.Human’sexplorationandresearchonMarspara:__________TomakeMarsoursecondhome,wehumanshavebeensending4.______________________toittocollectinformationaboutitsincethe1960s.Althoughitisdifficulttoreachandstayingaliveisalsohardonit,theBiosphere2experimentandtherecentachievementsofthescientistshavebothprovedthatitisnot5.____________forhumanstoliveonMars.TheconclusionfromPlanBpara:_________Atpresent,humansettlementofMarsisstilldecadesawayandtheplanetEarthisgettingwarmer,sowhatwehumansshoulddonowis6._________________________theplanetEarth,whichistheonlyonewehave!environmentalhasfascinatedlesshostileunmannedspacecraftimpossibletakemuchbettercareof123-45【Activity2】ReadingforthestructureanddetailsChoosethestatementsthatcanbeinferredfromthepassage.A.HumanshaveyetnotvisitedMars.B.PeoplewanttogotoMarsonholiday.C.ThereareplantsgrowingonMars.Ⅱ.Presentation（呈現(xiàn)）Step6.Evaluation（評）Whichisbetter,toliveonMarsortosolveearth’sproblemsWhyAsfarasIamconcerned,atpresenttosolveearth'sproblemsisbetter,becausetoliveonMarsisstilldecadesaway.Ifwecan'ttakeeffectivemeasurestosolvetheearth'sproblems,humansmightgetintotroublebeforethedreamoflivingonMarscometure.Ⅲ.Practice（活用）Step7.ClassTask:（用）GroupWorkQuestions--interviewer●Whatcanyouseefromthewindowofthespacecraft●Canyougooutside●HowdoyougetfoodonMars●WhatdoyoumissaboutEarthAnswers--intervieweeⅢ.Practice（活用）Step7.ClassTask:（用）Giveyourinterviewtotheclass.Nowthinkabouthowwellyouperformedintheinterview.Voteforthebestinterview.GroupsAccuracyFluencyInnovationⅢ.Practice（活用）Step8.Summary:（結）

WhiletheMooncanbereachedwithindays,itwouldtakemonthstoreachMars,travellingt