高中二年级上学期英语《必修三 unit 4 拓展》教学课件

人教版必修三Unit4SpaceExplorationExpansionLead-inAlyssaCarsonCouldyouguessherworkbasedonherclothing?AstronautShewasbornin2001,andnowsheisabout21yearsold.Accordingtotheplan,theearliestplanofmannedlandingonMarsmaybein2033.Atthattime,sheis32yearsold.Beforeshecompletesthistask,shemaynotbeabletomarryandhavechildrenlikeanormalgirl,andshealsochoosestoriskherlifetoherbelovedaerospacecareer.AssumptiononterraformingofMars

createheatprimitivelifegotwatergrowupreleaseoxygenAthomeonMarsBeforeReadingPredicting:Whatdoyouthinkthepassageisabout?A.thetechnologywewillusetotraveltoMarsandotherplanetsB.whatanaveragedayonMarswillbelikeforpeopleinthefutureC.howwecanmakeMarsaplacewherepeoplecanliveBeforeReadingPrepareWordsceadbdceabWhileReadingWhileReadingDetailedquestions:1.Whatplansarescientistsworkingon?2.Whatthreebasicthingsdohumansneed?3.WhyMarsnowisn’thabitable?4.WhichwordcouldsummarizetheprocessofmakingMarshabitable?5.Whatdoes“terraforming”mean?6.What’sthemaingoalofterraformingMars?7.WhyisEarthbecomingwarmer?8.HowcouldwecreatesimilarconditionsonMars?9.ListdifficultiesinterraformingMars.Answers:1.ToturnMarsintoanewEarth2.watertodrink;airtobreathe;foodtoeat3.noenoughoxygen;noliquidwater4.Terraforming5.ChangingtheenvironmentofaplanetsothatitissimilartoEarth’s6.Towarmitup7.increasedlevelsofgreenhousegasesWhileReadingQuestion8:HowcouldwecreatesimilarconditionsonMars?changetheatmosphererainwillfall;growplantsforfoodaddmoreoxygentotheairWhileReadingDetailedquestions:1.Whatplansarescientistsworkingon?2.Whatthreebasicthingsdohumansneed?3.WhyMarsnowisn’thabitable?4.WhichwordcouldsummarizetheprocessofmakingMarshabitable?5.Whatdoes“terraforming”mean?6.What’sthemaingoalofterraformingMars?7.WhyisEarthbecomingwarmer?8.HowcouldwecreatesimilarconditionsonMars?9.ListdifficultiesinterraformingMars.Answers:1.ToturnMarsintoanewEarth2.watertodrink;airtobreathe;foodtoeat3.noenoughoxygen;noliquidwater4.Terraforming5.ChangingtheenvironmentofaplanetsothatitissimilartoEarth’s6.Towarmitup7.increasedlevelsofgreenhousegases9.Theprojectcouldtakemanycenturies;thecostwillbehigh.Turningtheredplanetgreen1.lengthoftime2.habitationmodule5.powerusedonMars6.scubagearReadfordetailsTask1:Completethefollowingsentenceswithinformationfromthereading.Notetheparagraphswhereyoufindtheinformation.BCJECIliquidwaterEarth’sbreathe18factoriesgreenhousenuclearpowerwindturbinesReadfordetailsTask2:PutthestepstolivingonMarsinthecorrectorder.Task3:Matchtheunderlinedpronountothenounitrefersto.dacbbdeThankyou!

AfterReading