高一英语人教版必修三《Unit4AVisitToTheMoon》学案.doc

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1、学习内容Unit4Astronomy:thescienceofthestars1.Learningabilitygoals学能目标EnableSslearnhowtotalkaboutthebeginningoflifeontheearth.2.Abilitygoals能力目标a.EnableSstotalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravityWheredowecomefrom?Howdidtheuniversebegin?Whyistheuniversethew

2、ayitwas?Howwillitend?Howmuchdoyouknowaboutuniverse?Doyouwanttohaveaspacetravel?Doyouknowsomethingaboutgravity?b.Understandthetextandanswerthefollowingquestions:Whatwasthereontheearthbeforelifecouldbegin?Whydoscientiststhinktherehasneverbeenlifeonthemoon?Whydidanimalsfirstappearinthesea

3、s?Whydidgreenplantshelplifetodevelop?Whyweremammalsdifferentfromotheranimals?c.EnabletheSstounderstandthedetailsaboutthepassage,choosingthecorrectansweraccordingtothetextandputtheorderofdevelopmentoflifeintoatimelineandanswerquestions.3.Teachingmethods教学方法SkimmingandscanningAsking-and-

4、answeringactivitytochecktheSs’understandingofthetext.Individual,pairorgroupworktofinisheachtask.Discussion.【课前预习案】【自主学习】-------学前热身Step1.BesidesEarth,howmanyplanetsarethereintheSolarSystem?具体要求--------ThePlanetisnamedaftertheRomangodofwar.It's查阅书籍distinctiverustcolorisred.Itssurfacefea

5、turesmanymountains,canyonsand或上网查evenpolaricecapsthatlookalotlikethosehereonEarth.Wearedoing阅八大行someresearchtofindoutwhetherthereislifeformsonit.星的中英--------Sinceithasnoprotectiveatmosphere,thetemperature文名字onthesurfacerangesfromextremelyhotonthesidefacingtheSuntoextremelycoldontheside

6、thatfacesawayfromtheSun.ItistheclosestplanettotheSun.--------ItisnamedaftertheRomangoddessofloveandbeauty,butthesurfaceisaveryunpleasantplacefeaturingveryhightemperatures,windsthatblowhundredsofmilesperhourandanatmosphereofsulfuricacid.---------Ithasatleastsixty-onemoonsandfeaturestheG

7、reatRedSpot,whichisahuge"storm"thathasbeenobservedfromhereonEarthforoverthreehundredyears.Itisthelargestplanetinoursolarsystem.----------Ithasafascinatingsystemofrings.Ithassomanymoonsthatitislikeaminiaturesolarsystem.-----------Itisoneofthegiantgasplanetsinthesolarsystem.Ithasaveryf