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1、Unit4Astronomy:thescienceofthestarsTeachinggoals教学目标1Targetlanguage目标语言a重点词汇和短语explore,characteristicsb重点句子Writeashortarticleexplainingthreeproblemsyoumightmeetonthemoon..Youmayaskthefollowingquestionsaswellasworkoutsomemore.2Abilitygoals能力目标EnabletheSstowriteanarticleaboutyourideaorh
2、opesfortravelinginspace.3Learningabilitygoals学能目标HelptheSstolearnhowtowriteapassage.Teachingimportant&difficultpoints教学重点和教学难点TeachtheSshowtowriteanarticleaboutaspacetravel.Teachingmethods教学方法Task-basedlearningDiscussion.Teachingaids教具准备aprojector,acomputerTeachingprocedures&ways教学过程与
3、方式StepIWritingThepurposeofthiswritingisforstudentstothinkaboutwhatkindofequipmenttheywouldneedtobesafeinspace.It’sagoodopportunityforadiscussionaboutthepainsandpleasuresthatmightoccurwhentravelinginspace.Afterthediscussion,theycanwritedowntheproblemsandthewaytosolvethem.T:Ifyouaregoin
4、goffonaholiday,whatwillyoutake?S1:Iwilltakeclothes,shoes,foodandmanyotherthings.T:Butforspacetravel,youneedspecializedequipment.Whatequipmentshouldyoutake?Wehavediscussedtheminlastlesson.Whocananswerthisquestion?S2:oxygencan,spacesuit,gravityboots,watersystem,specialfood.,specialropes
5、,spacebuggy,sunglassesandspacecamera.T:Wetakesomanythingswithusinordertoavoidmanydangers.Whatarethedangers?Ifyoudon’tknowmanyenough,let’swatchthefilm“Apollo”.It’safilmaboutanAmericanspacemissionthatwentwrong.Afterthat,youshouldwritedownthedangersandthewaytosolvethem.(Watchthefilm.)Sam
6、plearticle:IfIvisitedthemoon,Imighthavethreeproblems:howtobreathe,howtoeatandhowtomovearound.IwouldhavetocarryallmyairwithmeifIwenttothemoon.Thisisbecausethemoonhasnoairofitsown.SoIwouldneedoxygentanksplacedonmybacksoIcouldbreatheallthetime.IwouldhavetotakeallmyfoodwithmeifIwenttothem
7、oon.Inthespaceship,thereisnogravitysothefoodwouldfloataround.So,IwouldmakesurethatitisspeciallymadeasspacefoodandthenIwouldbeabletoeatiteasily.IwouldfinditdifficulttomovearoundonthemoonasIwouldweighone-sixthwhatIweighontheearth.ThismeansIwouldbouncelikeaballoonifItrytowalk.Iwouldhavet
8、olear