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英语必修ⅲ人教新课标unit4教案.docx

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Unit4Astronomy:thescienceofthestars Period5Usinglanguage:Extensivereading 整体设计教材剖析Thisisthefifthteachingperiodofthisunit.Asusual,theteachershouldcheckstudents’homeworkandofferchancesforthemtogooverwhattheylearnedinthelastperiodatthebeginningoftheclass.Thenleadinthenewlesson.Inthisperiod,theteachingemphasiswillbeputondevelopingstudents’readingabilitybyreadingextensively.Wewilldealwithtwoparts:AVISITTOTHEMOONinUsinglanguageonPages30-31andCAUGHTBYABLACKHOLEinReadingTaskonPage66.Whilereading,getstudentslearningtousesomereadingstrategiessuchasskimming,scanning,andsoon.Astonewwordsandphrases,theteachercanfirstfindthosestudentsfeelmostdifficultandhelpthemtounderstand.That’senoughhere.ThereadingpassageAVISITTOTHEMOONisasciencefictionstorywhichimagineswhatitmightbelikeifanastronautvisitedthemoon.Thepurposeofsciencefictionwritingistocombinefactswithastorytomakestudentsinterestedandexcitedabouttravelinspace.Itisalsotostimulateaweandwonderintothevastnessofspace.Asthisreadingusestheinformationstudentshavegainedfromthelistening,theteachercanfirstasksomestudentstoretellthelisteningtexttoleadinthetopicandthenaskstudentstoreadthepassageanddosomecomprehendingexercises.Whilecheckingtheiranswerswiththewholeclass,dealwithlanguageproblemsstudentscan’tworkoutbythemselves.Thisisanextensivereadinglesson,sotheteachingstepsshouldbesimple.AstothepassageCAUGHTBYABLACKHOLE,itistocontinuetheabovestory.Theastronomersinthestoryvisitaplaceinspace,whichseemsimpossibleforpeopletoreach,the“blackhole”.Itistohelpstudentsimaginewhatitislikeneara“blackhole”.Askstudentstoreadthroughthepassageandtrytoknowmoreaboutastronomyandgravity.Attheendoftheclass,askstudentstoretellthetwopassages.Inordertoarousestudents’interest,theteachercanholdacompetitionamongthem. 教课要点 1.Developstudents’readingskillsbyextensivereading.2.Letstudentsreadandunderstandthetwopassages.教课难点1.Enablestudentstolearntousereadingstrategiessuchasskimming,scanning,andsoon.2.Getstudentstounderstandthesciencefictionstoriesinthisunit.三维目标知识目标