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1、Unit4Astronomy:thescienceofthestarsPeriod5 Usinglanguage:Extensivereading整体设计教材分析Thisisthefifthteachingperiodofthisunit.Asusual,theteachershouldcheckstudents’homeworkandofferchancesforthemtogooverwhattheylearnedinthelastperiodatthebeginningoftheclass.Thenleadinthenewlesson.Inthispe
2、riod,theteachingemphasiswillbeputondevelopingstudents’readingabilitybyreadingextensively.Wewilldealwithtwoparts:AVISITTOTHEMOONinUsinglanguageonPages30-31andCAUGHTBYABLACKHOLEinReadingTaskonPage66.Whilereading,getstudentslearningtousesomereadingstrategiessuchasskimming,scanning,and
3、soon.Astonewwordsandphrases,theteachercanfirstfindthosestudentsfeelmostdifficultandhelpthemtounderstand.That’senoughhere.ThereadingpassageAVISITTOTHEMOONisasciencefictionstorywhichimagineswhatitmightbelikeifanastronautvisitedthemoon.Thepurposeofsciencefictionwritingistocombinefacts
4、withastorytomakestudentsinterestedandexcitedabouttravelinspace.Itisalsotostimulateaweandwonderintothevastnessofspace.Asthisreadingusestheinformationstudentshavegainedfromthelistening,theteachercanfirstasksomestudentstoretellthelisteningtexttoleadinthetopicandthenaskstudentstoreadth
5、epassageanddosomecomprehendingexercises.Whilecheckingtheiranswerswiththewholeclass,dealwithlanguageproblemsstudentscan’tworkoutbythemselves.Thisisanextensivereadinglesson,sotheteachingstepsshouldbesimple.AstothepassageCAUGHTBYABLACKHOLE,itistocontinuetheabovestory.Theastronomersint
6、hestoryvisitaplaceinspace,whichseemsimpossibleforpeopletoreach,the“blackhole”.Itistohelpstudentsimaginewhatitislikeneara“blackhole”.Askstudentstoreadthroughthepassageandtrytoknowmoreaboutastronomyandgravity.Attheendoftheclass,askstudentstoretellthetwopassages.Inordertoarousestudent
7、s’interest,theteachercanholdacompetitionamongthem.教学重点1.Developstudents’readingskillsbyextensivereading.2.Letstudentsreadandunderstandthetwopassages.教学难点1.Enablestudentstolearntousereadingstrategiessuchasskimming,scanning,andsoon.2.Getstudentstounderstandthesciencefictionstoriesint
8、hisunit.三维目标知识目标1.Getstude
