高中英语 unit 1 the world of our sense-welcome精品教案 牛津译林版必修3

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1、Unit1TheworldofoursenseWelcometotheunit---教案Teachingaims:1.Encouragestudentstopracticespeakingenglishmore2.Arosetheirinterestinlearningthisunitthroughactivities.3.LetthemknowtheimportanceofsensesandholdthecorrectattitudetowardsthepeoplewholoseoneoftheirssensesDifficul

2、tpoints:Encouragethestudentstosharetheiropinionsbyfullyparticipatinginthediscussioninordertorealizehowtheyandotherpeopleusetheirsensesintheirstudiesanddailylife.TeachingproceduresStep1:Lead-inBrainstormingWithwhatcanweseeandhear?Howcanweknowwhetheradishisdelicious?How

3、canweknowthataflowerhasapleasantsmell?Whatdowedowhenwewanttoknowwhetherthewaterinthebasinishotorcold?Howdoweknowabouttheworldaroundus?Thefivesensesare:Thesenseofsight,thesenseofhearing,thesenseoftaste,thesenseofsmellandthesenseoftouch.Theyenableustoknowtheworldaroundu

4、s.FillintheblanksWedoWiththesenseseeeyessighthearearshearingtastetongue/tastebudstastesmellnosesmelltouch/feelhands/feet/skintouchStep2:dealingwiththeshortpassageonthetext(page1)Doyouknowhowblindpeoplecanread?Theycanreadbytouchingraiseddotswhichrepresentnumbersandlett

5、ers.ThissystemiscalledWritethewords“blind”and“deaf”ontheblackboard.Write“braille”ontheblackboard.Lookatthefourpicturesandanswerthequestionbeloweachpicture•Whatcanyouseeinthispicture?•Howwouldyoujudgethelengthofthetwolines?•Howcanyouprovethatthetwolinesarestraight?•Can

6、thesymbolsbereadinonlyoneway?•Whyarepeoplemisledbytheirowneyes.•Picture1•Iftheylookatthewhitepart,youcanseeavase,ifyoulookattheblackpart,theycanseetwofaces.•Picture2•Youcanusetwopiecesofpapertocoverbothendsofthetwolines•Picture3•Theycanplacearulernexttotheline.Theycan

7、alsousearulerdrawmorestraightlineswhichrunparalleltothetwolines.•Pictures4•KBRM,orK,13,R,MStep3:SharinginformationandObservationshowSssomepicturesWhyarepeoplemisleadbytheirowneyes?Becausethebackgroundorotherlinesconfusetheeyes.Also,whatweexpecttoseecanchangewhatwesee.

8、Actually,thebrainisconfusedandnottheeyes.Step4:Discussion•Readthethreequestionsintheshortpassageanddiscussthemingroupsoffour