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

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

2、cultpoints:Encouragethestudentstosharetheiropinionsbyfullyparticipatinginthediscussioninordertorealizehowtheyandotherpeopleusetheirsensesintheirstudiesanddailylife.TeachingproceduresStep1:Lead-inBrainstormingWithwhatcanweseeandhear?Howcanweknowwhetheradishisdelicio

3、us?Howcanweknowthataflowerhasapleasantsmell?Whatdowedowhenwewanttoknowwhetherthewaterinthebasinishotorcold?Howdoweknowabouttheworldaroundus?Thefivesensesare:Thesenseofsight,thesenseofhearing,thesenseoftaste,thesenseofsmellandthesenseoftouch.Theyenableustoknowthewor

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

5、mbersandletters.ThissystemiscalledWritethewords“blind”and“deaf”ontheblackboard.Write“braille”ontheblackboard.Lookatthefourpicturesandanswerthequestionbeloweachpicture•Whatcanyouseeinthispicture?•Howwouldyoujudgethelengthofthetwolines?•Howcanyouprovethatthetwolinesa

6、restraight?•Canthesymbolsbereadinonlyoneway?•Whyarepeoplemisledbytheirowneyes.•Picture1•Iftheylookatthewhitepart,youcanseeavase,ifyoulookattheblackpart,theycanseetwofaces.•Picture2•Youcanusetwopiecesofpapertocoverbothendsofthetwolines•Picture3•Theycanplacearulernex

7、ttotheline.Theycanalsousearulerdrawmorestraightlineswhichrunparalleltothetwolines.•Pictures4•KBRM,orK,13,R,MStep3:SharinginformationandObservationshowSssomepicturesWhyarepeoplemisleadbytheirowneyes?Becausethebackgroundorotherlinesconfusetheeyes.Also,whatweexpecttos

8、eecanchangewhatwesee.Actually,thebrainisconfusedandnottheeyes.Step4:Discussion•Readthethreequestionsintheshortpassageanddiscussthemingroupsoffour