2013北师大版高二下unit 21《human biology》word教案

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1、Unit21HumanBiologyTeachingaims1.wordsandphrases2.towriteadiscursiveessay3.topractiseusinglinkingwordsandphrases4.tolistentoandunderstandaTVpaneldiscussion5.tofinishtheexercisesaboutthetext6.pronunciationTeachingtimeTwoperiodsTeachingprocess[Step1Revisi

2、on1.dictation2.checkthehomeworkexercises[Step2newwordslearning1.asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape.Step3writing1.exercise1a)askstudentstoreadthegivenwordsandexpressionsinexercise1fi

3、rst.b)readtheinstructionsandtheexamplesentencetotheclass.c)asksomestudentsdoexercise1onblackboard2.exercise2a)givestudentsafewminutestoreadthetextanddotheexerciseb)checktheiranswers3.exercise3a)studentsdotheexerciseindividuallyb)checktheiranswersbyhavi

4、ngindividualsreadoutthesentences.step4listening:aTVprogramme1.exercise1a)readoutthetypesofprogrammetotheclass.makesurethattheyunderstandwhattheyare.b)lookatthepicture,letstudentsguesswhattypeofprogrammethisis.2.exercise2a)listentothecassetteforstudents

5、tochecktheiranswertoexercise1.b)playthetapeagain,letstudentsputthesetopicsintheordertheyarementioned.3.exercise3a)letstudentsreadthesentencesfirstb)playthecassettetwiceforthemtocompletethesentence.c)checktheiranswersstep5pronunciation:exercise41.givest

6、udentsafewminutestoreadthroughthesentencesandtheoptionanswers2.playthetapetwiceforstudentstolistenandchoosethecorrectmeaning.3.checktheanswersstep6speaking:adiscussion1.exercise1,readouttheinstructionstotheclassfirst.thenplaythecassettetwiceforstudents

7、todecidewhatTom’sandJan’sopinionsare.2.exercise2a)letstudentsreadthroughthewordsandcolloquialexpressions.b)playthetapetwiceforstudentstomatchthewordsandexpressions3.exercise3,studentsdotheexerciseinpairs,thenchecktheiranswers.step7homeworkexercise2onpa

8、ge87