2019-2020年高二下Unit 21《Human Biology》(Lesson 1)word教案

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1、2019-2020年高二下Unit21《HumanBiology》(Lesson1)word教案Warm-upTeachingaims1.   newwordsandphrases2.    warm-up3.    studythetext:Tochewornottochew…4.    grammar:conditionalsTeachingtimeTwoperiodsTeachingprocessStep1Revision:1.   haveadictation(unit20newwords)2.   checkhomewo

2、rkexercisesStep2newwordslearning1.asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape3.givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthenewwords,encouragethemtoasktheteacher.Step3Warm-up1.Readun

3、itobjectives,andaskthestudentstotellusthemeanings.2.warm-up:Exercise1a)askstudentsreadthekeywordsfirst,thenguesstheirmeanings,havethemtranslatethekeywordsintoChinese.b)studentsworkindividually,matchingsixofthekeywordswiththenumbersinthepicture.Then,checktheiranswers.c

4、)askthemreadthekeywords.3.Exercise2a)    listentothetapetwice,havestudentsguesswhichpartofthebodyarebeingdescribed.b)    playthecassette,pausingaftereachsectiontochecktheiranswers.C)answers:1.brain2.heart3.hungs4.eye5.liver4.Exercise3a)makesuretheclassknowwhattodo.The

5、nplaythetapetwice,asksomestudentstosaytheiranswerstotheclass.5.Exercise4:workinpairsandtestyourbody“machine”a)readouttheinstructionstotheclassandcheckthatstudentsunderstandthem.b)havethestudentsworkinpairsanddiscussthequestions.6.exercise4:givestudentsafewminutestodot

6、hequestionnaireinpairs.Thenchecktheirscoresonpage103.step4Reading1.Beforeyoustarta)readtheexercise1andgivethemafewminutestodiscussthequestionsb)asksomestudentstosharetheirideaswiththeclass.2.Readtolearna)    askthestudentslookatexercise2and3,andthenplaythecassettetwic

7、e.b)    givethemtenminutestoreadthetextandpletethetable.c)    checktheirsanswers3.exercise4a)    givestudentssometimetodotheexercisesinpairsb)    asksomestudentstoanswerthequestions4.Languagepointsa)Dietspecialistsregularlyinformusthatitisimportanttochewourfoodproperl

8、y.营养学家们经常告诫我们一定要正确咀嚼食物。句型:Itis+adj.+todosth.It是形式主语,动词不定式是真正的主语.b)itwillhelpourbodiesdigestitbetter.这样才能有助于身体更好地消化食物.helpsb.