[初二]英语教案－Lesson 20（人教版）

　　Step1Revision
　　1ReviseLesson19,Part1,asinStep3oftheTB.
　　2GettheSstoretellthestoryinSBpage19,Part2.
　　Step2Wordfamilies
　　SBpage20,Part1.SpeechCassetteLesson20.
　　Playthetape：Sslistenandrepeat.Practisetheindividualsounds,thenwordsbyshowingflashcardsrandomlyandaskingSstopronouncethewordswrittenonthem.
　　WbLesson20,Ex.1.Theanswersare：half,sock,work,month.
　　Step3Puzzle
　　SBpage20,Part2.LettheSsworkonthepuzzlealoneorwithapartner.
　　Checktheanswerswiththewholeclass.
　　Notethatinpuzzlecluesfullstopsarenotusuallyrequired.
　　Theanswersare：
　　DOWN：1September,2dangerous
　　ACROSS：1stand,2parent,3eleven,
　　4borrow,5trucks
　　Step4Checkpoint5
　　GothroughCheckpoint5intheusualway.
　　Practisethes0iusefulexpressionss0i.
　　DiscussanyproblemsraisedbytheSs.
　　Step5Workbook　　WbLesson20,Ex.2.ItisagoodideaifyouhavetheinformationavailableincasetheSsdonotknowtheanswers.　TheSsaskandanswerinpairs.ThencollecttheresultsontheBbandaskquestionsaboutthem:
　　DoesClass4havefewerboysthanClass3?
　　Step6Test
　　Giveashortdictation.
　　Look!*LiLeiisclimbing*uptheladder.*Nowhespicking*theapples.*Hesputtingthem*inabasket.*LiLeisbasket*isfull.*Itisheavier*thanJimsbasket.*LiLeihasmoreapples*thanJim,*butPollyhas*thefewestofall!
　　Step7Song
　　TeachthesonginWbLesson20,Ex.3ifthereistime.
　　Note：ThesongisontheSpeechCassette.Playthewholesongoncassettetothestudents.Thenplaythefirstverseandgetthestudentstojoinin.Dotheotherversesinthesameway.
　　Dividetheclassintothreegroupsandonegroupsingsoneverse.Repeat.
　　Ifyoulike,haveacompetitonbetweenthegroups.
　　Homework
　　RevisethelanguageitemsinUnit5.
　　LearnthecontentsofCheckpoint5.
　　Learnthewordsofthesong.