1仁爱版初中英语八年级上册教案Unit2KeepingHealthyTopic2Imustaskhimtogiveupsmoking.SectionBTeachingperson:Teachingtime:oneclassTeachingaims:1.Newwords:article,smoke,cancer,litter,dustbin,lawn,energy,necessary,enough2.Learnsomeusefulsentences:(1)Howterrible!(2)Don’twalkonthelawn.(3)It’snecessaryforyourhealth.(4)Smokingisbadforhishealth.3.Theuseof“must,mustnot”(1)Imustaskhimtogiveupsmoking.(2)Youmustputlitterintothedustbin.(3)Youmustnotthrowlitteraround.4.Helpstudentsformgoodhabits.Teachingimportance:aim1,2,3.Teachingdifficulty:It’snecessaryforsb.todosth.Teachingsteps:一、SinganEnglishsong.Thengreetbetweentheteacherandthestudents.二、ReviewthedialogofSectionA..2Asksomesentences:Stayinguplateisbadforyourhealth.Isgoingtobedearlygoodorbadforourhealth?It’sgood.Doingmorningexercisesisgoodforourhealth.三、Newlesson:(一)1a1.Readthedialogbythemselves.Findthenewwordsandunderstandtheirmeaningandpronunciation.2.Listentothetapeandreadafterit.Thinking:What’sthedialogabout?Afterreading,answerit.3.Readagainandunderstandthedialogwithsomequestions.Afterreadingit,answerthem.1)WhatisWangJunfengreading?Heisreadinganarticleaboutsmokinginthenewspaper.2)WhatdoesMaria’sfatherthinkofsmoking?Becausehethinkssmokingcanhelphimrelax.3)WhydoesMariawanttoaskherfathertogiveupsmoking?Becausesmokingisbadforourlungsanditcanevencausecancer.4.Afteransweringthem,explainandpracticeusefulphrases.Givesomeexamples.Smokingisbadforhishealth.Imustaskhimtogiveupsmoking.Theuseof“must”.Howterrible!(二)1b1.Readandmatchthesentencesbythemselves.32.Thensaythesentenceswithoutlookingatthebook.3.Summarizetheuseof“must,mustn’t”--MustIfinishthetasknow?--Yes,youmust.--No,youneedn’t.--No,youdon’thaveto.(三)Lookatthepictureandsaysomesentencesusing“mustn’t,don’t”.Forexample:Youmustn’twalkonthelawn.Don’twalkonthelawn.Youmustn’tclimbthetree.Don’tparkyourbikehereandthere.Don’ttakeyourpettotheschool.Youmustn’tthrowlitteraround.(四)2a1.Readthefollowingsentencesandunderstandthem.2.Readthemafterthetapetwice.3.Saythesentenceswithoutlookingatthebook.4.Solvethehardsentencesandusefulexpressions.It’snecessaryforsb.todosth.Forexample:It’snecessaryforustoreviewoften.四、Showsomeexercisestochecktheimportance.1._______(smoke)isbadforyourhealth.2.Wemust_______(follow)theschoolrules.3.Don’t________(read)inthesun.4.Youmustn’t________(stay)uplateatnight.5.---MustIstopwatchingTVrightnow?---No,you______________.6.It’snecessary____ustoknowsometrafficru4les.7._____sweetmusic!_____fastheruns!(WhatorHow)五、Summarizetheusefullanguagesandreadthem..六、Homework.Writesixsentencesusing“must,mustn’t,don’t“七、Thedesignoftheblackboard,SectionB1.mustdo,mustn’tdo,---MustI/wedo?---Yes,youmust.---No,youneedn’t.---No,youdon’thaveto.2.Howterrible!Whatalovelycat!3.It’snecessaryforyourhealth.4.Smokingisbadforourhealth.