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1、Period2Step1Homeworkcheckingp41ListeningStep2Leadin1.Invite2-3Sstointroducethescientiststheyadmiremosttotheclass2.BackgroundintroductiontoJohnSnowJohnSnow(1813-1858)wasbornandworkedasadoctorinGreatBritain.Hewasoriginallyananesthetist(麻醉师).HewassofamousthathebecamethedoctorforQueenVictoriaatt
2、hebirthsofhermanychildren.Fouroutbreaksofcholerainthe1830sand1840skilledmanypeopleinEngland.In1854,themostterribleoutbreakofcholerawhicheveroccurredinthekingdombegan.Itwassoviolentandsuddenthat127peoplediedinthefirstthreedays.3.Giveinformationofthedeadlydiseasecholera1)Whatinfectiousdiseases
3、doyouknow?(AIDS,SARS,H5N1,pig-bornedisease猪链球菌)2)Whatkindofdiseaseisit?NameofcholeraSymptom(症状)severevomit(呕吐)anddiarrhoea(腹泻)Aftereffectdiequicklyfromalossofliquid4.MakeupaquestionWhatwasthecauseofthisdisease?HowdidJohnSnowfinditout?GetSstoimagineanddescribeHowJohnSnowdefeatcholerabymakingu
4、seofthekeywordscholera,outbreak,severe,deadly,infectious,examine,expose,analyse,control,cure,defeatStep3Reading1.Fastreading:ReadthetextquicklyandfindoutthemainideaofeachparagraphPara1:theproblemPara2:thecause----twotheoriesPara3:themethodPara4:thediscoveryPara5:theresultandconclusionPara6:t
5、hesuggestion2.Showpicturesofwaterpumpandteachhandle3.Carefulreading:Readthetextcarefullyandfillinthechart(Ex1,p3)Step4Discussion1.(Groupwork)DiscusshowJohnSnowinvestigatecholera.Putthestagesinexaminingthediseaseintherightorder.DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindapr
6、oblemAnalysetheresultsRepeatifnecessary2.P3,Ex2,Q3:DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?Giveyourreasons.StepVI.Homework1.FinishP4,Ex1,2(onSB)Ex3makesentencesonexercisebook(makeone’swayto,makeupone’smind,makesure,makeroomfor)2.FindoutthephrasesaccordingtotheChinese(part1o
7、nthepaperforlanguagepoints)3.RetellthestoryJohnSnowDefeats“KingCholera”byfollowingthe7steps4.ReadnotestoUnit1,findoutsomedifficultpointswhilereadingthetext
