高中二年级上学期英语《必修二 Unit 1 Reading）Peter》教学课件.pptx

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高中二年级上学期英语《必修二 Unit 1 Reading）Peter》教学课件.pptx

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UNIT1SCIENCEANDSCIENTISTSReadingJohnSnowDefeats“KingCholera”

LearningobjectivesBytheendoftheperiod,wellbeabletogetthedetailsabouthowJohnSnowdefeatedcholerabyskimmingandscanningandbuilduptheawarenessofpreventingthecholera.

Manyyearsago,aterriblediseasenamedcholeraintheworldkilledmillionsofpeople.Peoplewereveryafraidofit,buttheydidntknowwhattodo.Luckily,ayoungdoctordecidedtofindouthowtopreventandtreatthedisease.Finally,thedoctorwonthebattle.JohnSnowBecauseofsomescientists’greatefforts,nowthecholeraisnotasseriousasthattime.

Step1Pre-readingHerearesomefactsaboutcholera.Trytopresentthemtoyourpartnersandconsiderwhethertheyarethesameasyouexpected.1.Choleracankillsuffererswithinafewhoursiftheyareleftuntreated.2.Researchershaveestimatedthateachyearthereare1.3millionto4millioncasesofcholera,and21,?000to143,?000deathsworldwideduetocholera.3.Safewaterandwastecontrolcanpreventcholera.4.Safeandeffectivecholeravaccines(疫苗)arenowusedtocontrolthedisease.

Step2While-readingSkimthepassagequicklyandchoosethemainideaofit.JohnSnowwasawell-knowndoctorinLondon.ThecauseofCholerawaspollutedwater.Thesourceofalldrinkingwatershouldbeexamined.HowJohnSnowcollected,analyseddataandfoundthecauseofthediseaseanddefeatedit.

Step2While-readingReadthewholepassageandmatchthemainideaofeachpara.Para1Para2Para3Para4Para5Snowbeganhisstudybymarkingonthemap.JohnSnowdecidedtoprovethesecondtheory.SnowscontributionsJohnSnowdesiredtodestroycholera.Truthoftheinfectionofcholera

A:Itwasbelievedthatcholerawascausedbybad____orgermsin_______________.B:Snow____________theplaceswherethepeoplewho____hadlivedC:Manydeathsoccurrednearthe__________