新人教版高二英语必修五第一单元(4).ppt

Unit1 GreatScientists Let sgettoknowhowDr JohnSnowdefeated KingCholera in1854inLondoninthisreadingpassage JohnSnowDefeats KingCholera Whodefeats KingCholera Whathappenedin1854 Howmanypeoplediedin10days WhyistherenodeathatNo 20and21BroadStreetaswellasatNo 8and9CambridgeStreet JohnSnow CholeraoutbreakhitLondon 500 ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump Task1 SkimandScan Task2 Ex1onpage3 JohnSnowbegantotesttwotheories AnoutbreakofcholerahitLondonin1854 JohnSnowmarkedthedeathsonamap Heannouncedthatthewatercarriedthedisease JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere KingCholerawasdefeated hefoundthatmostofthedeathswerenearawaterpump Hehadthehandleremovedfromthewaterpump 2 1 4 7 3 8 5 6 Task True T orfalse F 1 Cholerawouldneverbecontrolledevenifitscausewasfound 2 Thediseaseattackedthebodyquicklyfromthestomachandsoontheaffectedpersondied 3 JohnSnowbegantocollecttheinformationbeforethediseasespread F T F 4 Intwoparticularstreets 500peoplediedin10dayswhenanotheroutbreakhitLondonin1854 5 DeathsofthewomanandherdaughterwerelinkedtotheBroadStreetoutbreak 6 Onlyordinarypeoplediedwhencholerabrokeout F T F JohnSnowdefeats KingCholera I Readthetextcarefullyandfillintheblanks Manypeoplediedofcholera JohnSnowtriedtofindoutits and Peopledrankwaterfromthepumpin Street Mostdied cause cure Broad Familiesweregivenfreebeerinthepubat Street Peopleremovedthe fromthewaterpump Peoplehadno Thedisease Cambridge deaths handle sloweddown watercarriedthedisease Theory2thatpeople thediseasewiththeirmealsprovedright Andtheory1waswrong thesourceofallthewatersupplies Polluted absorbed Examine Writeashortsummaryofthepassagebyfillingintheblanks JohnSnowwasawell known inLondoninthe century Hewantedtofindthe ofcholerainorderto it In1854whenacholera London hebegantogatherinformation He onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe died Sohedecidedthatthepollutedwatercarriedcholera Hesuggestedthatthe ofallwatersupplybe andthewatercompanieswere notto peopleto wateranymore Finally K