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必修5Unit1ReadingJohnSnowdefeatskingcholera含语言点Doyouknowtheirnames?ArchimedesHewroteTheOriginofSpecies.
Itexplainedhowanimalsandplantsdevelopedastheenvironmentchanged.HeimprovedthefirststeampumpbuiltbyThomasSaveryandturneditintoasteamenginefortakingwateroutofmines.
LaterJamesWattturneditintothefirstmodernsteamengineusedontherailways.Heusedpeastoshowhowphysical
characteristicsarepassedfrom
parentstotheirchildren.Whoisshe?Heinventedthewayofgivingelectricitytoeverybodyinlargecities.LeonardodaVinciHedevelopedasafetylampforminersin1815.Itmadeworkingconditionsundergroundverymuchsafer.Heinventedthefirstseismographtoindicateinthedirectionofan
earthquakes.Heputforwardatheoryaboutblackholes.Dothequizandseewhoknowsthemost.THINKWhatinfectiousdiseasesdoyouknowabout?CholeraistheillnesscausedbyabacteriumcalledVariancholera.Ifitinfectspeople’sintestines(肠胃),itmaycausediarrhea(腹泻),vomiting(呕吐)andlegcramps(腹痛).Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeenpollutedbythebacteria.Choleracanbemild(不严重的)orevenwithoutsymptoms(症状),butaseverecasecanleadtodeathwithoutimmediatetreatment.Doyouknowthisperson?What’sthemainideaofthepassage?
JohnSnowwasawell-knowndoctorinLondon.
ThecauseofCholerawaspollutedwater.
Thesourceofalldrinkingwatershouldbeexamined.
HowJohnSnowcollected,analyzeddataandfoundthecauseofthediseaseandsolvedit.drawaconclusionWhatistheproblem?makeupaquestion:Whichtheorytobelievein?AmapofBroadStreetanalyzetheresults:Whathappenedtothepumpwater?Findsupportingevidence:Whatextraevidencedidhefind?Thingstodotopreventinfectiousdiseases:Readthepassageagainandfillintheblanks:
JohnSnowwasawell-known_______inLondoninthe_____century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera______out,hebegantogatherinformation.He_______onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_______ofallwatersuppliesbe_________andthewatercompanieswere__