必修5 Unit 1 Reading John Snow defeats king cholera 含语言点.ppt

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1、Module5Unit1GreatscientistsWarmingupandreadingDoyouknowtheirnames?Whoarethey?GuessinggameArchimedesHewasanancientGreekmathematician.Hefoundifyouputanobjectintowater,thewaterpushestheobjectup.Whoishe?HewroteTheOriginofSpecies.Itexplainedhowanimalsandplantsdevelopedastheenvironmentchanged.CharlesDarwi

2、nWhoishe?HeimprovedthefirststeampumpbuiltbyThomasSaveryandturneditintoasteamenginefortakingwateroutofmines.LaterJamesWattturneditintothefirstmodernsteamengineusedontherailways.ThomasNewcomenWhoishe?Heusedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.GregoryMendelWhoishe?Who

3、isshe?Sheisawomanscientist.Shediscoveredradium(镭)andpolonium(钋).Inherlife,shewontheNobelPrizetwice.Sheis…MarieCurieNothinginlifeistobefeared.Itisonlytobeunderstood.生活中没有什么可怕的东西,只有需要理解的东西.Heinventedthewayofgivingelectricitytoeverybodyinlargecities.ThomasEdisonWhoishe?Geniusisonepercentinspirationandn

4、inety-ninepercentperspiration.LeonardodaVinciHewasafamousartist.Heusedtostudydeadpeopleinordertomakehispaintingsasaccurateaspossible.Whoishe?Hedevelopedasafetylampforminersin1815.Itmadeworkingconditionsundergroundverymuchsafer.SirHumphryDavyWhoishe?Heinventedthefirstseismographtoindicateinthedirecti

5、onofanearthquakes.ZhangHengWhoishe?Heputforwardatheoryaboutblackholes.StephenHarkingWhoishe?Dothequizandseewhoknowsthemost.WarmingupArchimedesCharlesDarwinThomasNewcomenGregorMendelMarieCurieThomasEdisonLeonardodaVinciSirHumphryDavyZhangHengStephenHawkingTHINKWORKFINDHowdothescientistsusuallydoscien

6、tificresearch?TheprocessFindaproblemMakeaquestionThinkofamethodCollectresultsAnalysetheresultsFindsupportingevidenceDrawaconclusionSOLVEWhatinfectiousdiseasesdoyouknowabout?CholeraistheillnesscausedbyabacteriumcalledVariancholera.Ifitinfectspeople’sintestines(肠胃),itmaycausediarrhea(腹泻),vomiting(呕吐)a

7、ndlegcramps(腹痛).Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeenpollutedbythebacteria.Whatdoyouknowaboutcholera?Choleracanbemild(不严重的)orevenwithoutsymptoms(症状),butaseverecase