Unit 1 Science and Scientists Reading and Thinking课件(共40张PPT)人教版(2019)高中英语选择性必修第二册.pptxVIP

Unit1

ReadingandThinking

JOHNSNOWDEFEATS“KINGCHOLERA”

约输?斯诺战胜“霍乱王”;Cholerausedtobeoneofthemostfeareddiseasesintheworld,untilaBritishdoctor.JohnSnow,showedhowitcouldbeovercome.Thisillnesscausesseverediarrhoea,dehydration,andevendeath.Intheearly19thcentury,whenanoutbreakofcholerahitEurope,millionsofpeoplediedfromthedisease.Asayoungdoctor,JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.Intime,herosetobecomeafamousdoctor,andevenattendedtoQueenVictoriawhenshegavebirth.

However,heneverlosthisdesiretodestroycholeraonceandforall.;1.P2Asayoungdoctor,JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.

frustratedadj.懊恼的，沮丧的(形容人或人的表情、声音等)；失意的；不得志的

frustratevt.使沮丧;使懊恼frustratingadj.令人沮丧的;令人懊恼的frustrationn.懊恼；令人懊恼的事物

常见搭配：be/feel/get/becomefrustratedat/withsth.因…感到沮丧/懊恼;答案：1.

1)frustrated;frustrating;frustrated2)tiring;frustrated;that;by3)frustration

4).Whenwefailtoliveuptoourownexpectations,weoftenfeelfrustrated.;Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,buthestillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.;2.P2Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.

infectionn.感染；传染infectvt.使感染；传染infectedadj.受感染的infectiousadj.传染性的

be/becomeinfectedwith感染上…；传染上…infectiousdisease传染病;3.P2Snowsubscribedtothesecondtheory.

subscribeto赞成，同意；定期订购；定期捐助

1).Eversince