UNIT1 Reading and thinking-ppt课件（新人教版(2019新版)选择性必修第二册）-（2022）新人教版(2019新版)高中英语选择性必修第二册.ppt

1、coronavirusbe infected withconfirmed/suspected casesvaccine（疫苗）（疫苗）What other kinds of epidemics（流行病）do you know?Flu Bird-flu malaria plague（鼠疫）Ebola Smallpox（天花）CholeraJohn Snow Defeated“King Cholera”While Reading-Fast reading1.Read the whole text quickly and match the main ideasthe second While Re

2、ading-Careful readingIts one of _ in the world,because it causes _._(when),an outbreak of cholera hit _ milions of people _.He rose to become _,and even _ Queen Victoria when she gave birth.Snow became _ because no one knew _.However,he had a desire to _ once and for all.1.Read Para 1 carefully and

3、fill in the mind mapfrustratedhow to prevent or treat choleraa famous doctorattended to destroy cholera While ReadingTheory one:airTheory two:germs coughsneezerunny noselungdiarrheadehydrationA map of Broad Street-”Cholera Map”A map of Broad Street-”Cholera Map”What method did Snow use?While Reading

4、1)Which houses had more than 4 deaths in Broad Street?2)Which houses had no death in Broad Street?Multiple deaths happened here.No death happened here.He suspected that the water from the pump was to blame.Evidence4.Read Para 2 and 3 carefully,complete the chartWhile ReadingIt was believed that chol

5、era was caused by _ or germs in _.The pump water carried _.Many deaths occurred near the _ in Broad Street.Some people who lived near the pump worked in the pub and _ drunk the water from the pump,and lived.A woman and her daughter had died after _,because she had the water_ every day.Snow began by

6、_ the places where people _.Snow had the handle of the pump _.ABCDEbad airfood or watermarking on the mapdied had livedwater pumphad notmoving away from Broad Streetdelivered to her housecholera germsremovedSupporting evidenceWhile ReadingStageKey words or sentences1.2 contrary theories2.in two part

7、icular street the cholera was so severe.find out why3.marking on the map4.houses number 16,37,38 and 40;20 and 21;8 and 95.multiple death near the water pump;some houses had no death.6.a woman and her daughter had died,the woman liked the water.had it delivered to her house7.John Snow announced that

8、 the pump water carried cholera germs.5.Put the following scientific stages in right order.Rigorous attitude to scienceCritical thinkingCreativityWhile Reading6.Read Para 4-5 and answer the questions below.1)Water companies began to sell clean water.2)The threat of cholera around the world decreased

9、.3)He helped people know how to prevnt cholera.4)Snow transformed the way scientists study diseases.2.What contributions did John Snow make?1.What caused the outbreak of cholera in London in 1854?Was cholera defeated completely?Yes?No?In the early 19th century,an outbreak of cholera hit Europe,_(cau

10、se)millions of deaths.seeing this,John Snow became frustrated because no one knew how _(prevent)or treat cholera.At that time,doctors had two theories to explain how cholera spread.One was that bad air caused the disease and another was that cholera was caused by germs in food or water.John discover

11、ed that in two particular street _ cholera outbreak was _ severe that over 500 people died in ten days.Through his serious _(investigate),he found it was the pump water in Broad Street _ resulted in the disease.Therefore,he had the handle of the pump _(remove).It turned out that the water from the p

12、ump _(infect)by waste.Through Snows tireless efforts,water companies began to sell clean water,and the threat of cholera around the world saw _ substantial decrease.Snow transformed the way _ scientists study diseases.For this reason,he is considered the father of modern epidemiology.causingto preve

13、ntthesoinvestigationthatremovedhad been infectedathat/in whichDiscover artemisnin to treat malaria,awarded the Nobel PrizeFather of hybrid ricekeep people away from hungerDespite the danger of infection,devote to the research of COVID-19 What qualities and scientific spirits do they have in common?Discussion1.Write an article to introduce your favourite scientist.2.Finish the exe.on Page 4.