人教版必修五-unit1-great-scientists-reading课件.ppt

1、Unit 1 Great ScientistsReadingcharacteristicradium painter put forwardscientificconcludeconclusionanalysedefeat n.特征；特性特征；特性n.镭镭n.画家；油漆匠画家；油漆匠提出提出adj.科学的科学的v.结束；推断出结束；推断出n.结论；结束结论；结束vt.分析分析v.战胜战胜 n.失败失败Words previewexpert attend physician exposecure challenge adj.熟练的熟练的;经验丰富的经验丰富的n.专家专家;行家行家vt.照顾照顾;

2、出席出席;参加参加n.医生；内科医师医生；内科医师vt.暴露暴露;揭露揭露;使曝光使曝光n.治愈；痊愈治愈；痊愈vt.治愈；治疗治愈；治疗n.挑战挑战vt.向向挑战挑战Words previewvictimabsorbsuspectenquiry neighbourhood severe pump n.受害者受害者vt.吸收吸收;吸引吸引;使专心使专心vt.怀疑怀疑n.被怀疑者被怀疑者;嫌疑犯嫌疑犯n.询问询问n.附近附近;邻近邻近adj.严重的严重的;严厉的严厉的n.泵泵;抽水机抽水机vt.(用泵用泵)抽抽(水水)Words previewforesee blamepollute handl

3、elinkannounce instructvt.预见预见;预知预知vt.责备责备;谴责谴责n.过失过失;责备责备vt.污染污染;弄脏弄脏 n.柄柄;把手把手vt.处理处理;操纵操纵vt.&n.连接；联系连接；联系vt.宣布宣布;通告通告vt.命令命令;指示指示;教导教导Words previewinfectcholera deadly outbreak clueinvestigategerm certainty v.感染；传染感染；传染n.霍乱霍乱adj.致命的致命的n.爆发；发作爆发；发作n.线索；提示线索；提示v.调查调查n.微生物；细菌微生物；细菌n.确信确信Words preview

4、draw a conclusionexpose to link to Cambridge Street得出结论得出结论使显露使显露;暴露暴露将将和和联系或联系或连接起来连接起来剑桥大街剑桥大街Expressions previewWho is he?He is Archimedes(阿基米德阿基米德)Which scientist discovered that objects in water are lifted up by a force that helps them float?Charles Darwin.Who is he?He is Who wrote a book expla

5、ining how animals and plants developed as the environment changed?Thomas Newcomen.Who is he?He is Who invented the first steam engine?Gregor MendelWho is he?He is Who used peas to show how physical characteristics are passed from parents to their children?Marie CurieWho is he?She is Who discovered r

6、adium?Thomas EdisonWho is he?He is Who invented the way of giving electricity to everybody in large cities?Leonardo da VinciWho is he?He is Who was the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci The Last SupperHumphry DavyWho is he?He is Who invented a lamp

7、to keep miners safe underground?Zhang HengWho is he?He is Who invented the earliest instrument to tell people where earthquakes happened?Stephen HawkingWho is he?He is Who put forward a theory about black holes?ArchimedesCharles DarwinThomas NewcomenGregor MendelMarie CurieThomas EdisonLeonardo da V

8、inciSir Humphry DavyZhang HengStephen Hawking1.Doing a research usually goes through some certain steps.Please put these 7steps in order?Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceDraw a conclusionThink of a methodCollect

9、resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceJohn Snow1.born in 1813 in York,England.2.studied in York until the age of 14,he was apprenticed to a surgeon3.1836 the Hunterian school of medicine&work at the Westminster Hospital 18374.1838 gratuated from the Universut

10、y of London 5.1850 the Royal college of Physician6.an anesthetist(麻醉师麻醉师)It begins in the stomach and a severe case can lead to death without immediate treatment.The victims died very quickly from a loss of liquid after severe vomiting(呕吐呕吐)and diarrhoea(腹泻腹泻).2.What do you know about cholera?German

11、yGreat BritainDeath of first cholera case in London during the 1848-49 epidemic Londonin 183178,000 people diedThe spread of cholera The text is mainly about _ and how he _.Johndefeated the deadly choleraSnowDraw a conclusionFind a problemMake up a questionThink of a methodCollect resultsAnalyse the

12、 resultsPara 1Para 2Para 3Para 4Para 5Para 6Find supporting evidencePara 7What is the problem?The cholera was the most _ disease of its day.Neither its _,nor its _ was _.What caused cholera?Details 1.Find a problemdeadlycausecureunderstoodtwo theories Cholera_in the air.A cloud of dangerous gas woul

13、d _around until it found its _.People _ it with their meals.2.make up a questionmultipliedfloatvictimsabsorbedWhat caused cholera?Which theory is correct?3.think of a methodA map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pum

14、p was to blame.Public house4.collect resultsanalyze the results:What happened to the pump water?The water was from the _ which had been _ by the _ from London.5.analyse the resultsriverpolluteddirty waterWhat extra evidence did he find?A woman and her daughter who lived far away but drank the water

15、also died.7.draw a conclusion with certaintyThe polluted water carried the disease.6.find supporting evidenceMany people died of _.John Snow tried to find out its _&_ causecurePost-reading choleraTheory 1Theory 2gather information in_two particular streetsmark on a _mapFamilies were given free beer

16、in the pub at _ Street.People removed the _ from the water pump.People had no_The disease _Cambridgedeathshandleslowed downPeople drank water from the pump in _ Street.Most died.Broad_ water carried the disease.Theory 2 that people _ the disease with their meals proved right._ the source of all the

17、water supplies.PollutedabsorbedExaminesupporting evidence:the exampleDisscusion:What should we pay attention to in our daily life in order not to get infected with cholera?Drink boiled waterwash our handsDrink boiled waterDrink boiled waterwash our handskeep away form fliesDrink boiled waterwash our

18、 handskeep away form fliesfresh seafoodDrink boiled waterwash our handskeep away form fliesfresh seafoodkeep the kitchen cleanDrink boiled waterwash our handskeep away form fliesfresh seafoodkeep the kitchen cleancook raw food thoroughlyDrink boiled waterwash our handskeep away form fliesfresh seafo

19、odkeep the kitchen cleancook raw food thoroughlyput the rubbish into the dustbinDrink boiled waterheat the food left overnightwash our handskeep away form fliesfresh seafoodkeep the kitchen cleancook raw food thoroughlyput the rubbish into the dustbinFrom:Why couldnt cholera be under control at firs

20、t?What happened in 1854?How many people died in 10 days?Task 1:Skim and Scan1.Why couldnt cholera be under control at first?2.What happened in 1854?3.How many people died in 10 days?Cholera outbreak hit London.500Neither its cause,nor its cure was understood.3 John Snow finally proved the theory by

21、_.A.gathering information with the help of a map B.looking into the source of the water for Broad Street and Cambridge Street C.separating those who suffered cholera from those who didnt D.both A and BTask 2Read and AnswerWhat causes cholera?Which theory is correct?Collect informationMark informatio

22、n on a map to find out where people died or did not died1234The water is to blame.The source of all drinking water should be examined.Find other evidence to make sure the conclusionAnalyze the water to see if that is the cause of the illness567Para1What is the problem?The cholera was the deadly dise

23、ase of its day.Neither its cause,nor its cure was understood.What causes cholera?John Snow was an doctor in London who Queen Victoria as her personal and was inspired by people _ to cholera.Though the cause and the of it were unknown,he wanted to face the and solve the problem.More detailsexpertatte

24、ndedphysicianexposedchallengecurePara2 What was the two theories explaining how the disease killed people?People absorbed it into their bodies with their meals.the cholera multiplied in the air,a cloud of dangerous gas floated around until it found its victims.Theory1：Theory2：Para2 Which theory did

25、John Snow suspect was correct?He suspected that the second theory was correct but he needed evidence.Para3 Think of a methodWhat is the method of doing this research?To gather information in two particular streets.To collect resultsPara5 Finally John found the source of the water.Where it came from?

26、Para5 At last,he proved the second theory was correct by showing that cholera was spread by germs and not in a cloud of gas.Para6.What extra evidence did he find?A woman and her daughter who lived far away but drank the water from the pump also died.announce with certaintyThe polluted water carried

27、the disease.Para7(Draw a conclusion)What measures did John Snow take to prevent the disease from spreading?.suggested thatbe examinedwere instructed not to exposetoFinally,“King Cholera”was defeated.No.The map helped John Snow organise his ideas.He was able to identify those households that had had

28、many deaths and check their water-drinking habits.He identified those houses that had had no deaths and surveyed their drinking habits.The evidence clearly pointed to the polluted water being the cause.Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ cent

29、ury.He wanted to find the _ of cholera in order to _ it.In 1854 when a cholera _ out,he began to gather information.He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died.So he decided that the polluted water carried cholera.He s

30、uggested that the _ of all water supply be _ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing (in 5 minutes)Retell the passage according to below:John Snow was a well-known _ in London in the _ century.He w

31、anted to find the _ of cholera in order to _ it.In 1854 when a cholera _ out,he began to gather information.He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died.So he decided that the polluted water carried cholera.He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.Memorize the new words and expressions1Read the passage2Homework: