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1、Unit 1 Great scientistsJOHN SNOW DEFEATS“KING CHOLERA”ReadingHe was a famous doctor in London who attended Queen Victoria as her personal physician1.Who was John Snow?What is the main idea of the passage?A.John Snow was a well-known doctor in London.B.The case of cholera was polluted water.C.The sou
2、rce of all drinking water should be examined.D.How John Snow collected,analyzed data and found the cause of the disease and solved it.2.the content of the textPara 1Para 2Para 3Para 4Para 5Para 6Para 7 7 stepsDraw a conclusion Think of a method Collect results Make a questionFind a problem Analyze t
3、he results Find supporting evidenceCareful ReadingPara.1 Find a problem.John Snow was an doctor in London who Queen Victoria as her personal .He thought about helping ordinary people to cholera.Though the cause and the of it were unknown,he wanted to face the and solve the problem.expertattendedphys
4、icianexposedcurechallengeReading carefullyWhat caused cholera?What is the problem?Para.2 Make a question:Reading carefullyTwo theories(ideas):1.Cholera multiplied in the air.2.People absorbed it into their bodies with their meals.Para.3 Think of a method Reading carefully1.What happened in 1854?2.Ho
5、w many people died in 10 days?3.What did John Snow do at that time?Cholera outbreak hit London.More than 500He suspected the second theory was right and began his enquiryA map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.Public housePara.4 Collec
6、t results Reading carefullyThese families had not drunk the water from the Broad Street pump.It seemed that the water was to blame for cholera.？Which house has the largest number of deaths in this map?A.No.12 B.No.2 C.No.38 D.No.29 Para.5 Analyze the results Reading carefully1.What happened to the p
7、ump water?2.what did the people do？The water was from the river polluted by the dirty water from London.Remove the handle from the water pump so that it could not be used.Para.6 Find supporting evidenceReading carefullyWhat s the extra evidence?A woman and her daughter who lived far away but drank t
8、he water also died.Reading carefully Suggested that the source of all water supplies be examined.Instructed the water companies not to expose people to the polluted water any more.The polluted water caused cholera.Draw a conclusionFind a problemMake a questionThink of a methodCollect resultsAnalyze
9、the resultsPara 1Para 2Para 3Para 4Para 5Para 6Find supporting evidencePara 7Review 7 steps that John Snow tookSummaryJohn Snowa doctor，_ Queen Victory as her personal _.But he was willing to help ordinary people _ cholera.Many people died _ there was an _.He wanted to face the _ and solve the probl
10、em.Two theories caught her attention.The first suggested that cholera multiplied in the air.The second suggested that people _ this disease into their bodies and the disease _ the body.John Snow _ the second was right but heattendedphysicianexposed toevery timeoutbreakchallengeabsorbedattackedsuspec
11、tedneeded evidence.When another outbreak hit London in 1854，he was ready to begin his _ and tried to get information.He found that most of the deaths were near a water _ and the spread of the disease was _ water.With the evidence，he was able to _ that polluted water carried the virus.After that，he suggested the source of all the water supplies _.Finally“King Cholera”was _.enquirylinked toannouncebe examineddefeated pumpWrite a report:The question is whether too much homework is good for us or not.2.Use the steps to get your conclusion.Homework:
高中二年级英语必修5第一课时课件
