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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Welcome,Unit 1,Great scientists,WelcomeUnit 1 Great scientis,1.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin,Do this quiz,1.Who wrote a book explainin,2.Who discovered radium?,3.Who invented the way of giving electricity to everybody in large cities?,Madam Curie,Thomas Edison,2.Who discovered radium?3.Wh,4.Who,put forward,a theory about black holes?,Stephen Hawking,4.Who put forward a theory ab,Reading,Reading,match them,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,Para 7,7 steps,Draw a conclusion,Think of a method,Collect results,Make a question,Find a problem,Analyse,the results,Find supporting evidence,Fast-reading,match themPara 1Para 2Para 3Pa,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 source of all drinking water should,be examined.,D.How John Snow collected,analysed data,and found the cause of the disease and,solved it.,the content of the text,What is the main idea of the p,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,Para 7,7 steps,Draw a conclusion,Think of a method,Collect results,Make a question,Find a problem,Analyse,the results,Find supporting evidence,Careful Reading,Para 1Para 2Para 3Para 4Para 5,Para.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.,expert,attended,physician,exposed,cure,challenge,Reading carefully,What caused cholera?,What is the problem?,Para.1 Find a problem.,Para.2,Make a question:,which theory is correct?,Reading carefully,Two theories(ideas):,1.Cholera,multiplied,in the air.,2.People,absorbed,it,into,their bodies,with their meals,.,Para.2 Make a question:Read,Para.3,Think of a method,Reading carefully,1.What happened in 1854?,2.How many people died in 10 days?,3.What did John Snow do at that time?,Cholera,outbreak,hit London.,More than 500,He,suspected,the second theory was right,and began his,enquiry,Para.3 Think of a method Readi,A map of Broad Street,What method did he use?,Broad Street,Many deaths happened here.,No death happened here.,Public house,Para.4 Collect results,Reading carefully,These families had not drunk the water from the Broad Street pump.,It seemed that the water,was to,blame,for,cholera.,？,A map of Broad StreetWhat met,Which house has the largest number of deaths in this map?,A.No.12 B.No.2 C.No.38 D.No.29,Which house has the largest nu,Para.5,Analyse,the results,Reading carefully,What happened to the pump 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.5 Analyse the results R,Para.6,Find supporting evidence,Reading carefully,What s the extra evidence?,A woman and her daughter who lived far away but drank the water also died.,Para.6 Find supporting evide,Para.7,draw a conclusion,Reading carefully,To prevent cholera from spreading again,what did John Snow do?,Suggested that the source of all water supplies be examined.,Instruct,ed the water companies not to,expose,people,to,the polluted water any more.,The polluted water caused cholera.,Para.7 draw a conclusion Rea,Draw a conclusion,Find a problem,Make a question,Think of a method,Collect results,Analyse,the results,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,Find supporting evidence,Para 7,Review 7 steps that John Snow took,Draw a conclusionFind a proble,Summary,John Snow,a 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 problem.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 he,attended,physician,exposed to,every time,outbreak,challenge,absorbed,attacked,suspected,Summaryattendedphysicianexpose,needed 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 _.,enquiry,linked to,announce,be examined,defeated,pump,needed evidence.When another o,Write a report:,The question is whether too much,homework is good for us or not.,2.Use the steps to get your conclusion.,Homework:,Write a report:Homework:,
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