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1、Unit 1 Great scientistsHe is the father of super hybrid rice and one of the great scientists. 1. Who wrote a book explaining how animals and plants developed as the environment changed?Charles DarwinDo this quiz2. Who discovered radium?3. Who invented the way of giving electricity to everybody in la
2、rge cities?Madam CurieThomas Edison4. Who put forward a theory about black holes?Stephen Hawkingmatch themPara 1Para 2Para 3Para 4Para 5 Para 6Para 77 stepsDraw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the results Find supporting evidenceFast-readingWhat i
3、s the main idea of the passage?A. John Snow was a well-known doctor inLondon.B. The case of cholera was polluted water.C. The source of all drinking water should be examined.D. How John Snow collected, analysed dataand found the cause of the disease and solved it.the content of the textPara 1Para 2P
4、ara 3Para 4Para 5 Para 6Para 77 stepsDraw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the 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 ord
5、inary people to cholera. Though the cause and the of it were unknown, he wanted to face the and solve the problem. expert attended physicianexposed curechallengeReading carefullyWhat caused cholera?What is the problem?Para.2 Make a question: Reading carefullyTwo theories(ideas): 1. Cholera multiplie
6、d 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. How 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 beg
7、an his enquiryA map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here. No death happened here.Public housePara.4 Collect 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
8、 has the largest number of deaths in this map? A. No. 12 B. No.2 C. No.38 D. No. 29 Para.5 Analyse the results Reading carefully1.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 th
9、at 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 the water also died.Para.7 draw a conclusion Reading carefully To prevent cholera from spreading again, what did John Snow do? Suggested that the so
10、urce 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 resultsAnalyse the resultsPara 1Para 2Para 3Para 4Para 5Para 6Find suppo
11、rting evidencePara 7Review 7 steps that John Snow tookSummary John 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 problem.Two theories caught her attention.The first suggeste
12、d 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 heattended physician exposed to every time outbreakchallengeabsorbed attacked suspectedneeded evidence.When another outbreak hit Lond
13、on 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 to announcebe examined defeatedpumpWrite a report: 1.The question is whether too much homework is good for us or not. 2. Use the steps to get your conclusion.Homework:
