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1、Great Scientists,Step One：Fast Reading 1Let the students read the text and then answer the following questions. (1)Why couldnt the cholera be under control at first? _ 答案：Neither its cause nor its cure was understood. (2)Which theory did John Snow believe in? _ 答案：People absorbed cholera into their
2、bodies with their meals. (3)Why was there no death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge Street? _ 答案：These families had not drunk the water from the Broad Street pump.,2Scan the text and choose the best answer according to the text. (1)What does the passage mainly talk abo
3、ut? AJohn Snow was a famous doctor in London. BThe reason that caused the deadly disease cholera. CJohn Snow solved the problem of cholera. DCholera was and is a serious deadly disease.,Step Two：,(3)Why did No.21 Broad Street in London have no deaths? AThe people just drank the water from the pump.
4、BThey drunk beer as well as water from the pump. CThey didnt absorb the dangerous air. DThey suffered no germs at all.,(4)Which of the two theories that John Snow was interested in was true finally? ABoth. BThe first one. CThe second one. DNeither.,(5)What do you think the Londoners would do with th
5、e unused pumps after defeating“King Cholera”？ AThey would destroy them. BThey would reuse them after cleaning. CThey would desert them for good. DThey would go on to use them without cleaning. 答案：(1)(5)CDDDB,Para.1,1. When did Dr. Snow think the disease would be controlled?,He knew it would never be
6、 controlled until its cause was found.,Step Three: Careful Reading,People absorbed this disease into their bodies with their meals.,2. What was the second theory explaining how the disease killed people?,Para2,(2)What was the original source of disease of“King Cholera”？ AA cloud of dangerous gas. BT
7、he spreading of virus among people. CWater in a certain pump in London. DA river polluted by the dirty water.,3. How serious was the disease outbreak in London?,The cholera outbreak was so severe that more than 500 people had died in 10 days.,Para.3,Many of the deaths were near the water pump in Bro
8、ad Street.,4. Where were many of the deaths in Broad Street?,Para.4,5. Why did some houses have no deaths?,These families worked in the pub at 7 Cambridge Street. They were given free beer and so had not drunk the water from the Broad street pump.,6. What did Dr. Snow think was responsible for the d
9、isease?,It seemed the water was to blame,He told the people to remove the handle from the water pump so it could not be used.,7. What did Dr. Snow advised the people in Broad Street do?,Para.5,1 Read the text carefully and then find out the main idea of each paragraph. Paragraph 1： _ 答案：Introduction
10、 of John Snow and cholera,Paragraph 23： _ 答案：Two theories Paragraph 46： _ 答案：Study of the outbreak in 1854 Paragraph 7： _ 答案：John Snow defeated“King Cholera”,2Let the students listen to the tape and fill in the blanks.,答案：(1)London (2)personal physician (3)meals (4)the polluted water (5)germs (6)man
11、y thousands of (7)two (8)the water pump,Step Four：Summary John Snowa doctor，1._ Queen Victory as her personal 2._.But he was willing to help ordinary people 3._to cholera.Many people died 4._ there was an 5._ .He wanted to face the 6._ and solve the problem.Two theories caught her attention.The firs
12、t suggested that cholera multiplied in the air.The second suggested that people 7._ this disease into their bodies and the disease 8._ the body.John Snow 9._ the second was right but he needed evidence.When another outbreak hit London in 1854，he was ready to begin his 10._ and tried to get informati
13、on.He found that most of the deaths werenear a water pump and the spread of the disease was 11._to water.With the evidence，he was able to 12._ that polluted water carried the virus.After that，he suggested the source of all the water supplies 13._.Finally “King Cholera”was 14._.,答案：1.attended 2.physi
14、cian 3.exposed to 4.every time 5.outbreak 6.challenge 7.absorbed 8.attacked 9suspected 10.enquiry 11.linked to 12.announce 13.be examined 14.defeated,What should we pay attention to in our daily life in order not to get infected with cholera?,Heal the food left overnight,Cook raw food thoroughly,Wash hands often,Keep away from flies,choose fresh sea food,Keep the kitchen clean,Dispose rubbish properly.,Drink boiled water,Discussion,“Boil it, cook it, peel it, or forget it.“,
