Section Warming Up & ReadingPreparing 预习多维感知预习多维感知Section 预习多维感知预习多维感知Step One：Ask and Discussion1Who discovered that objects in water are lifted up by a force that helps them float?_2Who wrote a book explaining how animals and plants developed as the environment changed?_3Who discovered radium?_4Who invented the way of giving electricity to everybody in large cities?_5Who put forward a theory about black holes?_答答案案：1.Archimedes2.Charles Darwin3.Marie Curie 4Thomas Edison5.Stephen HawkingStep Two：Fast Reading1Let the students read the text and then answer the following questions.(1)Why couldnt the cholera be under control at first?_答答 案案 ： Neither its cause nor its cure was understood.(2)Which theory did John Snow believe in?_答答案案：People absorbed cholera into their 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?_答答案案：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 about?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.(2)What was the original source of disease of “King Cholera”？AA cloud of dangerous gas.BThe spreading of virus among people.CWater in a certain pump in London.DA river polluted by the dirty water.(3)Why did No.21 Broad Street in London have no deaths?AThe people just drank the water from the pump.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 the unused pumps after defeating“King Cholera”？AThey would destroy them.BThey would reuse them after cleaning.CThey would desert them for good.D They would go on to use them without cleaning.答案：答案：(1)(5)CDDDBStep Three：Careful Reading1Let the students read the text carefully and then find out the main idea of each paragraph.Paragraph 1：_答案：答案：Introduction of John Snow and choleraParagraph 23：_答案：答案：Two theoriesParagraph 46：_答案：答案：Study of the outbreak in 1854Paragraph 7：_答答 案案 ： Prevention of cholera/John Snow defeated“King Cholera”2Let the students listen to the tape and fill in the blanks.Facts aboutJohn SnowJohn Snow was a famous doctor in (1)_ and once attended Queen Victoria as her (2)_He suspected that people absorbed this disease into their bodies with their (3)_ before finding out the exact cause of cholera.Through a series of study he found (4)_ was to blame for the spread of cholera and it was spread by (5)_Facts aboutcholeraCholera was the most deadly disease at that time and (6)_ people died when it broke out.There were (7)_ theories that could explain how cholera killed people before John Snow came to know the truth.Many deaths had been found near (8)_ in Broad Street.答答 案案 ： (1)London (2)personal physician(3)meals (4)the polluted water (5)germs(6)many thousands of (7)two(8)the water pumpStep Four：SummaryJohn Snowa doctor，1._ Queen Victory as her personal 2._.But he was willing to help ordinary people 3._ 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 first 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 heneeded evidence.When another outbreak hit London in 1854，he was ready to begin his 10._ and tried to get information.He found that most of the deaths were near a water pump and the spread of the disease was 11._ 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：答案：1.attended2.physician3.exposed to4.every time5.outbreak6.challenge7.absorbed8.attacked 9suspected10.enquiry11.linked to12.announce13.be examined14.defeatedStep Five: DiscussionCholera was a 19th century disease.What disease do you think is similar to cholera today？Why？What should we do?_答答案案：AIDS and H1N1 are similar to cholera today.Because they are serious， have an unknown cause and need public health care to solve them.We should wash hands with soap and clean water.We should form the good habit of going to bed early and getting up early.We should do more physical exercise.Wed better avoid going to crowded places，for example，Net bars and so on.同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全