1、發(fā)現(xiàn)問(wèn)題 提出假設(shè) 思考方法 收集資料 分析結(jié)果 尋找證據(jù) 得出結(jié)論,THINK,WORK,FIND,Do scientific research,(The process),Find a problem Make a question Think of a method Collect results Analyse the results Find supporting evidence Draw a conclusion,SOLVE,John Snow defeats “King cholera霍亂王”,Reading,What is Cholera?,It is a kind of t

2、errible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat. It begins in the stomach and a severe case can lead to death without immediate treatment. And the victims died very quickly from a loss of liquid after severe vomiting(嘔

3、吐) and diarrhoea(腹瀉).,Do you know what was this map used for in 1854?,Task 1:Skim and Scan,Who defeats “King Cholera“? What happened in 1854? How many people died in 10 days? Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?,John Snow,Cholera outbreak hi

4、t London.,500,These families had not drunk the water from the Broad Street pump.,Task 2,detailed reading,Read and answer: Para.1,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

5、 wanted to face the and solve the problem.,expert,attended,physician,exposed,cure,challenge,Paragraph 2 make up a question: Which theory to believe in?,idea 1,idea 2,Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims.,People absorbed

6、it with their meals.,John Snow finally proved the theory he believed by _. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. separating those who suffered cholera from those who didnt D. both A and B E. both A and C,Parag

7、raph 3&4,A map of Broad Street,What method did he use?,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,Paragraph 5,Why did he tell people to remove the handle from the pump? What happened after the handle was removed?,So that ,slowed

8、 down,Paragraph 6,What s the extra evidence?,Two other deaths in another part of London that were linked to the Broad Street outbreak.,Paragraph 7,What are John Snows suggestions?, The source of all water supplies should be examined. New methods of dealing with polluted water should be found. The wa

9、ter companies were also instructed not to expose people to polluted water anymore.,Do you know what was this map used for in 1854?,Finding out the cause of Cholera.,Task 3,Mind Map of the text,John Snow Defeats “King Cholera”,Mark information on a map to find out where people died or did not died,Ga

10、ther information on those who were ill or died and where they got their water,What causes cholera?,Which theory is correct?,Analyse the water to see if that is the cause of the illness,Find other evidence to make sure the conclusion,The water is to blame. The source of all drinking water should be e

11、xamined.,Read the passage again and fill in the blanks: John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many

12、 people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.,doctor,19th,cause,defeat,broke,marked,pump,source,examined,dealing,(in 5 minutes),Homework,What should we pay attention to in our daily life to prevent ourselves from getting infected with all these infectious diseases?,Discuss