book5-unit1-学案read.ppt

1、Period 2 Reading John Snow Defeats “King Cholera”,John Snow,Defeat,King Cholera,Study the title,According to the passage. please put the 7 stages in right order,Fast-reading,Match them,What is the problem?,The cholera was the most deadly disease of its day. Neither its cause, nor its cure was unders

2、tood.,What caused cholera?,Details,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 it with their meals.,A map of Broad Street,What method did he use?,Br

3、oad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,analyze the results: What happened to the pump water?,The water was from the river which had been polluted by the dirty water from London.,repeat if necessary: What extra evidence did he

4、find?,two other deaths,A woman and her daughter who lived far away but drank the water also died.,draw a conclusion with certainty,The polluted water carried the disease.,Scientific Report by John Snow,Nobody knew the cause of the serious disease of cholera,a strange cloud of gas found its victims,p

5、eople absorbed the disease with meals,Collect information from the cholera outbreak to prove which theory was correct,Comprehending,He found the cause of cholera was the polluted water,Idea 2. Because the information showed that the dirty water carried cholera,He defeated cholera by examining the wa

6、ter supply and dealing with the polluted water,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 properl

7、y.,Drink boiled water,discussion,Study the poster first and then you please design a poster, introducing Cholera to people, and inform people of the ways to keep away from getting infected with cholera.,Team work,1. Surf the internet to find out: What should we pay attention to in our daily life to

8、prevent ourselves from getting infected with all these infectious diseases? 2. Write down the important words and phrases in your exercise books. 3. Underline the difficult sentences that you cannot understand.,Homework,Who is John Snow?,a famous doctor in London.,What happened to them?,It infects peoples intestines(肠道), causing diarrhoea(腹泻), vomiting(呕吐) and dehydration(脱水),Many deaths in African countries in 2005 and even now,5oo deaths in 10 days in 1854 in London.,Spread from one person to another. So it is an infectious Disease.,infect/affect people,other infe