人教英语必修5__Unit1_Warming_up_and_Reading.ppt

Do you know what did this map was used for in 1854? Finding out the cause of Cholera. 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? Task 1:Skim and Scan 1.Who defeats “King Cholera“? 2. What happened in 1854? 3. How many people died in 10 days? John Snow Cholera outbreak hit London. 500 4. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? These families had not drunk the water from the Broad Street pump. 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 Draw a conclusion Find a problem Make up a question Think of a method Collect results Analyse the results Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Match them Analyse results Para 7 Task 2 Read and answer 1 Why couldn’t the cholera be under control at first? 2 Which theory did John Snow believe in? Neither its cause, not its cure was understood. People absorbed cholera into their bodies with their meals. 3 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 didn’t D. both A and B 4. To prevent the cholera from spreading again, what did John Snow do? Suggested that the source of all water supplies be examine. Suggested that new methods of dealing with polluted water be found. Instructed the water companies not to expose people to the polluted water anymore. Task 3 Mind Map of the text John Snow began to test two theories. An outbreak of cholera hit London in 1854. John Snow marked the deaths on a map. He announced that the water carried the disease. John Snow investigated two streets where the outbreak was very severe. King