(
课件网) Unit 1 Science and Scientists Period 1 Reading and Thinking ④ Besides coronavirus, what other kinds of epidemics(流行病) do you konw bird-flu（禽流感） malaria [m leri ](疟疾） plague[ple ɡ](鼠疫) Ebola [ b l ](埃博拉) ① ② ③ Who Helped Defeat Malaria Lead in See a video about cholera. John Snow Defeats “King Cholera” Who How What 1. Who was John Snow 2. What is King Cholera 3. How did John Snow defeat King Cholera Pre-reading Fast reading 1. Read the whole text quickly and match the main ideas Para1 Para 2 Para 4 Para 5 John Snow desired to destroy cholera. John Snow decided to prove the second theory. Snow began his study by marking on the map. Truth of the infection of cholera Snow's contributions Para 3 Careful reading Cholera Snow It's one of _____ in the world, because it causes _____. _____, when an outbreak of cholera hit _____, millions of people _____. He rose to become _____ , and even _____ Queen Victoria when she gave birth. Snow became _____ because no one knew _____. However, he had a desire to _____ once and for all. the most feared diseases severe diarrhoea and dehydration Para 1 In the early 19th century Europe died from the disease “King Cholera” frustrated how to prevent or treat cholera a famous doctor attended to destroy cholera Though being famous, he was still devoted to defeating “King Cholera” 2. Two Theories While Reading Theory one: air Theory two: germs More proof is needed Symptoms Theory is based on practice. Symptoms（症状） cough sneeze runny nose lung Diarrhoea dehydration A map of Broad Street-”Cholera Map” 3.What method did Snow use While Reading 1) Which houses had more than 4 deaths in Broad Street 2) Which houses had no death in Broad Street Multiple deaths happened here. No death happened here. He suspected that the water from the pump was to blame. Evidence 3. Read Para 2 and 3 carefully, complete the chart While Reading It was believed that cholera was caused by _____ or germs in _____. The pump water carried _____. Many deaths occurred near the _____ in Broad Street. Some people who lived near the pump worked in the pub and _____ drunk the water from the pump ,and lived. A woman and her daughter died after _____, because she had the water_____ every day. Snow began by _____ the places where people _____. Snow had the handle of the pump _____. A B C D E bad air food or water marking on the map died had lived water pump had not moving away from Broad Street delivered to her house cholera germs removed Supporting evidence Stage Key words or sentences 1. 2 contrary theories 2. in two particular street the cholera was so severe ..... find out why 3. marking on the map 4. houses number 16,37,38 and 40; 20 and 21; 8 and 9 5. multiple death near the water pump; some houses had no death. 6. a woman and her daughter had died, the woman liked the water.... had it delivered to her house 7. John Snow announced that the pump water carried cho ... ...
