Unit 1 Science and Scientists Reading and Thinking 课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera” ④ what epidemics （流行病）do you konw? bird-flu（禽流感） malaria [məˈleriə]（疟疾） plague[pleɪɡ] （鼠疫） Ebola [ɪˈbəʊlə] (埃博拉) ① ② ③ Who Helped Defeat Malaria? Choleara Add Something At Here Add Something At Here Add Something At Here Add Something At Here Add Something At Here Add Something At Here collect data think of a method analyse the results ask a question draw a conclusion find a problem find supporting evidence 1 4 2 6 7 3 5 If you are a scientist, you need to tackle a severe problem. What order would you put them in? Understand the questioning mind What will be talked about according to the title ? John Snow Defeats“King Cholera” Who ? 打败，战胜How ? What ? 1. Who was John Snow? 2. What is King Cholera? 3. How did John Snow defeat King Cholera? 5 Activity 1 Read for the main idea and check predictions Para1 Para 2 Para 4 Para 5 John Snow desire to destroy cholera. He decided to prove the second theory was correct. John began his study by marking on the map . Finally，he found out the truth of infection of cholera. John Snow ‘s great contributions . Para 3 John Snow King Cholera Identity: Symptoms: Consequence: Occupation: Nationality: Desire: one of _______________________ in the world Millions of people ________ it when it hit Europe in the early 19th century severe diarrhea, dehydration, and even _________ the most feared diseases death Britain died from A famous _______ (who even attended to _____ _______ when she gave birth) doctor Queen Victoria To destroy cholera once and for all. Para. 1 Two contradictory theories Theory one: caused by ________ Theory two: caused by _______ Symptoms Symptoms cough sneeze runny nose lung diarrhoea dehydration ✔ bad air germs Snow subscribed to the second theory. Para. 2 Find a problem 8 John Snow agreed with the second theory, but he needed proof. What did he do when cholera hit London? He discovered that in two part