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课件网) Unit 1 人教版2019选择性必修第二册 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera” Lead in According to these pictures, What kind of disease do you think it is Do research COVID-19 Do you know other epidemics Smallox(天花) Spanish Flu (西班牙大流感) Black Death(黑死病) Malaria(疟疾) Cholera (霍乱) Lead in Pre-reading activity 1: Read it quickly and find out what order would you put the seven stages in _____ analyze the results _____ ask a question _____ Draw a conclusion _____ collect data _____ Find a problem _____ Think of a method _____ find supporting evidence Keys: draw a conclusion think of a method collect data ask a question find a problem analyze the results Find supporting evidence 7 stages in right order Pre-reading Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right. The text is mainly about _____ and _____ he defeated king cholera. John Snow Defeated “King Cholera” John Snow how While-reading Let’s watch While-reading John Snow (1813-1858), he was an English anesthesiologist(麻醉学家) and epidemiologist(流行病学家) who is considered a pioneer in anesthesiology and public health medicine. He was the first to propose measures to prevent cholera, and his study of the 1854 cholera outbreak in Soho, west London, is considered a pioneer in epidemiological research. John Snow While-reading John Snow Defeated “King Cholera” Who How Where What Why When While-reading Let’ watch While-reading Let’s get more details While-reading Read the text quickly; match the main ideas. Para1: Para2: Para3: Para4: Para5: John Snow decided to prove the second theory. John Snow desired to destroy cholera. John Snow’s contributions. John Snow began his study by marking on the map. Truth of the infection of cholera. While-reading Read For the structure. Para1: Para2: Para3: Para4: Para5: John Snow decided to prove the second theory. John Snow desired to destroy cholera. John Snow’s contributions. John Snow began his study by marking on the map. Truth of the infection of cholera. What&Who How Truth Results While-reading What Who Where When What consequence find a problem What caused Cholera While-reading Careful-reading Two theories ask a question Which theory is right So he needed to think of a method to prove his opinion. Careful-reading A map of Broad Street-“Cholera Map” What method did Snow use 1. Which houses had more than 4 deaths and which had no death in Broad Street 2.What did Snow conclude Multiple deaths happened here. No death happened here. He suspected that the water from the pump was to blame. analyze the results think of a method collect data Careful-reading Finding Evidence Place: Who: Event: In another part of London A woman and her daughter died of cholera because of drinking the water delivered from the pump The pump water carried cholera germs remove the handle o ... ...
