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” To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science. Unit 1 Science and Scientists 提出新的问题，发现新的可能，从新的角度审视已存在的问题，这些需要创造性的想象力，并标志着科学的真正进步。 ——阿尔伯特·爱因斯坦 &利奥波德·英费尔德 Are you familiar with these situations ? measure body temperature 测量体温 stay at home/put in quarantine/ˈkwɒrəntiːn/ 居家隔离 receive nucleic/njuːˈkleɪɪk/ acid tests 核酸检测 get vaccinated/ˈvæksɪneɪt/ 接种疫苗 Positive measures are taken to fight against Covid-19. What other kinds of epidemics do you know? John Snow Defeated “King Cholera” bird-flu（禽流感） malaria（疟疾） plague（鼠疫） Ebola(埃博拉) John Snow (15 March 1813 – 16 June 1858) was a British physician and a leader in the adoption of anaesthesia and medical hygiene. 约翰·斯诺(1813年3月15日- 1858年6月16日)，英国内科医生，麻醉和医疗卫生的领导者。 John Snow Video Time Video Time Pre-reading 1. Who was John Snow? 2. What is King Cholera? 3. How did John Snow defeat King Cholera? John Snow Defeats “King Cholera” Who ? How ? What ? Pre-reading John Snow Defeats “King Cholera” Who ? How ? What ? The text is mainly about ____________ and _______ he defeated king cholera. how John Snow scientific research ? Discuss the following stages of scientific research in groups and put them in the correct order. Stages of Scientific Research 1. find a problem 2. 4. 3. 5. 6. 7. draw a conclusion collect data ask a question find supporting evidence analyze the results think of a method How did Snow defeat cholera? 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 Read passage quickly and match the main ideas. Para 1 Research background 2. Why was the disease called “”King Cholera? Cholera used