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

选择性必修二 Unit 1 To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science. —Albert Einstein & Leopold Infeld 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 Understand the questioning mind 1 Discuss the following stages of scientific research in groups. What order would you put them in? P. 2 ① ② ③ ④ ⑤ ⑥ ⑦ 2 Skim the passage to see if the order you decided in Activity 1 was correct. P. 2 3 Read the passage again and complete the chart below. 4 Match the following headers with the letters from the chart above. Write A–E in the blanks. P. 3 air food or water marked on a map died water pump hadn’t drinking water from the pump cholera germs handle D C B E A 5 Write out the questions according to the answers. P. 3 did Snow think caused cholera did Snow have the handle of the pump removed? was the cholera threat defeated 6 In groups, discuss the following questions. P. 3 He used maps and statistics to analyse where the deaths occurred. He didn't use a microscope, for example. He didn't test the water, nor did he draw blood or examine patients. The reason he did not use medical equipment such as a microscope was that they did not exist during his time. Further, understanding of germs and bacteria was still developing, and so he had to innovate methods himself based on the theory he believed. 1 What was the most important tool Snow used to defeat cholera? What common medical tools, e. g., a microscope, didn't he use? Why? 2 How has John Snow's work affected our daily lives? Snow's work has provided readily available clean water to drink, for example, as well as an emphasis on hygiene such as the need to wash hands after they become dirty. He also showed how to prevent cholera epidemics, and transformed the way scientists study diseases, which has allowed for(顾及) more protection from o