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 Dffeats “King Cholera” 杨婷婷 Learning objectives At the end of this lesson, I’ll be able to: get information about how John Snow defeated cholera; summarize the stages of scientific research; talk about the significance and contribution of John’s work. Contents Warming up 01 02 03 04 Pre-reading While-reading Post-reading 05 Homework Warming up PART 01 Opening page What can you see in the photo? two girls Two girls are conducting an experiment in a school science laboratory, probably to test a theory, verify results, collect data, or develop skills needed in scientific research. conducting an experiment Opening page 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 and Leopold Infeld 提出新问题，发现新问题，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。 What qualities do Einstein and Infeld think a scientist should have? To solve a scientific problem, one not only requires some degree of technical skill but also needs the ability to ask questions and to see things in a new way. Other qualities: hard-working, patient, passionate, enthusiastic, devoted... Pre-reading PART 02 Describe the pictures Are you familiar with these situation? Nucleic Acid Test Get vaccinated Mask up Positive measures are taken to fight against Covid-19. Discussion What other kinds of epidemics do you know? plague /pleɪɡ/ influenza /ˌɪnfluˈenzə/ cholera Prediction JOHN SNOW DEFEATS “KING CHOLERA” What do you think the passage is mainly talking about? While-reading PART 03 Read for main idea JOHN SNOW DEFEATS “KING CHOLERA” What’s the main idea of the passage? A．John Snow was a well­known doctor in London. B．The cause of cholera was the polluted water. C．The source of all drinking water supplies should be examined. D．How John Snow found the cause of cholera and defeated it. Choler