(
课件网) Unit 1 Science and Scientists Reading and Thinking Learning objectives In this class, you will get information about how John Snow defeated cholera; summarize the stages of scientific research; talk about the significance and contribution of John’s work. Activity 1: Read the title and predict. JOHN SNOW DEFEATS “KING CHOLERA” Who was John Snow What is King Cholera What does “defeat” mean What did John Snow do about King Cholera First reading Activity 2: Read the passage and check your predictions. 1. Who was John Snow He was a British doctor. 2. What is King Cholera It used to be one of the most feared diseases in the world and millions of people died from it in the early 19th century. a. serious n. 霍乱 First reading Activity 2: Read the passage and check your predictions. 3. What does “defeat” mean It means to win against something. 4. What did John Snow do about King Cholera He conducted research and found out how cholera spread. Second reading Activity 3: Read the passage again and find the main information in each paragraph on how John Snow defeated King cholera. Activity 3: Read the passage again and find the main information of each paragraph. Paragraph 1: Cholera hit Europe in the early 19th century and John Snow showed how it could be overcome. Para. 1: Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be overcome. … In the early 19th century, when an outbreak of cholera hit Europe… Activity 3: Read the passage again and find the main information of each paragraph. Paragraph 2: John Snow found a problem. Para. 2: In general, doctors in those days had two contradictory theories to explain how cholera spread. … He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why. a. 对立的 Activity 3: Read the passage again and find the main information of each paragraph. Paragraph 3: John Snow conducted research to stop the disease. Para. 3: Snow began by marking on a map the exact places where all those who died had lived. …Accordingly, he had the handle of the pump removed so that it could not be used. Through this intervention, the disease was stopped in its tracks. n. 把手 n. 泵 Activity 3: Read the passage again and find the main information of each paragraph. Paragraph 4: John found the truth about cholera. Para. 4: The truth was that the water from the Broad Street pump had been infected by waste. Moreover, Snow was later able to show a link between other cases of cholera and the different water companies in London. … v. to make a disease spread to sb./sth. n. connection Activity 3: Read the passage again and find the main information of each paragraph. Paragraph 5: John contributed a lot to how to prevent cholera and how to study diseases. Para. 5: … Fortunately, we now know how to prevent cholera, ... ...
