Unit 1 Science and scientists Reading and thinking课件-2023-2024学年高二英语人教版(2019)选择性必修第二册

Unit 1 SCIENCE AND SCIENTISTS COVID-19(新型冠状病毒): an infectious disease In the early 19th century, an infectious disease similar to COVID-19 hit Europe. 5 The text is mainly about ____________ and _______ he defeated king cholera. how John Snow Now, let's read the passage to get information about the infectious disease. John Snow Defeated “King Cholera” Step 3.While-reading John Snow desired to destroy cholera. John Snow decided to prove the second theory. Snow's contributions Para.1 Para.4 Para.3 Para.2 1.Listen and match the main ideas with each paragraph. Para.5 Snow began his study by marking on the map and the process. Truth of the infection of cholera. 7 2. Read the 1st paragraph quickly and fill in the mind map. Cholera What? It's one of ______________________ in the world, because it causes ____________________________________________. When? _______________________ Where? _______________________ What results? _______________________ the most feared diseases severe diarrhoea, dehydration and even death . In the early 19th century Europe Millions of people died from the disease 8 3. Read Para.2 and 3 to answer the question. 1. What are the two contradictory theories. ① Bad air caused it. ② It was caused by an infection from the germs in food or water. 9 2.How did John Snow do the research? A.By using maps and statistics. B.By drinking the water himself. C.By questioning the patients. D.By experimenting with himself. 10 3.Why had some households had no deaths? A.Beer was a cure for the disease. B.They lived far away from the water pump. C.They had not drunk the water from the pump. D.They worked in the pub at 7 Cambridge Street. 11 4.How did John Snow stop the people from using the water from the pump? A.By telling people that the water was polluted. B.By asking water companies to sell pure water. C.By removing the handle of the water pump. D.By drinking more free beer. 12 multiple deaths happened here. No death happened here. The water from the pump wa