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” Lead in   Are you familiar with these situations ? Mask up Get vaccinated Nucleic acid tests Positive measures are taken to fight against Covid-19. Lead in Besides coronavirus, what other kinds of epidemics(流行病) do you know? Discussion & Cooperation Task： the main idea of each paragraph The exercises of Activity 2 on worksheet Requirements: take notes down while discussing mark the unsolved problems and be ready to put up questions John Snow Defeats “King Cholera” Read for the main idea (who) Para.1 (how) Para.2-3 (what) Para.1 The truth Para.4 Results and significance Para.5 John Snow cholera Who? A ________ doctor who even attended _______________ when she gave birth. What? He had a desire to ________________ once and for all. famous destroy cholera What? It used to be one of_________________________________________ because it causes______________________________________________. When? _____________________________________________________________. Where? _____________________________________________________________. What consequence? Millions of people _______________________________. the most feared diseases in the world severe diarrhoea, dehydration and even death In the early 19th century Europe died from the disease Queen Victoria “King Cholera” = ________ cholera deadly While Reading: Para.1 background Stages Key words or sentences 1. 2. 3. 4. 5. 6. 7. analyse the result ask a question draw a conclusion collect data find supporting evidence think of a method find a problem While Reading： Para.2&3 How ? two contradictory theories in two particular street the cholera was so severe ..... find out why marking on the map houses number 16,37,38 and 40; 20 and 21; 8 and 9 multiple death near the water pump ; some houses had no death. a woman and her daughter had died, the woman liked the water.... had it delivered