(
课件网) Unit1 Science and Scientists John Snow Defeats “King Cholera” Reading and Thinking John Snow Defeats “King Cholera” What do you know about infectious diseases Infectious diseases can be spread to other people. They may have an unknown cause and need public health care to solve them. foot-and-mouth disease chickenpox medical achievements pills Vaccine (疫苗) who？ great doctors/scientists John Snow John Snow defeats “king cholera” How “What” Pre-reading John Snow Defeats “King Cholera” Who How What 1. Who was John Snow 2. What is “King Cholera” 3. How did John Snow defeat King Cholera Prediction Read for the main idea of the passage. while reading Skimming The text is mainly about _____ and _____ he defeated king cholera. how John Snow What is the text mainly about Read for the main idea of each paragraph. Para1 Para 2 Para 4 Para 5 John Snow want to use his knowledge to solve colera. He needed to prove the second theory was correct. John began his study by marking on the map & the process. He finally found out that dirty water was the cause of cholera. John Snow made great contributions to modern epidemiology. Para 3 Who How What How while reading Skimming Stages of scientific research Find a problem Ask a question Think of a method Collect data Analyse the results Find supporting evidence Draw a conclusion while reading Order Cholera Who What A _____doctor who even attend _____ when she gave birth. He had desire to _____once and for all. famous Queen Victoria destroy cholera John Snow Read para.1 quickly and fill in the mind map. Read for details. while reading Though being famous, he was still devoted to defeating “King 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. Cholera Read para.1 quickly and fill in the mind map. Find the problem Research background “King Cholera” Para. 1 Cholera was caused by bad air. Cholera was caused by an infection from germs in food or water. Para.2 Para.2 (two contradictory theories about how cholera spread) defeat order stage 1 find a problem 2 ask a question 3 think of a method 4 collect data 5 analyse the results 6 find supporting evidence 7 Draw a conclusion How does Snow’s questioning mind work in defeating “King Cholera” (Ex.3&4) It was believed that cholera was caused by bad ____ or germs in_____. A Snow _____ the places where the people who _____ had lived. B Many deaths occurred near the _____in Broad Street. C Some people _____drunk the water from the pump, and lived. A woman and her daughter died in another part of London after_____. The pump water carried _____ D The _____ of the pump was removed. E theories process evidence conclusion solution air food or water died investigated water pump hadn’t drinking the ... ...
