Unit 1 Reading and Thinking 学案-2022-2023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” 编制人： 审核人： 领导签字： I. Reading Task 1: Read the passage quickly and then fill in the blanks. It was a _____________ disease. •What is cholera People didn’t know its ___________. Many people died whenever there was an ______________. •How to He ___________ the exact places on the map. find evidence He did further research. Finding the __________ pump was to blame. He announced that _________ water carried the germs. •What are Water companies began to sell ____________ water. the results Cholera was _____________. Task 2: Read the passage carefully and fill in the blanks. The cholera’s severity and John Snow’s desire This illness causes _________ diarrhoea, dehydration, and even death. As a young doctor, John Snow never lost his _________ to destroy cholera The two __________ theories about cholera One theory was that bad air caused the disease. The other was that cholera was caused by an __________ from germs in food or water. John Snow agreed to the latter. John Snow’s process for stopping cholera John Snow started his investigation by locating the exact places and stopped the disease in its tracks by __________ the handle of the pump. The cause of cholera The main reason was that the water polluted by __________ was sold by water companies to people who drank this water. John Snow’s achievements and influence on the future Cholera is a problem but can be ________ due to John Snow. John Snow changed the way scientists study __________. John Snow is regarded as the father of modern epidemiology. Task 3: Fill in the blanks In the early 19th century, an outbreak of cholera hit Europe, _______ (cause) millions of deaths. Seeing this, John Snow became frustrated because no one knew how ____________ (prevent) or treat cholera. At that t