Unit 1 Science and Scientists Reading and thinking 知识点课件 -2023-2024学年高中英语人教版（2019）选择性必修第二册

Reading and thinking 课文知识点 1 one of the most feared diseases 2 become frustrated 3 attend to sb 4 lose desire to do sth 5 once and for all 6 in general 7 two contradictory theories 最可怕的疾病之一 变得沮丧 照顾某人 失去做某事的欲望 一劳永逸,彻底地 一般说来 两种截然不同的看法 Important phrases 2 8 an infection from germs in food or water 9 subscribe to the second theory 10 in two particular streets 11 be determined to find out why 12 begin by marking the exact places 13 multiple deaths near the water pump 食物或水中细菌的感染 赞同第二种看法 在两条特别的街道上 下决心找出原因 从标记确切的位置开始 水泵附近多人死亡 Important phrases (P2) 3 14 suspect that the water pump is to blame 15 what’s more / moreover 16 have it delivered to her house 17 as a result of the evidence 18 have the handle removed 19 raw waste 怀疑是水泵造成的 而且 让人把它送到她家 由于这个证据 拆掉把手 未经处理的废弃物 Important phrases (P2-P3) 4 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. This illness causes severe diarrhoea, dehydration, and even death. In the early 19th century, when an outbreak of cholera hit Europe, millions of people died from the disease. As a young doctor, John Snow became frustrated because no one knew how to prevent or treat cholera. In time, he rose to become a famous doctor, and even attended to Queen Victoria when she gave birth. However, he never lost his desire to destroy cholera once and for all. para.1 in time 1) 及时地，按时 2) 迟早，终究；最终，最后 例：1. I can't ensure that he will be there in time. 2. You will learn how to do it in time.       6 In general, doctors in those days had two contradictory theories to explain how Cholera spread. One theory was that bad air caused the disease. The other was that cholera was caused by an infection from germs in food or water. Snow subscribed to the second theory. It was correct, but he still needed proof. Consequently, when an outbreak of cholera hit London in 1854, Snow began to investigate. He discovered that in two particula