(
课件网) Unit 1 Science and Scientists Reading and Thinking Learning Objectives 1.To get information about John Snow, Cholera and how John Snow defeated cholera 2.To summarize stages of scientific research by analyzing how John Snow defeated cholera 3.To talk about the significance and contribution of John’s work biology medicine agriculture geology space engineering science Latin: “knowledge” Lead-in What is science “To raise new questions, new possibilities, to regard old problems from a new angle requires creative imagination and marks real advance in science.” --Albert Einstein Science can be defined as the process of observing and _____ the world around us. Scientists aim to get _____ through a deciplined set of steps called scientific method. questioning knowledge Lead-in What is science analyze the results ask a question collect data think of a method find a problem find supporting evidence draw a conclusion Put the seven research stages in order. Lead-in John Snow (1813--1858) John Snow was born in York on March 15th, 1813, the oldest of nine children. Pre-reading John Snow Defeats “King Cholera” Who How What 1. Who is John Snow 2. What is King Cholera 3. How did John Snow defeat King Cholera The Story of Colera Watch the video & answer 3 questions ① What’s wrong with the boy’s father ② How is the disease spread ③ What are the symptoms (症状) of Cholera？ How is the disease spread polluted water flies unwashed hands Pre-reading Pre-reading What are the symptoms (症状)of Cholera？ diarrhea severe vomiting dehydration How did John Snow defeat King Cholera Important phrases lose one’s desire to do 失去做某事的欲望 once and for all 最终地;彻底地 in general 总而言之，一般来说 two contradictory theories 两种截然不同的理论 an infection from germ 细菌感染 subscribe to 同意;赞同 mark ... on a map 把……标记在地图上 deliver to 交付；传达；运输 in one’s track 在...的轨道上 pure or boiled water 纯浄水或开水 through sb’s tireless efforts 通过某人不懈的努力 the threat of ... ......的威胁 a substantial decrease 急剧下降 Important phrases While-reading Read the whole text quickly and match the main ideas. Para. 1 Para. 4 Para. 5 Para. 3 Para. 2 John Snow desired to destroy cholera. John Snow decided to prove the second theory. Snow began his study by marking on the map. Truth of the infection of cholera. Snow’s contributions. Para.1 Cholera It's one of _____ in the world, because it causes _____. _____(when), an outbreak of cholera hit _____ milions of people _____. However, he had a desire to _____ once and for all. Snow He rose to become _____ , and even _____ Queen Victoria when she gave birth.. Snow became _____ because no one knew _____. the most feared diseases severe diarrhoea, dehydration and even death In the early 19th century Europe died from the disease “King Cholera” frustrated how to prevent or treat cholera a famous doctor attended to destroy cholera While-reading Wh ... ...
