Unit 1 Science and Scientists Reading and Thinking（情境教学课件）英语人教版2019选择性必修第二册

Unit 1 人教版2019选择性必修第二册 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera” Lead in According to these pictures, What kind of disease do you think it is? Do research COVID-19 Do you know other epidemics? Smallox(天花) Spanish Flu (西班牙大流感) Black Death(黑死病) Malaria(疟疾) Cholera (霍乱) Lead in 销售额 第一季度 第二季度 第三季度 8.2 3.2 1.4 列1 第一季度 第二季度 第三季度 8.2 3.2 1.4 列2 第一季度 第二季度 第三季度 8.2 3.2 1.4 列3 第一季度 第二季度 第三季度 8.2 3.2 1.4 列4 第一季度 第二季度 第三季度 8.2 3.2 1.4 列5 第一季度 第二季度 第三季度 8.2 3.2 1.4 列6 第一季度 第二季度 第三季度 8.2 3.2 1.4 Pre-reading Activity 1: Read it quickly and find out what order would you put the seven stages in? _____ analyze the results _____ ask a question _____ Draw a conclusion _____ collect data _____ Find a problem _____ Think of a method _____ find supporting evidence Keys: draw a conclusion think of a method collect data ask a question find a problem analyze the results Find supporting evidence 7 stages in right order Pre-reading Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right. The text is mainly about __________ and _____ he defeated king cholera. John Snow Defeated “King Cholera” John Snow how While-reading Let’s watch While-reading John Snow (1813-1858), he was an English anesthesiologist(麻醉学家) and epidemiologist(流行病学家) who is considered a pioneer in anesthesiology and public health medicine. He was the first to propose measures to prevent cholera, and his study of the 1854 cholera outbreak in Soho, west London, is considered a pioneer in epidemiological research. John Snow While-reading John Snow Defeated “King Cholera” Who? How? Where? What? Why? When? While-reading Let’ watch While-reading Let’s get more details While-reading Read the text quickly; match the main ideas. Para1: Para2: Para3: Para4: Para5: John Snow decided to prove the second theory. John Snow desired to destroy cholera. John Snow’s contributions. John Snow began his study by marking on the map. Truth of the infection of cholera. While-reading Read For the structure. Para1: Para2: Para3: Para4: Para5: John Snow decided to prove the second theory. John Snow desired to destroy cholera. John Snow’s contributions. John Snow began his study by marking on the map. Truth of the infection of cholera. What&Who How Truth Results While-reading What? Who? Where? When? What consequence? find a problem What caused Cholera? While-reading Careful-reading Two theories? ask a question Which theory is right? So he needed to think of a method to prove his opinion. Careful-reading A map of Broad Street-“Cholera Map” What method did Snow use? 1. Which houses had more than 4 deaths and which had no death in Broad Street? 2.What did Snow conclude? Multiple deaths happened here. No death happened here. He suspected that the water from the pump was to blame. analyze the results think of a method collect data Careful-reading Finding Evidence Place: Who: Event: In another part of London A woman and her daughter died of cholera because of drinking the water delivered from the pump The pump water carried cholera germs remove the handle of the pump The disease was stopped Draw a conclusion Careful-reading Read Para 2 and 3 again to complete the chart. It was believed that cholera was caused by _______ or germs in __________. The pump water carried ___________. Many deaths occurred near the ______________ in Broad Street. Some people who lived near the pump worked in the pub and _________ drunk the water from the pump, and lived. A woman and her daughter had died after ______________________________, because she had the water ____________________ every day. Snow had the handle of the pump _________. A B C D E bad air food or water water pump had not moving away from Broad Street delivered to her house cholera germs removed Snow began by _________________ the places where people _____________. marking on the map died had lived Supporting evidence Careful-reading Read Para 2 and 3 again to complete the chart. It was believed that cholera was caused by _______ or germs in __________. The pump water carried ___________. Many deaths occurred near the ______________ in Broad Street. Some people who lived near the pump worked in the pub and _________ drunk the water from the pump, and lived. A woman and her daughter had died after ______________________________, because she had the water ____________________ every day. Snow had the handle of the pump _________. A B C D E bad air food or water water pump had not moving away from Broad Street delivered to her house cholera germs removed Snow began by _________________ the places where people _____________. marking on the map died had lived theories Supporting evidence evidence process solution conclusion Careful-reading According to the Para4 and Para5 to finish the questions below. 1.What caused cholera’s outbreak in the Broad Street? The truth was that the water from the Broad Street pump had been infected by waste. 2.How were people infected with the virus of cholera? Some companies sold water from the River Thames that was polluted by raw waste. The people who drank this water were much more likely to get cholera than those who drank pure or boiled water. Careful-reading According to the Para4 and Para5 to finish the questions below. Snow’s contribution: Fortunately, we now know how to cholera, the work of John Snow. , in his use of maps and statistics, Snow the way scientists study diseases. Snow’s achievement: Snow is considered . prevent thanks to Moreover transformed the father of modern epidemiology Careful-reading John Snow Defeated “King Cholera” Who? How? What? 1. A british doctor 2. A fomous doctor 3. Desire to destroy Cholera once and for all 1.Find a problem 2.ask a question 3.Think of a method 4.collect data 5.analyze the results 6.find supporting evidence 7.Draw a conclusion 1.The most feared disease. 2.causes severe diarrhoea, dehyrati on and even death. 3.millions of people died from it. 4.cause and cure unknown Careful-reading John Snow was a well-known ________ in London in the ___ century. He wanted to find the ______ of cholera in order to help people __________ it. In 1854 when a choler ____ London, he began to gather information. He _______ on a map ______ all the dead people had lived and he found that many people who had _______ (drink) the dirty water from the ______ died. So he decided that the polluted water _______ cholera. He suggested that the _____ of all water supplies should be _______ and new methods of dealing with _______ water be found. Finally, “King Cholera” was _______. Fill in the blanks based on the text. doctor 19th cause hit marked pump source examined polluted defeated infected with where drunk carried Post-reading What made John Snow succeed in preventing “King cholera”? (try to find supporting details from the text) 1. expert as a young doctor, Jhon Snow became frustrated. In time, he rose to become a famous doctor; 2. determined He never lost his desire to cholera ance and for all; 3. careful/rigorous He suspected... He was able to announce... Discussion What made John Snow succeed in preventing “King cholera”? (try to find supporting details from the text) 4. curious/questioning mind He discovered that in two particular streets... find out why 5.creative Use a map to do research ... Discussion scientific methods scientific spirits scientific success “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 Discussion What qualities and scientific spirits do scientists have in common? strong sense of social responsibility knowledgeable courage to face difficulties committed critical thinking creativity questioning mind care for life ● ● ● ● ● ● ● ● Discussion Questions Yes No 1.Can I find the main idea of this passage？ 2.Can I match the paragraph in correct order？ 3.Can I focus on the teacher? 4.Can I find the answers in the passage? 5.Can I use my own word to retall the passage? 6.Can I participate in the class actively? 7.Can I discuss with partners actively? Reflection Evaluation sheet Homework Tell a story of what you know in your own words according to the scientific research steps in this article. Thank you $$