Unit 1 Science and scientists Reading and thinking 课件-2024-2025学年高中英语人教版（2019）选择性必修第二册

Science and Scientists Reading and Thinking By the end of this period, you will be able to: find out the stages of scientific research in this passage; learn about John Snow’s research process and analyze John Snow’s characters； express your idea on the given topic through creative thinking; analyze the structure of Problem-Solution pattern. Learning objectives Great secientists we have learnt before Tu Youyou Yuan Longping Einstein ④ Besides coronavirus, what other kinds of epidemics （流行病）have you heard of ? bird-flu（禽流感） malaria（疟疾） plague（鼠疫） Ebola(埃博拉) ① ② ③ Who Helped Defeat Malaria? Watch the video and leran about the symptoms (症状) of Cholera and how it spraed. dehydration (缺水) severe vomiting(呕吐) diarrhea(腹泻) It begins in the stomach and a severe case can lead to death without immediate treatment. What are the symptoms (症状) of Cholera？ Activity 01 Make a prediction John Snow Defeats “King Cholera” Who？ How？ What？ Who was John Snow? What is King Cholera? How did John Snow do about King Cholera? Pre-reading Activity 02 Careful-reading While-reading Thread: scientific research stages Read paragraph 1, search for the related information about King cholera and John Snow, and then fill in the blanks . Guide 1 Para1 John Snow Identity: one of _____________________________in the world Symptoms: severe diarrhea, dehydration, and even __________ Consequence: Millions of people _______________it when it hit Europe in the early 19th century Occupation: Nationality: __________ Desire: ________________________________________ A famous ________ (who even attended to __________________ when she gave birth) the most feared diseases death died from doctor Queen Vitoria Britain To destroy cholera once and for all. King Cholera 1. What caused cholera? Cholera was caused by _______. Cholera was caused by ________________________________ . bad air an infection from the germs in food or water Find a problem 2. Which theory is correct? Theory one: caused by ________ Theory two: caused by _______ ✔ bad air germs John Snow subscribed to the ________ theory. second Ask a question More proof is needed What method did John Snow use? Think of a method Where did many people die? & Where did no people die? What did Snow suspect? Examine the given map and talk about the questions. Para3 No death happened here. Multiple deaths happened here. He suspeeted that the water from the pump was fo blame. The cause of a mother and her daughter’s death. (pump water) conclusion The pump water carried cholera germs. solution Removed the handle of the pump. What’s the evidence for Snow’s suspecting? What’s the conclusion? Find supporting evidence & Draw a conclusion Para2-3 Read from Para, 2-3 again and complete the chart below. It was believed that cholera was caused by bad air or germs in food or water. A Snow marked on a map the places where people who died had lived. B Many deaths occurred near the water pump in Broad Street. C Some people had not drunk the water from the pump, and lived, The pump water carried cholera germs. D A woman and her daughter died in another part of London after drinking water from the pump. Snow had the handle of the pump removed. E conclusion evidence process solution theories theories solution process evidence conelusion Put the stages of Scientific Research into right order ______ analyse the results ______ ask a question ______ draw a conclusion ______ collect data ______ find a problem ______ find supporting evidence ______ think of a method Activity 03 post-reading Guide 2 04 Critical thinking Post-reading 1. What qualities do you think John Snow has? 2. Use some words to describe him and find the sentences to support your idea. Activity 04 Critical thinking Post-reading Para1 brave caring socially responsible expert determined 04 Critical thinking Post-reading Para2 determined, curious knowledgeable thoughtful Critical thinking Post-reading Para3 considerate careful 04 Critical thinking Post-reading Para5 devoted creative Innovative(创新的) 04 04 Critical thinking Post-reading Qualities of John Snow as a great scientist brave caring socially responsible expert determined curious considerate creative knowledgeable careful devoted innovative the father of modern epidemiology Despite the danger of infection, they devotethemselves to scientific research. Further-thinking In order to keep away from diseases, what should we do in our daily life? avoid gathering wash our hands do sports eat clean food 读后续写微技能:课文中含有人物心理活动的语句 1. As a young doctor，John Snow became frustrated because no one knew how to prevent or treat cholera. 2. However，he never lost his desire to destroy cholera once and for all. 3. He was determined to find out why. 要求：在课文中用马克笔勾画出以上句子 翻译并理解以上句子（注意划线部分） 背诵以上三个句子(先自己背+后同桌互背) 当堂背诵 Lavf57.58.101 $$