Unit 1 Science and Scientists Reading and Thinking 课件-2025-2026学年高中英语人教版选择性必修第二册

该高中英语课件围绕John Snow击败霍乱的科学故事展开，课堂导入通过列举屠呦呦等科学家、讨论传染病类型、观看霍乱视频及分析症状，搭建从已知到未知的学习支架，引导学生理解科学研究的基本步骤。 其亮点在于通过预测阅读、分段梳理科学研究阶段、结合“死亡地图”分析数据，培养学生批判性思维与问题解决能力（思维品质），小组讨论科学精神提升语言表达（语言能力）。采用图表归纳过程，学生能掌握阅读策略与科学思维，教师可借助结构化活动提升教学效率。

Defeats “King Cholera” 选必2 Unit 1 Science and Scientists 1. acquire some information about how John Snow defeated cholera; 2. identify the stages of scientific research; 3. discuss the significance of John’s contribution and learn from his qualities and scientific spirits. In this period, you will be able to: Learning objectives 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& Leopold Infeld 提出新的问题，发现新的可能，从新的角度审视已存在的问题，这些需要创造性的想象力，并标志着科学的真正进步 —阿尔伯特·爱因斯坦 &利奥波德·英费尔德 Quote List the great secientists we’ve learnt. Tu Youyou Yuan Longping Albert Einstein Lead-in 新型冠状病毒肺炎：Corona Virus Disease 2019， 简称 COVID-19 禽流感：Bird flu 甲流 Influenza A/Flu A 埃博拉 Ebola virus 黑死病：Black death 黄热病：Yellow fever 肺结核：Pulmonary tuberculosis（简称TB） 艾滋病：Acquired Immune Deficiency Syndrome 获得性免疫缺陷综合征 (简称AIDS) 非典：Severe Acute Respiratory Syndromes 重症急性呼吸综合征 (简称SARS) Besides malaria, what other infectious diseases do you know ? Brainstorm 6 Enjoy a video clip about Cholera Lead-in 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 of Cholera？ Discussion Understand the questioning mind JOHN SNOW DEFEATS “KING CHOLERA” Reading Task 1 Reading for prediction John Snow Defeats “King Cholera” According to the title, the story is going to tell us information about... who is John Snow? what is King cholera? how to defeat cholera? John Snow “King Cholera” Defeats Task 1. Read the title and predict the main idea. John Snow Defeats “King Cholera” What does “ King ” imply in the title? The name of cholera The causes of cholera Cholera spread fast Cholera is severe and hard to cure Who? How? What? The text is mainly about ____________ and ______ he defeated king cholera. how John Snow Task 2 Discuss the stages of scientific research analyse the results ask a question draw a conclusion collect data find a problem find supporting evidence think of a method Order ? Pairwork stages of scientific research 7. draw a conclusion 6. find supporting evidence 5. analyze the results 4. collect data 3. think of a method 2. ask a question 1. find a problem Para1 Para 2 Para 4 Para 5 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 3 Task 3. Read for the main idea for each paragraph and check the research stages Who What How How Read Para. 1 and fill in blanks John Snow King Cholera Identity: Symptoms: Consequence: Occupation: Nationality: Desire: one of ________________ in the world _______ of people died from it when it hit Europe in the early 19th century _____________________________________ _______ when she give birth) the most feared diseases severe diarrhoea, dehydration, and even death Britain Millions A famous _______ (who even attend to _____ doctor Queen Victoria To destroy cholera once and for all. Detailed reading Despite his great fame, he was still devoted to defeating “King Cholera” ？ Because of its severity. IN CONSEQUENCE (OF STH) 15 Two theories The first theory caused by bad air Cholera was caused by an infection from the germs in food or water. The second theory Find the problem Two contradictory theories Snow subscribed to the 2nd theory, but he needed proof. Para. 2 Step 1 a problem Step 2 Ask a question Step 3 Think of a method to defeat cholera Detailed reading Read Para. 2 and identify the stages. /sɪˈvɪə(r)/ Two streets caught his attention. 17 What method did he use? How did he finally find out why? marking on a map(cholera map) Analyze the map and circle the key areas with your group members. 1.Which houses had more than 4 deaths in Broad Street? 2.Which houses had no death in Broad Street? They drunk the water from the pump. They drunk free beer from the Public house. pub Finding: multiple deaths happened near the water pump. 16, 37, 38 and 40 14, 20, 21, 25, 27, 28 and 34 Para 3: Think of a method Detailed reading Think of a method Collect data Analyze the results Find supporting evidence Conclusion solution Read Para. 3 and find out how Snow defeated cholera. /sɪˈvɪə(r)/ Two streets caught his attention. 19 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. Q1: What’s the supporting evidence ? Q: 2 What’s the conclusion? Read Para.4 and answer: Detailed reading What contributions did John Snow make? Detailed reading Read Para. 5 and answer: Why is John Snow considered as the Father of Modern Epidemiology？What qualities and scientific spirits did he have? social responsibility persistence questioning mind critical thinking passionate devotion expert A: It was believed that cholera was caused by bad ____ or germs in _______________. B:Snow___________________the places where the people who _____ had lived C: Many deaths occurred near the ___________ in Broad Street. Some people __________ drunk the water from the pump, and lived. A woman and her daughter died in another part of London after ___________ _____________. D: The pump water carried ____________. conclusion evidence E: The _______ of the pump was removed. process solution handle theories air food or water marked on the died water pump hadn’t drinking water cholera germs Read again and complete the chart on Page 3 conclusion evidence process solution theories map from the pump post- reading 22 Q1. Was cholera defeated completely? How to prevent the cholera or other disease? Drink boiled water. Remember to wear a mask when going out. Heat the food left overnight. Wash your hands often. Cook raw food thoroughly. Deal with rubbish timely and properly. Group Discussion Q 2：What qualities and scientific spirits do the scientists we’ve learned have in common? strong sense of social responsibility knowledgeable courage to face difficulties committed critical thinking creativity questioning mind passionate Group Discussion imaginative determined innovative 1. Read the whole text as fluently as possible; 2. Underline the Predicative Clauses in the text and state their meaning and functions; 3. Finishing “Build up your vocabulary” on P4. Assignments Lavf57.58.101 $