Unit1 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战胜霍乱”展开，核心涵盖科学研究步骤及相关语法点。课堂导入通过COVID-19等疾病案例提问传播方式，衔接霍乱故事，以“帮助John Snow完成任务”的游戏化形式搭建学习支架，引导学生从疾病认知过渡到科学探究。 其亮点在于融合游戏化教学与科学思维培养，通过排序研究步骤、分析死亡地图等任务，提升学生思维品质与学习能力。结合语法点（如It seemed that...、have sth. done）强化语言能力，学生在探究中深化理解，教师可借助结构化资源提升教学效率。

Unit 1 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera” 1 Lead in What kind of disease do you remind of? COVID-19 pandemic It is a highly infectious disease and it can spread from person to person. How does it spread? flu cholera 2 The story of cholera How does cholera spread? Where did “I” go for help? VS John Snow King Cholera London London? Good place! Wait for me. (frustrated) So many deaths… I must destroy cholera, once and for all! John Snow King Cholera Cholera broke out in London in the early 19th century. Game loading… As a Chinese saying goes, “Know the enemy and know yourself”, please help me to know more about king cholera. John Snow the most feared diseases death Millions A famous doctor Britain He attended to Queen Victoria when she gave birth What does “ King ” imply in the title? The name of cholera The causes of cholera Cholera spread fast Cholera is powerful and hard to cure the most feared diseases death Millions A famous doctor Britain He attended to Queen Victoria when she gave birth But how can I start? Maybe I should make clear the stages of research first… John Snow Finish the order of research Please help me put them in the correct order. 1 4 5 7 Entering task2… Which theory should I choose? Task2: Stage 1 find a problem Stage 2 ask a question caused by ________ caused by _______ bad air germs ✔ What was the problem? It is about how Cholera spread. Why was cholera so severe in the two particular streets? a map Stage 3 think of a method The map is designed to the places where the people who had lived. It is helpful to to mark died What does “—” mean? What kind of map is it? What does “PH” mean? What does 30, 31,...refer to? collect data It means one death. It’s a death map. It means public house, a house such as bar or pub. They refer to numbers of houses. Why? Stage 4 collect data Stage 5 analyze the results There were deaths occurred near the in Broad Street, however some households had deaths.These people worked in the in the Cambridge Street, where they were given , so some people who the water from the pump, survived. multiple no pub free beer had not drunk was to blame Suspect that the water from the pump . pump Stage 6 find supporting evidence ( Para.3 ) a woman and her daughter died of cholera, In another part of London, after moving away from It seemed that the woman liked the water from the pump so much that she had it Broad Street. delivered to her house every day. Stage 7 Draw a conclusion What was the result of John Snow’s research? the handle of the pump was removed. Was the disease stopped in its tracks? How to prevent epidemics in its tracks? polluted water flies unwashed hands Drink clean water Open windows to let air flow Do more hand-washing Snow had the_______ of the pump removed. E Activity 3 Read for detailed information in Para.2 & 3 It was believed that cholera was caused by _______ or germs in _____________. A Snow __________ _______the places where people who _____ had lived. B bad air food or water marked on died The pump water carried____________. D cholera germs handle a map Steps in the research 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 ____________ ______________. C water pump had not from the pump drinking water Snow had the_______ of the pump removed. E Activity 4 Match the following headers with the letters from the chart below. It was believed that cholera was caused by _______ or germs in _____________. A Snow __________ _______the places where people who _____ had lived. B bad air food or water marked on died 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 ____________ ______________. C water pump had not from the pump The pump water carried____________. D cholera germs handle a map from problem to solution theories process evidence conclusion solution drinking water S1： It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day. have sth. done 结构 so….that 引导结果状语从句 It seemed that … “看来……”, that引导表语从句 It＋不及物动词(短语)＋that从句. 常用于该句型结构有： It seemed that...(看上去) It happened that …(碰巧) It turned out that …(证明是) It appeared that...(显得) 这位女士似乎非常喜欢从泵里抽上来的水，以至于她每天都让人把水送到她家里。 单句语法填空 (1) _____seems that most houses have been destroyed by the storm. (2) It appears _______he has a talent for playing the piano. 完成句子 (3)________________(事实证明) we were wrong. (4)____________________（他突然想到） he had an important meeting to attend the next morning. (5)__________________（碰巧）the harvest was bad that year. It that It occurred to him that It happened that It turned out that “have＋宾语＋宾语补足语”的用法有以下几种： have sb. /sth. doing 让某人做某事(动作具有持续、进行含义) have sb. do 让某人做某事（省略to） have sth. done 让/请别人做某事；遭受到 1. They had the car ___________(run)all the way. 2. She had planned to have her daughter_______ (marry) Laurie. 3. We had the house ________(clean) before we moved in. marry running cleaned have sth. done 的语法意义: 让某事被做（不具体指出是谁做的）。 如：We had the machine repaired. 2. 主语遭受某种不幸 如：Yesterday I had my wallet stolen. 无生命的名词 +see/find/witness... …见证、目睹某事 → 无灵主语 S2...the threat of cholera around the world saw a substantial decrease. ……世界各地霍乱的威胁大幅降低。 S3: Moreover, in his use of maps and statistics, Snow transformed the way scientists study diseases. 此外，通过使用地图和统计数据，斯诺改变了科学家研究疾病的方式。 主从复合句“scientists study diseases”是省略了关系代词的定语从句，修饰“the way”。 在含有定语从句的复合句中，the way作先行词时有以下三种情况： (1)关系词在定语从句中作状语，关系词用in which，that或省略。 (2)关系词在从句中作主语，关系词用that或which。 (3)关系词在从句中作宾语，关系词用that, which或省略。 S4 Snow began by marking on the map the exact places where all those who died had lived. 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