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1、Unit 1 Science and Scientists Reading and thinkingJohn Snow Defeats King Cholera”教材分析：本文是一篇按照时间顺序记叙事件发展过程的叙事性文本，时间线索是明线，而科学研 究的步骤是文章叙述的暗线。活动主题是“理解质疑精神”，本文通过叙述约翰斯诺用科学方 法成功战胜霍乱病毒的事件，弓|导学生学习斯诺正直的个人品格和严谨的科学精神，理解质 疑精神在科学研究中的重要作用，教会学生批判性思考，要有科学精神，不盲从。 课标分析：6级目标要求学生能从一般文字资料中获取主要信息。这节课设计了泛读和精读的任务, 帮助学生获取文字中
2、信息。高中英语课程标准指出,高中英语课程的设计与实施要有利于 学生优化英语学习方式，使他们通过观察、体验、探究等积极主动的学习方法，充分发挥自己 的学习潜能，形成有效的学习策略,提高自主学习能力。”基于这一指导思想，这节阅读课关注 教学过程中影响教学效果的的细小环节，如导入、读前、读中和读后的任务设计。 学情分析：本堂课的对象是高二下学期理科学生，学生的水平参差不齐，大部分学生已经储备了一 定的词汇语法知识，具备一定的阅读理解能力，但是对霍乱可能认识不多，因为近几年新冠 疫情的影响，他们对病毒、卫生、健康等问题是比较敏感的，因此用新冠导入话题，以引起 学生的共鸣。Teaching Object
3、ives:By the end of the class, students will be able to:1. know about John Snow and cholera.2. master some reading skills, such as skimming and scanning .3. summarize the main idea and retell the stages fbr John Snows research.4. learn from the great scientists and develop the noble spirits .Emphasis
4、 and difficultiesTry to understand how John Snow Defeats King Cholera, learn the spirit of John Snows honesty and scientific spirit, understand that the critical thinking plays a key role in scientific research, try to teach the students not to follow behind others always in research study.Teaching
5、proceduresLead-inEnjoy some pictures and have a free talk.Teaching procedures:Step 1 Pre-readingSkim the title of the passage to predict what the article is about. 1. Who was John Snow?2. What is King Cholera?3. How did John Snow defeat King Cholera?There are seven stages of scientific research.What
6、 order would you put them in ? analyze the results ask a question draw a conclusion collect data find a problem find supporting evidence think of a methodStep 2 Fast readingWhafs the main idea of the passage?A. John Snow was a well-known doctor in London.B. The cause of Cholera was polluted water.C.
7、 The source of all drinking water should be examined.D. How John Snow did a scientific research to collect, analyse data and find the cause of the disease and solve it.Step 3 Careful readingThread: scientific research stagesTaskl. Read paragraph 1 and complete the following questions. Stage 1 Choler
8、a used to be one of diseases. people died from cholera in the early 19th century. No one knew how to or cholera.Task2. Read paragraph 2 and complete the following questions. Stage2The two theories:1. One theory was that caused the disease.2. The other was that cholera was caused by an from in or.Whi
9、ch one did John Snow subscribe to?Task3. Read paragraphs 3 and complete the following questions. Stage3 John Snow began on a the exact places where allthose people who died. Stage 4 House numbers and had multiple deaths,while some households and Broad Street, and and Cambridge had haddeathsThe Ghost
10、 Map - Part of Snow Cholera Map Stage5 The reason why some households had no deaths was that the people worked in the at 7 Cambridge Street, so they drank instead of. Therefore,Snow suspected that was to blame. Stage6 Although a woman and her daughter moved away from BroadStreet, they still of chole
11、ra, because the woman the water to her house every day. This example his prediction. Stage?John Snow was able to announce that carriedcholera germs, which means was to blame.Step 4. Read paragraphs 4 and 5 and answer the following questions.1. Whafs the truth?_2. What contributions did John Snow mak
12、e to science.Step 5 SummaryStep 6 DiscussionRead the whole passage again and talk about the question in groups.What qualities do you think a great scientist/ researcher should be equipped with?What do you think of John Snow and what can you learn from him?AssignmentTry to retell the whole passage according to the seven stages of a scientific research.课后反思：1 .提前考虑到了学生的学习水平和能力，课堂设计合理，运用多种手段调动学生的学 习积极性，通过引导和点拨帮助学生理清了整个的科学研究过程，并且让学生认识到了本节 课的主题，教学效果不错。亲和力强，比较容易和学生沟通和交流2 .应该参与学生小组讨论，及时给予指导。最后的时间不太多。录频再专业一些