必修五Unit 1 The 1st Period warming up, pre-reading, reading

课 题 Unit 1 The 1st Period warming up, pre-reading, reading 三维目标

知识与技能 Make students master the reading skills Improve the students’ ability in reading. 情感、态度与价值观 Stimulate students’ interest in reading.

【预习检查】用多媒体展示所检查的问题，教师指定小组中的B、C组学生回答，要求A组学生补充。给分鼓励。 用所给的词的适当形式填空 1. It was concluded that he didn’t tell us the truth. I came to the conclusion that he is lying. (conclude) 2. This work has absorbed him for several years. He seemed totally absorbed in his work. (absorb) 3. The writer personally contributed￡5000 to the earthquake fund. All the contributions will be gratefully received. (contribute) 4.The scientist took a very scientific approach to science. (scientific) 5. Don’t move. She stays perfectly still. She observes the gentle movement of the snake. (move) 【自主学习】【设计意图】通过竞猜游戏开展小组间的比赛，激发学生了解不同领域的科学家的兴趣和热情；通过读标题、看插图预测课文内容，可以培养学生的想像力。 1.完成句子 (1)1860年，一个名叫威廉的英国人提出了一项更好的计划。 In 1860，a better plan was put forward by an Englishman，William. (2)除了遗传基因外，智力的高低还取决于日常饮食、教育和家庭环境。 In addition to genes，intelligence also depends on diet，education and home environment. (3)这条小路通到那个村庄。 The path leads to that village.

(4)除了几个单词外，我对法语一无所知。 Apart from a few words，I do not know any French at all. (5)汤姆一向对孩子很严格。 Torn is always strict with his children. 2.Warming up (1)Who discovered that objects in water are lifted up by a force that helps them float? Archimedes (2)Who wrote a book explaining how animals and plants developed as the environment changed? Charles Darwin (3)Who invented the first steam engine? Thomas Newcomen 3. Pre-reading (1) Discuss in small groups the stages in setting out a new scientific idea. (2) Do you know John Snow? John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera (3)Do you know what kind of disease is cholera? It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat. Let’s get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage: John Snow Defeats “King Cholera” 【合作学习】寻读让学生快速找到特定的信息，小组组员间交流答案，最后每组选出一个代表陈述答案。可以培养学生的快速阅读能力和互帮互助的团队合作精神。 Reading Task 1:Skim and Scan 1. Who defeats “King Cholera“? John Snow 2. What happened in 1854? Cholera outbreak hit London. 3. How many people died in 10 days? 500 4. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? These families had not drunk the water from the Broad Street pump. Task 2: Read and answer 1 Why couldn’t the cholera be under control at first? 2 Which theory did John Snow believe in? 3 John Snow finally proved the theory he believed by ________. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. Separating those who suffered cholera from those who didn’t D. Both A and B 4 To prevent the cholera from spreading again, what did John Snow do? 5. Why couldn’t the cholera be under control at first? Neither its cause, not its cure was understood Task 3 The main idea of each paragraph Paragraph 1: Introduction of John Snow and Cholera （Find a Problem: What cause the cholera?） Paragraph 2: Two theories （Make a question: Which is right?） Paragraph 3-5: Study of the breakout in 1854 （Paragraph 3: Study of the breakout in 1854 ）(Paragraph 4: Study of the breakout in 1854 Analyze the result: Find the resource of the water ) (Paragraph 5: Study of the breakout in 1854 Repeat if necessary: Find more evidence; Draw a conclusion: Cholera was spread by germ Polluted water carried cholera) Paragraph 6: Prevention of Cholera John Snow defeat King Cholera Task4 The passage is written as a report of an experiment and there are 7 steps. What are they? 1.Find a problem:(发现问题) 2.Make up a question:(形成研究主题) 3.Think of a method:(找出研究方法) 4.Collect results:(收集材料) 5.Analyse results:(分析材料) 6.Repeat if necessary:(必要时重新分析) 7.Draw a conclusion:(得出结论) 【反馈训练】展开小组竞赛，并给加分，拉开差距，激励学生。 Finish Ex. 1(Page 3). Scientific Report by John Snow The problem Nobody knew the cause of the serious disease of choler The cause Idea 1: a strange cloud of gas found its victims Idea 2: people absorbed the disease with meals The method Collect information from the cholera outbreak to prove which theory was correct. The results He found the cause of cholera was the polluted water Idea 1 or 2? Why? Idea 2. Because the information showed that the dirty water carried cholera The conclusion He defeated cholera by examining the water supply and dealing with the polluted water 【探究延伸】本设计旨在提高学生的概括能力，巩固已学知识。用填空的形式可降低难度，提高学生的自信心。 Read the passage again and fill in the blanks: John Snow was a well-known _doctor in London in the _19th__ century. He wanted to find the cause of cholera in order to defeat it. In 1854 when a cholera broke out, he began to gather information. He marked on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the pump died. So he decided that the polluted water carried cholera. He suggested that the source of all water supply be examined and new methods of dealing with polluted water be found. Finally, “King Cholera” was defeated. 【引导预习】多媒体给出，约5分钟完成，未完成课后继续完成。 Read the text and underline important words and expressions.