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1、Unit 1 Great scientistsPart II Reading一学习目标1. 了解科学家如医生John Snow，并理解其得出科学观点所需的过程。2. 学习科学家为探索、钻研科学真理所表现出的大无畏精神。3. 学习掌握重要的词组及过去分词作定语和表语。二【自主预习】Step1. Lead-in (5 minutes)(1) Match the inventions with their inventors to find out what you know about great scientists.Alexander Bell electricity Thomas Ediso
2、n the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of Relativity(2) Put the stages in setting out a new scientific idea in the right order. ( ) Draw a conclusio
3、n ( ) Think of a method ( ) Collect results ( ) Make a question ( ) Find a problem ( ) Analyse the results ( ) Find supporting evidenceStep2. Fast reading (7 minutes)(1) Read the passage in 3 minutes and complete the outline of the passagePara. 1 Introduction of John Snow and Cholera. Para.2 Para.3-
4、6: Study of _. Para. 7 : _ of Cholera and John Snow defeated King Cholera.(2) Number these events in the order that they happened. _ John Snow began to test two theories. An outbreak of cholera hit London in 1854. _ John Snow marked the deaths on a map. He announced that the water carried the diseas
5、e. John Snow invested two streets where the outbreak was very severe. King Cholera was defeated. He found that most of the deaths were near a water pump. He had the handle removed from the water pump.Step3. Careful reading (10 minutes)(1) Finish the following questions.1. John Snow finally proved th
6、e 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 didnt D. Both A and B2. Do you know what this map was used for in 1854?3. Why is there no d
7、eath at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?(2) Suppose you are John Snow, finish the following report. Scientific Report by John SnowThe problem Nobody knew the _ of the serious disease of _. The cause Idea 1: Idea 2: The method _data from the next cholera attack t
8、o test theories. Try to_ which method was correct. The results He found the cause of cholera was _ water. Idea 1 or 2? Why?Idea _. because the data showed a _with the water. The conclusion John Snow was able to defeat cholera once its cause was known. Step4. Post reading (8 minutes)Read the passage
9、again and retell the story. John Snow was a well-known _ in London in the _ _century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the d
10、irty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.Step5. Read and find out phrases (10 minutes)1. 一种理论 _ 2. 得出结论_ 3. 作为私人医生照料某人 4.
11、 患霍乱的普通人_5. 当时致命的疾病 _6. 面对这个挑战_ 7. 在空气中繁殖_ 8. 把疾病引入体内_9. 开始某人的调研_10. 收集信息_ 11. 决心查明其原因_ 12. 在地图上标明._ 13. 关于.的有价值的线索_ 14. 深入调查_ 15. 某人/某物该为某事承担责任_ 16. 调查水源_ 17. 拆掉水泵上的把手_ 18. 减速,缓解_ 19. 一团气体_ 20. 有力的证据_21. 与.有关联_ 22. 派人打水送到家_23. 死于霍乱_24. 肯定地宣布_ 25. 携带病毒 _26. 命令/指导某人做某事 _ 三、【合作探究】 Key sentences 1. so.
12、 that / so that教材原句(1) John was a famous doctor in London- so expert, indeed, that he attended Queen Victoria as her personal physicians.(2) In two particular streets, the cholera outbreak was so severe that more than 500 people died in ten days. (3) He immediately told the astonished people in Broad Street to remove the handle from the pump so that it could not be used. (4) A woman, who had moved away from Broad
