Book 5 Unit 1 Great Scientists 自主预习学案教师寄语:An idle youth, a needy age. 少壮不努力,老大徒伤悲。Ⅰ. Preview the new words, pay special attention to their pronunciation, word-spelling and their Chinese meanings.Ⅱ. Read the passage John Snow Defeats “King ” and answer the following questions.1. What does the passage mainly talk about?A. John snow was a famous doctor in London.B. The reason that caused the deadly disease cholera.C. John Snow solved the problem of cholera.D. Cholera was and is a serous deadly disease.2. What was the original source of disease of “King Cholera”?A. A cloud of dangerous gas.B. The spreading of virus among people. C. Water in a certain pump in London. D. A river polluted by the dirty water.3. Why did No.21 Borad Street in London have no deaths?A. The people just drank the water from the pump.B. They drank beer as well as water from the pump.C. They didn’t absorb the dangerous air.D. They suffered no germs at all.4. Which of the two theories that John Snow was interested in was true finally?A. Both. B. The first one C. The second one. D. Neither. 5. What do you think the Londoners would do with the unused pumps after defeating “King Cholera”?A. They would destroy them.B. They would reuse them after cleaning.C. They would desert them for good.D. They would go on to use them without cleaning.Book 5 Unit 1 Great Scientists 讲授学案制作人:刘远花 李晓田 审核人:刘庆民 制作时间:2009-8-31教师寄语: You must believe in yourself. That is the first step to success.词汇学习:用心 爱心 专心1Ⅰ. 重点单词1. defeate.g. (1)John beat Tom at table tennis yesterday. (2)The English team was defeated by three goals to one. (3)The government has suffered a serious defeat. (4...