1、高考资源网（） 您身边的高考专家Unit1 Great scientists 编号001【学习目标】1. Know about how to organize scientific research and the contributions of John Snow. 2. Improve our ability to learn by ourselves. 【教学重点】1. To know about how John Snow defeats “King Cholera”. 2. Develop our reading skills, such as , skimming ,word-g
2、uessing and summarizing . 【教学难点】 How to enable the students to grasp the usages of words and understand some difficult and long sentences .【自主预习】Do you know? 下面的是课前完成的哦 You may go online! Who discovered that objects in water are lifted up by a force that helps them float? Who wrote a book explaining
3、 how animals and plants developed as the environment changed? Who invented the first steam engine? Who used peas to show how physical characteristics are passed form parents to their children? Who discovered radium? Who invented the way of giving electricity to everybody in large cities?Who was the
4、painter that studied dead bodies to improve his painting of people? Who invented a lamp to keep miner safe underground?Who invented the earliest instrument to tell people where earthquakes happened? Who put forward a theory about black holes?The passage is written as a report of an experiment and th
5、ere are 7 steps 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)【预习疑问】 【课堂探究】I. Discuss how to prove a new idea in scientific research?Put the stages in orde
6、r . II.Read the text carefully and do the following exercises. 1. Summarize the main idea of each paragraph and match them with the stages of scientific research . A. John Snow believed in the second theory and decided to test it in the outbreakB. John Snow was a famous doctor who wanted to defeat c
7、holeraC. The other deaths made him further believe his findingD. There were two theories about how cholera killed peopleE. John Snow found that the water was polluted and warned people to stop using itF. John Snow found the water probably to blameG. John Snow defeated cholera by making water supplie
8、s safe Main idea stages of scientific research Paragrph 1_ Paragrph 2_ Paragrph 3_ Paragrph 4_ Paragrph 5_ Paragrph 6_ III . Reading comprehension. 1. Whats the main idea of the text?A.John Snow was a famous doctor and he had two theories about how cholera was spread. B.John Snow, a famous doctor,fo
9、und the cause of cholera and how to control it. C.John Snow, a famous doctor warned people not to drink the polluted water. D.John Snow and his two famous theories about cholera were great.2.John Snow discovered that some families had no deaths because_ A.People in these families were strong and hea
10、lthyB.People in these families were all famous doctors and knew how to protect waterC.People in these families didnt drink free beer.D.People in these families were given free beer and hadnt drunk polluted water3.John Snow was sure enough that polluted water carried the disease of cholera because_ A
11、.many of the deaths were near the water pump in Broad Street B.the cholera outbreak was so severe that more than 500 people died in 10days C.he found two other deaths in another part of London that were linked to the Broad Street outbreak D.he was so famous and believed in the theories4.What made Jo
12、hn Snow find the cause of cholera? A.Kindness,carefulness and good observation B.Strong determination, patience and selfishness C.The great number of deaths caused by the disease D.The order given by Queen Victoria 下面的是课后完成的哦 Read the passage again and fill in the blanks:John Snow was a well-known _
13、 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 dirty 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. 版权所有高考资源网诚招驻站老师，联系QQ2355394696
