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高中英语人教版必修5unit1课件


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Unit 1

Great Scientists
Great scientists 制作教师:刘静会
1

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Period 1
Warming up and Pre-reading
2

Unit 1 Great Scientists

Do you know the great scientists?
1.Who invented the first modern steam engine? James Watt (瓦特)

2.Who discovered radium? Madame Curie

3. Who is the inventor of electric light bulb(电灯)?
4.Who invented the earliest instrument to tell people where earthquakes happened?

Thomas Edison

Zhang Heng

5.Who is the father of super hybrid rice?
6. Do you know who defeated “King Cholera”?

Yuan Longping

John Snow

Stephen Hawking

who put forward a theory about black holes?

John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”.
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”

John Snow Defeats “King Cholera”
1.Find a problem:(发现问题)

The passage is written as a report of an experiment and there are 7 steps:
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)

John Snow Defeats “King Cholera”
Read the passage and fill in this form: 15 minutes)
Steps: What/How? 1.Find a problem 2.Make up a question

(in

3.Think of a method
4.collect results 5.Analyse results 6.Repeat if necessary 7.Make a conclusion

John Snow Defeats “King Cholera”
Steps: What/How?

1.Find a problem
2.Make up a question 3.Think of a method 4.collect results

What causes cholera? Which theory is correct? Collect information on those who were ill or died and where they got their water Mark information on a map to find out where people died or did not died

5.Analyse results

6.Repeat if necessary

7.Make a conclusion

Analyse the water to see if that is the cause of the illness Find other evidence to make sure the conclusion The water is to blame. The source of all drinking water should be examined.

John Snow Defeats “King Cholera”

Read the passage again and finish 1(Page 3). (in 8 minutes)

Ex.

cientific ReSport

by John Snow

The problem

Nobody knew the cause of the serious disease of cholera

The cause

The method

a strange cloud of gas found its victims Idea 2: people absorbed the disease with meals Collect information from the cholera outbreak to prove which theory was correct
Idea 1:

The results

Idea 1 or 2? Why?

The conclusion

He found the cause of cholera was the polluted water Idea 2. Because the information showed that the dirty water carried cholera He defeated cholera by examining the water supply and dealing with the polluted water

Read the passage again and fill in the blanks: (in 5 minutes) doctor John Snow was a well-known ____ in London in the cause ___ century. He wanted to find the ______ of 19th defeat cholera in order to ______ it. In 1854 when a broke cholera ____ out, he began to gather information. marked He _____ on a map where all the dead people had lived and he found that many people who had drunk pump the dirty water from the ______ died. So he decided that the polluted water carried cholera. He source suggested that the _____ of all water supply be examined new methods of ________ with dealing _______ and polluted water be found. Finally, “King Cholera” was defeated.

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1. Learn more about great scientists. 2. Review the vocabulary.
3. Read the text carefully.

17

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18



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