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1. Enable the Ss to get to know some knowledge about Cholera.
2. Enable the Ss to understand the passage well.
3. Let the Ss learn some reading skills by scanning and skimming.
4.To learn from the great scientists and develop the noble spirits .
1. What’s the purpose of the text?
2. What inspired John Snow according to the first paragraph?
3. What’s the use of John Snow’s map in his research?
4. How did John Snow feel about the cause of cholera after he finished the map?
5. Why was cholera called “King Cholera” in the text?
John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.
No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.
SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.
