人教版高中英语必修5课件：Unit1 Reading (共29张PPT)

6. How serious was the disease outbreak in London in 1854?
The cholera outbreak was so severe that more than 500 people died in 10 days.
7. Did the map which Dr. Snow draw help find the cause of the disease?
2. From what disease did Londoners suffer in his age? They exposed themselves to cholera.
3. Did people know how to cure the disease? No. 4. When did Dr. Snow think the disease would be controlled?
He was so famous that he became the doctor for Queen Victoria at the births of her many children. Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, “the most terrible outbreak of cholera which ever occurred in the kingdom” began. It was so violent and sudden that 127 people died in the first three days.
13. What conclusion did Dr. Snow tell the public? He announced that polluted water
carried the disease.
14. What did Dr. Snow tell the water companies?
Steps
What/How?
4. Collect Plot information on a map results to find out where people
died or did not die.
5. Analyze results
Find out where they got the water. Analyse the water to see if it is the cause of the deaths.
Draw a conclusion Think of a method Collect results Make a question Find a problem Analyse the results Find supporting evidence
1 Find a problem 2 Make a question 3 Think of a method 4 Collect results 5 Analyse the results 6 Find supporting evidence 7 Draw a conclusion
Yes. The map gave a valuable clue about the cause of the disease.
8. Where were many of the deaths in Broad Street? Many of the deaths were near the water pump in Broad Street.
Task 1 Fill in this form.
Steps
What/How?
1. Find a problem
2. Make a question
3. Think of a method
4. Collect results
5. Analyze results
6. Find supporting evidence
2 Read the passage again and answer these questions.
1 John Snow believed Idea 2 was right. How did he finally prove it?
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.
9. Why did some houses have no deaths?
These families worked in the pub at 7 Cambridge Street. They were given free beer and so had not drunk the water from the Broad street pump.
He told the people to remove the handle from the water pump so it could not be used.
12. What else did Dr. Snow find in another part of London?
In addition, he found 2 other deaths.
5. He found that most of the deaths were near a water pump. 6. He had the handle removed from the water pump. 7. He announced that the water carried the disease. 8. King Cholera was defeated.
Task 2 Answer these questions
1. What do you know abng well-known in London?
He attended Queen Victoria as her personal physician.
2. Do you think John Snow would have solved this problem without the map? Give a reason. 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.
Steps
6. Find supporting evidence
7. Draw a conclusion
What/How?
Find other evidence to support the analysis.
It was certain that polluted water carried the disease. The source of all drinking water should be examined to make sure it is safe.
10. What did Dr. Snow think was responsible for the disease?
It seemed the water was to blame.
11. What did Dr. Snow advised the people in Broad Street do?
高二人教新课标版必修五
Unit 1
Great scientists
Reading
Pre-reading
1 Do you know how to prove a new idea in scientific research? Discuss in small groups the stages in setting out a new scientific idea. What order would you put them in?
He knew the disease would never be controlled until its cause was found.
5. What was the second theory explaining how the disease killed people?
People absorbed this disease into their bodies with their meals. From the stomach the disease quickly attacked the body and soon the affected person died.
It begins in the stomach and a severe case can lead to death without immediate treatment. And the victims died very quickly from a loss of liquid after severe vomiting (呕吐) and diarrhoea (腹泻).