Unit 1 Great Scientists reading
文档属性
| 名称 | Unit 1 Great Scientists reading |  | |
| 格式 | zip | ||
| 文件大小 | 1.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2012-08-22 19:27:25 | ||
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(共32张PPT)
Unit 1 Great Scientists
What impressed you most in 2003
SARS, an deadly infectious disease hit China.
Which person impressed you most during the SARS
Zhong Nanshan (钟南山)
John Snow
British ( 1813~ 1858)
a figure(人物) in the history of public health, epidemiology(流行病学) and anesthesiology(麻醉学)
John Snow defeated “King cholera”
What is Cholera
Cholera is the illness caused by a bacterium(细菌) called Vibria cholerae(霍乱弧菌) . It infects people’s intestines (肠), causing diarrhea(腹泻), vomiting(呕吐) and leg cramps(抽筋) .
Do you know how to prove a new idea in scientific research
eight stages
What order would you put them in
Make a conclusion Think of a method Collect results Make up a question Find a problem Analyse the results Repeat if necessary Find supporting evidence
①
③
②
④
⑤
⑥
⑦
⑧
John Snow defeats “King cholera”
What’s the main idea of the passage
John Snow was a well-known doctor in London.
The cause of Cholera was polluted water.
The source of all drinking water should be examined.
How did John Snow collect, analyze the information, find the cause of the disease and solve it .
What happened in 1854
How many people died in 10 days
Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street
Skim and Scan
1. What happened in 1854
2. How many people died in 10 days
Cholera outbreak hit London.
500
3. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street
These families had not drunk the water from the Broad Street pump.
Put the correct stages into the reading about research into a disease.
eight stages
Find a problem
Make up a question
Think of a method Collect results
Analyse the results Find supporting evidence
Draw a conclusion Repeat if necessary
①
③
②
④
⑤
⑥
⑦
⑧
Para. 1:
Para. 2:
Find a Problem:
What caused the cholera
Make up a question:
Which theory is right
Main ideas
Para. 3:
Think of a method:
Test two theories
Para. 4:
Collect the result:
Mark the death on a map
Para. 5:
Analyse the result:
Find the source of the water
Para. 6:
Find supporting evidence:
Two other deaths
Make a conclusion:
Polluted water carried the disease
Paragraph 7:
Prevention of Cholera
John Snow defeated King Cholera
Detailed reading
What was this map used for in 1854
Finding out the cause of Cholera.
Why couldn’t the cholera be under control at first
Neither its cause, nor its cure was understood.
What’s the two theories
Strange cloud in the air that attacked people.
People absorbed the disease with their meals.
When the cause was found, what did the people do？
Remove the handle from the water pump so it could not be used.
What are John Snow’s suggestions
① The source of all water supplies should be examined.
② New methods of dealing with polluted water should be found.
③ The water companies were also instructed not to expose people to polluted water anymore.
Unit 1 Great Scientists
What impressed you most in 2003
SARS, an deadly infectious disease hit China.
Which person impressed you most during the SARS
Zhong Nanshan (钟南山)
John Snow
British ( 1813~ 1858)
a figure(人物) in the history of public health, epidemiology(流行病学) and anesthesiology(麻醉学)
John Snow defeated “King cholera”
What is Cholera
Cholera is the illness caused by a bacterium(细菌) called Vibria cholerae(霍乱弧菌) . It infects people’s intestines (肠), causing diarrhea(腹泻), vomiting(呕吐) and leg cramps(抽筋) .
Do you know how to prove a new idea in scientific research
eight stages
What order would you put them in
Make a conclusion Think of a method Collect results Make up a question Find a problem Analyse the results Repeat if necessary Find supporting evidence
①
③
②
④
⑤
⑥
⑦
⑧
John Snow defeats “King cholera”
What’s the main idea of the passage
John Snow was a well-known doctor in London.
The cause of Cholera was polluted water.
The source of all drinking water should be examined.
How did John Snow collect, analyze the information, find the cause of the disease and solve it .
What happened in 1854
How many people died in 10 days
Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street
Skim and Scan
1. What happened in 1854
2. How many people died in 10 days
Cholera outbreak hit London.
500
3. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street
These families had not drunk the water from the Broad Street pump.
Put the correct stages into the reading about research into a disease.
eight stages
Find a problem
Make up a question
Think of a method Collect results
Analyse the results Find supporting evidence
Draw a conclusion Repeat if necessary
①
③
②
④
⑤
⑥
⑦
⑧
Para. 1:
Para. 2:
Find a Problem:
What caused the cholera
Make up a question:
Which theory is right
Main ideas
Para. 3:
Think of a method:
Test two theories
Para. 4:
Collect the result:
Mark the death on a map
Para. 5:
Analyse the result:
Find the source of the water
Para. 6:
Find supporting evidence:
Two other deaths
Make a conclusion:
Polluted water carried the disease
Paragraph 7:
Prevention of Cholera
John Snow defeated King Cholera
Detailed reading
What was this map used for in 1854
Finding out the cause of Cholera.
Why couldn’t the cholera be under control at first
Neither its cause, nor its cure was understood.
What’s the two theories
Strange cloud in the air that attacked people.
People absorbed the disease with their meals.
When the cause was found, what did the people do？
Remove the handle from the water pump so it could not be used.
What are John Snow’s suggestions
① The source of all water supplies should be examined.
② New methods of dealing with polluted water should be found.
③ The water companies were also instructed not to expose people to polluted water anymore.