内容正文:
Unit 1 Science and Scientists
Reading and Thinking
John Snow Defeats “King Cholera”
Post-reading
“To raise new questions, new possibilities,
to regard old problems from a new angle,
requires creative imagination and marks real advance in science.”
--- Albert Einstein”
“提出新的问题,发现新的问题,
从新的角度审视已存在的问题,
这些需要创造性的想象力,
并标志着科学的真正进步。”
- 阿尔伯特·爱因斯坦”
Lead in
Are you familiar with these situations ?
Mask up
Get vaccinated
Self-isolation
Positive measures are taken to fight against Covid-19.
coronavirus[kəˈrəʊnəvaɪrəs]
④
Besides coronavirus, what other kinds of epidemics (流行病)do you konw?
bird-flu(禽流感)
malaria [məˈleriə](疟疾)
plague[pleɪɡ]
(鼠疫)
Ebola [ɪˈbəʊlə] (埃博拉)
①
②
③
Who Helped Defeat Malaria?
MALARIA
Who Defeated Cholera?
John Snow
Prediction
John Snow Defeats “King Cholera”
Who ?
How ?
What ?
According to the title, the story is going to tell us information about...
The text is mainly about ____________ and _______ he defeated king cholera.
how
John Snow
scientific research
?
Put the seven research stages in order.
analyze the results
ask a question
collect data
think of a method
find a problem
find supporting evidence
draw a conclusion
Para 2&3 :
Stages of Scientific Research
Activity 1: Read the whole text quickly and match the main idea
Para. 1
Para. 2
Para. 4
Para. 5
John Snow desired to destroy cholera.
John Snow decided to prove the second theory.
Snow began his study by marking on the map.
Truth of the infection of cholera.
Snow's contributions.
Para. 3
Fast reading
8
Careful Reading
Para.1
Research background
2. Why was the disease called “”King Cholera?
Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be overcome. This illness causes severe diarrhoea, dehydration, and even death. In the early 19th century, when an outbreak of cholera hit Europe, millions of people died from