内容正文:
Unit 1 Science and Scientists
Reading and Thinking
John Snow Defeats “King Cholera”
Lead in
Are you familiar with these situations ?
Run nucleic acid tests
Get vaccinated
Self-isolation
/ˌaɪsəˈleɪʃn/
/ˈvæksɪneɪtɪd/
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?
bird-flu(禽流感)
malaria(疟疾)
plague(鼠疫)
Ebola(埃博拉)
What will be talked about according to the title ?
John Snow Defeats“King Cholera”
Who ?
打败,战胜How ?
What ?
1. Who was John Snow?
2. What is King Cholera?
3. How did John Snow defeat King Cholera?
5
Read the whole text quickly and match the main ideas.
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
6
read for the details
the imformation cards
Para 1 Who & What ?
John Snow
(nationality, occupation and
desire)
Cholera
(identity, symptoms and consequence)
a ______________________ doctor
became _________
never ________________________ _________ once and for all
British, young and famous
_____________ Queen Victoria
attended to
frustrated
lost his desire to destroy cholera
one of __________________diseases
causes severe _____________ _________________________
millions of people __________
the disease in the early 19th century
the most feared
diarrhoea, dehydration and even death
died from
read Para.2 & 3 , finish exercise 3 on Page 3(flow chart)
Para.2
contradictory
to agree with or support an opinion, a theory, etc.
proof
subscribe to
Two contradictory theories
Theory one:
caused by ________
Theory two:
caused by _______
Symptoms
Symptoms
cough
sneeze
runny nose
lung
diarrhoea
dehydration
✔
bad air
germs
Snow subscribed to the second theory.
Para. 2
Find a p