内容正文:
reading and thinking
Unit 1
Science and scientists
1
Warm up
Are you familiar with these pictures?
do nucleic acid test
get vaccinated
We are taking measures to fight against the COVID-19.
2
Warm up
Do you know any other infectious diseases?
malaria疟疾
bird-flu禽流感
plague 鼠疫
cholera
霍乱
3
Watch and learn
What can happen to people who are infected with cholera?
diarrhea n.腹泻
dehydration n.脱水
severe vomiting严重呕吐
A severe case can lead to death.
4
Pre-reading
Predict: John Snow Defeats “King Cholera”.
Who?
What?
How?
How could he solve the problem?
____analyse the results ____ask a question
____draw a conclusion ____collect data
____find a problem ____find supporting evidence
____think of a method
1
2
3
4
5
6
7
5
While-reading
Fast reading: match the main ideas with each paragraph.
Para.1
Para.2
Para.3
Para.4
Para.5
A. John Snow decided to prove the second theory.
B. Snow's contributions.
C. John Snow desired to destroy cholera.
D. Snow began his study by marking on the map.
E. Truth of the infection of cholera.
6
While-reading
Careful reading: finish the exercises of each paragraph.
1. Read para.1 and complete the mind map.
2. Read para.2-3 and finish Activity 3 and 4.
3. Read para.4-5 and answer the questions.
7
Para.1-complete the mind map
cholera
What? It is one of ____________________ because it causes _________________________________________.
When? ________________________.
Where?________________________.
What consequence? _____________________________________.
John Snow
Who? A________doctor who even attended___________________ when she gave birth.
What? He had a desire to______________________once and for all.
the most feared diseases
severe diarrhoea, dehydration and even death
In the early 19th century.
In Europe.
Millions of people died from the disease
famous
to Queen Victoria
destroy cholera
8
Para.2-3- complete the mind map
1.conclusion ____ 2.evidence ____ 3.process_____ 4.solution_____ 5.theo