人教版（2019）选择性必修 第二册Unit 1 Science and Scientists Reading and Thinking课件(共22张PPT)

(共22张PPT)
UNIT
3S是N95SD
oa咖g血妙
Understanding the questioning mind
To raise new questions,new possibilities
o regard old problems from
Leading in
1.Are you familiar with these situations
measure body temperature
测量体温
receive nucleic/nju:'klenk/acid tests
核酸检测
stay at home/put in quarantine/'kwpranti:n/
get vaccinated/'vaeksinert/
居家隔离
接种疫苗
COVID-19
CORONA
2019
VIRUS
DISEASE
程明海七夕
全
EPIDEMIC
PANDEMIC
天肉
流行病
(全国或全球性)流行病
线南南五台最区
亿分享撞情地图
⊙
2.Besides coronavirus,what other kinds of epidemics(
病)do you know'
CHOLERA
Pre-reading
1.According to the title and pictures,what do you think
will be talked about in this passage
John Snow Defeats "King Cholera"
Who
How
What
We can predict that...
The text is mainly about John Snow
and
how
he
defeated king cholera.
scientific research
2.Discuss the following stages()of scientific research
in groups and put them in the correct order.
think of a
Stages of Scientific Research
method
1.find a problem
2.
collect data
ask a question
4.
3.
find supporting
evidence
5.
0。
analyze the
results
7.draw a
conclusion
How did Snow defeat cholera