人教版(2019)选择性必修第二册Unit1Science and Scientists Reading and Thinking课件(共28张PPT,内镶嵌视频)

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名称 人教版(2019)选择性必修第二册Unit1Science and Scientists Reading and Thinking课件(共28张PPT,内镶嵌视频)
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资源类型 教案
版本资源 人教版(2019)
科目 英语
更新时间 2023-10-25 17:56:44

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(共28张PPT)
Unit 1 Science and Scientists
Reading and Thinking
John Snow Defeats “King Cholera”
By the end of this class, students will
get information about how John Snow defeated cholera;
summarize the stages of scientific research;
talk about the significance and contribution of John’s work
Learning objectives:
1. severe (adj.)
2. frustrated (adj.)
3. infection (n.)
4. subscribe (vi.)
5. multiple (adj.)
6. household (n.)
感染;传染
极为恶劣的;十分严重的;严厉的
懊恼的;沮丧的;失意的
一家人;家庭
认购;定期订购;定期交纳
数量多的;多种多样的
7. suspect (n.&v.)
8. blame (vt.&n.)
9. handle (vt.&n.)
10. intervention (n.)
11. link (n.&vt.)
12. pure (adj.)
责备;指责
处理;把手;柄
介入;出面;干涉
联系;把……连接起来
干净的;纯的;纯粹的
犯罪嫌疑人;怀疑
13 investigate(v)
14 theory(n)
15 transform(v)
16subscribe to
17contradictory(adj)
18 substantial(adj)
调查
相互矛盾的,对立的
大量的,重大的
改变,转变
同意,赞同
理论
Lead in

Are you familiar with these situations
Mask up
Get vaccinated
Self-isolation
Positive measures are taken to fight against Covid-19.
Lead in
Besides coronavirus, what other kinds of epidemics(流行病) do you know
Cholera
loss of liquid (缺水)
severe vomiting (呕吐)
diarrhea (腹泻)
It begins in the stomach and a severe case can lead to death without immediate treatment.
Pre-reading
John Snow Defeats “King Cholera”
Who
How
What
1. Who was John Snow
2. What is King Cholera
3. How did John Snow defeat King Cholera
Activity 1 Read for the main idea and check predictions
Para1
Para 2
Para 4
Para 5
John Snow desire to destroy cholera.
He decided to prove the second theory was correct.
John began his study by marking on the map .
Finally,he found out the truth of infection of cholera.
John Snow ‘s great contributions .
Para 3
How
How
Activity 2 Read for stages
5 analyze the results
2 ask a question
4 collect data
3 think of a method
1 find a problem
6 find supporting evidence
7 draw a conclusion
Put the seven research stages in order.
Activity 2 Find the seven stages in Para.2 & 3
Para.2
Stage 1 find a problem
contradictory
to agree with or support an opinion, a theory, etc.
proof
subscribe to
Activity 2 Find the seven stages in Para.2 & 3
Para.2
Stage 2 ask a question
investigate
determined
to carefully examine the facts or find out the truth or how it happened
Activity 2 Find the seven stages in Para.2 & 3
Para.3
Stage 3 think of a method
mark
exact
Activity 2 Find the seven stages in Para.2 & 3
Para.3
Stage 4 collect data
Activity 2 Find the seven stages in Para.2 & 3
Para.3
Stage 5 analyze the results
multiple
However
no deaths
the water pump was to blame
suspect
Activity 2 Find the seven stages in Para.2 & 3
Para.3
Stage 6 find supporting evidence
What’s more
Activity 2 Find the seven stages in Para.2 & 3
Para.3
Stage 7 draw a conclusion
As a result of this evidence,...
announce
Activity 3 Read for detailed information in Para.1
What It's one of in the world, because it causes
When
Where
What results
the most feared diseases
severe diarrhoea,
dehydration
In the early 19th century
Europe
Millions of people died from the disease
Cholera
and even death.
Snow had the_______ of the pump removed.
E
Activity 3 Read for detailed information in Para.2 & 3
It was believed that cholera was caused by _______ or germs in _____________.
A
Snow __________
_______the places where people who
_____ had lived.
B
bad air
food or water
marked on
died
The pump water carried____________.
D
cholera germs
handle
a map
Steps in the research
Many deaths occurred
near the __________
in Broad Street.
Some people _______
drunk the water from
the pump, and lived.
A woman and her
daughter died in another part of London after ____________ ______________.
C
water pump
had not
from the pump
drinking water
Snow had the_______ of the pump removed.
E
Activity 3 Read for detailed information in Para.2 & 3
It was believed that cholera was caused by _______ or germs in _____________.
A
Snow __________
_______the places where people who
_____ had lived.
B
bad air
food or water
marked on
died
Many deaths occurred
near the __________
in Broad Street.
Some people _______
drunk the water from
the pump, and lived.
A woman and her
daughter died in another part of London after ____________ ______________.
C
water pump
had not
from the pump
The pump water carried____________.
D
cholera germs
handle
a map
Research method
theories
process
evidence
conclusion
solution
drinking water
Activity 3 Read for detailed information in Para.4 & 5
1. What caused the outbreak of cholera in London
A. Bad air B. Water infected by raw waste
C. Polluted air D. Water polluted by the air
2.Why was John Snow called the father of modern epidemiology(流行病学)
He helped people know how to prevent cholera.
He transformed the way scientists study diseases in use of map and statistics.
The Story of Colera
In the early 19th century, an outbreak of cholera hit Europe, _
_ (cause) millions of deaths. Seeing this, John Snow became frustrated because no one knew how _________ (prevent) or treat cholera. At that time, doctors had two theories to explain how cholera spread. One was that bad air caused the disease and another was that cholera was caused by germs in food or water. John discovered that in two particular street _____ cholera outbreak was ____ severe that over 500 people died in ten days. Through his serious ____________ (investigate), he found it was the pump water in Broad Street _______ resulted in the disease. Therefore, he had the handle of the pump ________ (remove) .
Fill in the blank
causing
to prevent
the
so
investigation
that
removed
It turned out that the water from the pump _______________ (infect) by waste. Through Snow's tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw ____ substantial decrease. Snow transformed the way ________________ scientists study diseases. For this reason, he is considered the father of modern epidemiology.
had been infected
a
that/in which
Fill in the blank
Evaluation of John Snow
As a scientist, he found out _________________________.
As a doctor, he helped us to ____________________.
what caused cholera
prevent cholera
hard-working lazy patient wise devoted selfish honest generous responsible handsome careful determined , knowledgeable, courage to face difficulties, strong sense of social responsibility, creativity,
What qualities and scientific spirits do they have in common
Group-working
Activity 4 Group discussion
What qualities and scientific spirits do they have in common
strong sense of social responsibility
knowledgeable
courage to face difficulties
committed
critical thinking
creativity
questioning mind
passionate
Thank you