资源简介

(共21张PPT)
Unit 1
SCIENCE AND SCIENTISTS
Period 1 Reading and Thinking
John Snow Defeats "King Cholera"
高中英语/人教版2019/选择性必修第二册
Reading and thinking
课文知识点
1 one of the most feared diseases
2 become frustrated
3 attend to sb
4 lose desire to do sth
5 once and for all
6 in general
7 two contradictory theories
Important phrases
8 an infection from germs in food or water
9 subscribe to the second theory
10 in two particular streets
11 be determined to find out why
12 begin by marking the exact places
13 multiple deaths near the water pump
Important phrases (P2)
14 suspect that the water pump is to blame
15 what's more /moreover
16 have it delivered to her house
17 as a result of the evidence
18 have the handle removed
19 raW waste
Important phrases (P2-P3)
analyse the results
ask a question
draw a conclusion
collect data
find a problem
find supporting evidence think of a method
Pre-reading
Try to put the following stages of scientific
research in order.
Para1:
Para2&3:
Para4:
Para5:
Results and significance
What Who
Fast-reading
How
Truth
Careful-reading Para.1 Research background
What: It is one of the most feared diseases in the world, because it causes severe diarrhoea,dehydration and even
death
Cholera when:In the early19th century
where: Europe
what consequence:millions of people died from the disease
who: He rose to become a famous doctor ,and even attended to Queen Victoria when she gave birth.
John
Snow What: he had a desire to destroy cholera once and for all.
Careful-reading Para.2 Find a problem &ask a question
In those days,What did doctors have to explain how cholera spread
Two contradictory theories
caused by bad air
Snow subscribed to the second theory.
Theory two: caused by germs
Theory one:
Careful-reading Para.3
3rd stage:Think of a method
4th stage:Collect data
5th stage:Analyse the results(data)
Para.3:
Snow began by marking on a map the exact places where all those who died had lived.There were multiple deaths near the water pump in Broad Streei (especially
house numbers (16,37,38,and 40).However,some
households (such as 20 and 21 Broad Street,and 8 and 9 Cambridge Street)had had no deaths .
28 27 26 25 24 23 21 20
No death happened here. AD STREET
29 307 31 32] 33 34
1 36 38 39
Clue:free beer from public house
The water from the pump was to blame.
Result:
The water came from the river which had been polluted by the dirty water from London.
22
PH
14
multiple deaths happened here.
Public house
O
u
A
w
~|
一I
3
MBRIDGE STREET
A
6
N
4
Match the following headers with the letters from the chart above.Write A-E in the blanks.
1.conclusion D 2.evidence C 3.process B 4.solution E 5.theories A
Read the passage again and tell whether the following statements are true(T)or false(F).
1.Many people died of cholera before its cause was found.(T)
2.It was a fact that cholera spread in a cloud of gas.(F)
3.When cholera broke out in 1854,it spread quickly through poor neighbourhoods.(T) 4.The people who drank beer instead of water did not catch cholera.(T)
5.The water companies were asked to stop supplying polluted water to people.(T)
What questions would you ask to get the following answers
1.Q:What caused cholera according to Snow
A:Snow thought that cholera was caused by germs in food or water.
2.Q:Why did Snow have the handle of the pump removed
A:Snow had the handle of the pump removed so that it could not be used.
3.Q:How was the cholera threat defeated
A:The cholera threat was defeated thanks to the work of John Snow.
Group Discussion What makes John Snow a great scientist
1.In groups,discuss what scientific spirits we can learn from Snow.
He never lost his desire to destroy the
determined
cholera.
ambitious
responsible
critical thinking
passionate
committed/devoted/dedicated
curious
determined...
creative
questioning mind
brave/courageous knowledgeable
Group Discussion
2. What are the common qualities do great scientist have in common
汁 Keep away from flies rious choose fresh sea food lu,
"a AID
Keep the kitchen clean
SD rink boiled water
Wash hands often ler not to
Don't forget to wear a mask when you go out.
Heat the food left overnight
Further Thinking
deal with rubbish properly.
Cook raw food thoroughly
Draw a mind map about how John Snow defeated the “King Cholera”.
Assignment
Reading and thinking
课文知识点
1 one of the most feared diseases
最可怕的疾病之一
2 become frustrated
变得沮丧
3 attend to sb
照顾某人
4 lose desire to do sth
失去做某事的欲望
5 once and for all
一劳永逸，彻底地
6 in general
一般说来
7 two contradictory theories
两种截然不同的看法
Important phrases
8 an infection from germs in food or water
食物或水中细菌的感染
9 subscribe to the second theory
赞同第二种看法
10 in two particular streets
在两条特别的街道上
11 be determined to find out why
下决心找出原因
12 begin by marking the exact places
从标记确切的位置开始
13 multiple deaths near the water pump
水泵附近多人死亡
Important phrases (P2)
14 suspect that the water pump is to blame
怀疑是水泵造成的
15 what's more /moreover
而且
16 have it delivered to her house
让人把它送到她家
17 as a result of the evidence
由于这个证据
18 have the handle removed
拆掉把手
19 raW waste
未经处理的废弃物
Important phrases (P2-P3)

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