人教版（2019）选择性必修 第二册Unit 1 Science and Scientists Reading and thinking课件（共35张，内嵌视频）

(共35张PPT)
Unit 1 Science and Scientists
Period 1 Reading and Thinking
④
Besides coronavirus, what other kinds of epidemics(流行病) do you konw
bird-flu（禽流感）
malaria [m leri ](疟疾）
plague[ple ɡ](鼠疫)
Ebola [ b l ](埃博拉)
①
②
③
Who Helped Defeat Malaria
Lead in
See a video about cholera.
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
Pre-reading
Fast reading
1. Read the whole text quickly and match the main ideas
Para1
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
Careful reading
Cholera
Snow
It's one of ________________________ in the world, because it causes _______________________________.
_______________________, when an outbreak of cholera hit ______, millions of people ______________________.
He rose to become _________________ , and even _______________ Queen Victoria when she gave birth.
Snow became ________ because no one knew __________________________.
However, he had a desire to __________________ once and for all.
the most feared diseases
severe diarrhoea and dehydration
Para 1
In the early 19th century
Europe
died from the disease
“King Cholera”
frustrated
how to prevent or treat cholera
a famous doctor
attended to
destroy cholera
Though being famous, he was still devoted to defeating “King Cholera”
2. Two Theories
While Reading
Theory one: air
Theory two: germs
More proof is needed
Symptoms
Theory is based on practice.
Symptoms（症状）
cough
sneeze
runny nose
lung
Diarrhoea
dehydration
A map of Broad Street-”Cholera Map”
3.What method did Snow use
While Reading
1) Which houses had more than 4 deaths in Broad Street
2) Which houses had no death in Broad Street
Multiple deaths happened here.
No death happened here.
He suspected that the water from the pump was to blame.
Evidence
3. Read Para 2 and 3 carefully, complete the chart
While Reading
It was believed that cholera was caused by _______ or germs in __________.
The pump water carried ___________.
Many deaths occurred near the ______________ in Broad Street.
Some people who lived near the pump worked in the pub and _________ drunk the water from the pump ,and lived.
A woman and her daughter died after ____________________________, because she had the water____________________ every day.
Snow began by ___________________ the places where people _________.
Snow had the handle of the pump _________.
A
B
C
D
E
bad air
food or water
marking on the map
died had lived
water pump
had not
moving away from Broad Street
delivered to her house
cholera germs
removed
Supporting evidence
Stage Key words or sentences
1. 2 contrary theories
2. in two particular street the cholera was so severe ..... find out why
3. marking on the map
4. houses number 16,37,38 and 40;
20 and 21; 8 and 9
5. multiple death near the water pump;
some houses had no death.
6. a woman and her daughter had died,
the woman liked the water.... had it delivered to her house
7. John Snow announced that the pump water carried cholera germs.
analyse the result
4. Put the following scientific stages in right order.
ask a question
draw a conclusion
collect data
find supporting evidence
think of a method
find a problem
Rigorous attitude to science
Critical thinking
Creativity
Para 4-5
The Father of Modern Epidemiology
Water companies sold water from the River Thames that was polluted by raw waste, causing people who drank this water to get malaria.
1) Water companies began to sell clean water.
2) The threat of cholera around the world decreased.
3) He helped people know how to prevent cholera.
4) Snow transformed the way scientists study diseases.
2. What contributions did John Snow make
1. What caused the outbreak of cholera in London in 1854
Was cholera defeated completely
Yes No
How to prevent the cholera
Fill in the blanks according to the text.
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 streets _____ 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) .
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.
causing
to prevent
so
the
investigation
that
removed
had been infected
a
that/in which
After reading
Discover artemisnin to treat malaria,
awarded the Nobel Prize
Father of hybrid rice
keep people away from hunger
Despite the danger of infection, devote to the research of coronavirus infection
After reading
What qualities and scientific spirits do they have in common
strong sense of social responsibility
knowledgeable
courage to face difficulties
Discussion
committed
critical thinking
creativity
questioning mind
care for life
Homework:
1. Write an article to introduce your favourite scientist.
2. Finish the exe. on Page 4.
language points
1. suspect vt. 认为；怀疑　n. 嫌疑犯
(教材原句) Snow suspected that the water pump was to blame.
斯诺怀疑水泵是罪魁祸首。
【知识归纳】
suspect sb of doing 怀疑某人做某事
be suspicious of/about 对某事怀疑
suspect sb/sth to be+n/adj. 怀疑、猜想某人/某物为
(1)The boss suspects him ______ taking the computer away from the company.
(2) Judging from his expression, I suspected him______(be) a thief.
(3)Some of his colleagues at work became___________ (suspect) of his behaviour.
【即学即练】
单句语法填空
of
to be
suspicious
2.subscribe vi. 认购（股份）；定期订购；定期交纳（会费）
(教材原句 )Snow subscribed to the second theory.
斯诺赞同第二种理论。
(1)subscribe to 同意；赞同；订阅；捐款
subscribe...to 在······上签署······；向······捐······
(2)subscriber n.（杂志等）订购者，订阅者；用户；捐助者
【知识归纳】
【即学即练】
(1)She __________ (subscribe) to an environmental action group.
(2)The whole nation _________(subscribe) a lot of money to the flooded areas.
(3)Write a letter to us at once and the free album will be offered to every new __________(subscribe).
subscribes
subscribed
subscriber
3. blame vt. 责备； 谴责　n. 过失；责备
(2021·全国甲卷)It's the seaside birds that deserve at least part of the blame for getting Nick Burchill blacklisted at the Fairmont Empress Hotel in Victoria, Canada.
加拿大维多利亚的费尔蒙特皇后酒店把尼克·伯奇尔列入黑名单，至少应该部分归咎于海边的鸟类。
【知识归纳】
blame sb for sth / blame sth on sb 因某事责备某人
be to blame(for) 应承担责任（主动形式表被动意义）
bear/ take the blame for...... 对......负责
【即学即练】
单句语法填空
(1)(2024·九省联考)When Katherine, the trainer, saw this, she blamed Hilda _______ her carelessness.
(2)You should take the blame_____what you have done.
(3)Don't always blame your own failure _____others.
(4)To be honest, lt was Su's fault, but Li was also_________(blame).
for
for
on
to blame
4.as a result of 因为；由于；作为······的结果
(2023·新高考II卷)Program evaluations show that kids eat more vegetables as a result of the classes. 项目评估显示，上完园艺课程的结果是，孩子们会吃更多的蔬菜。
【知识归纳】
as a result 结果
without result 没有结果，白费
result in 导致，造成
result from 由..........造成，因........而产生
【即学即练】语法填空
(1)As _____result, they agreed to my advice, and everything went well as planned.
(2)It's generally believed that his cancer resulted________ the overfull tiredness.
(3)(2024·九省联考)This seemingly unusual way of demonstrating fondness can result _______ unpleasant behavior.
(4)(2022·北京高考)You’ll be informed by email if you are being deregistered as a result missing sessions.
a
from
in
of
5. link vi.联系；纽带；链接 vt.把······连接／联系起来；相关联
(2023·全国乙卷)It can bring a new interest and focus into people’s lives and help to make the link between home and nature. 它可以为人们的生活带来新的兴趣和焦点，并有助于建立家庭与自然之间的联系。
【知识归纳】
a link between A and B A和B之间有联系
link...to／with／and... 把······和······连接／联系起来
(1)There's _____direct link between unhealthy diet and heart disease.
(2)The police suspect that the two cases may ___________ (link).
(3)(2021·天津高考)More engagement with the arts is linked _____ a higher level of people's wellbeing.
(4) They walked with their arms______ (link).
【即学即练】语法填空
a
be linked
to
linked
Summary
You can click here to add what you want to add. It is easy to change.
You can click here to add what you want to add. It is easy to change.
应用词汇：
1.suspect：suspect sb of doing,
be suspicious of/about,suspect sb/sth to be+n/adj
2.subscribe：subscribe to,
subscribe... ...to, subscriber
3. blame : blame sb for sth / blame sth on sb, be to blame(for) ,bear/ take the blame for......
4. link : a link between A and B
link...to／with／and...
词 汇 清 单
认知词汇:
cholera,diarrhoea,dehydration,infection,
germ,raw,epidemiology,protein,mechanical
拓展词汇：
1.subscribe→ subscriber→ subscription
2.suspect→suspicious
3.transform→transformer→transformation
4.assistant→assist
5.defend→defense
6.vivid→vividly
重点句式
1.It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.(It seemed that...固定句型，have it done 让别人做某事)
2. The people who drank this water were much more likely to get cholera than those who drank pure or boiled water.(who 引导定语从句）
used to do
die from
in time
attend to
once and for all
in general
thanks to
break out
take on
be familiar with
come down
above all
in charge of
核心短语
Exercise
单句语法填空
1. I subscribed________a number of journals concerned with my subject this time.
2. We are living in a time of social_____________(transform).
3. His father died________a car accident last year.
to
transformation
from
31
a
to
are suspected
to
down
32
infection
Statistics
1．As far as I know, he is likely to drop out of school to_________ his sick mother.
2．I have never______________ the view that schooldays are the happiest days of your life.
3 We arrived home at 12:00, just ___________ for lunch.
4. Let's settle this matter_______________.
5. _______________his strong constitution(体格), Jack was able to pull through his recent serious illness.
once and for all; subscribe to; thanks to; attend to; in time;
in general; rather than; care about; get down to
attend to
subscribed to
in time
once and for all
Thanks to
6. If you fail at the first attempt,there is no need to ___________that.
7. After the Spring Festival,I'm going to__________ some serious job
-hunting.
8. Jane is a quiet girl, who prefers to stay in the library ___________ go to see a movie.
9. ___________, the northerners are keen on dumplings while the southerners are fond of rice.
care about
get down to
rather than
In general
The best preparation for tomorrow is doing your best today.
对明天最好的准备就是今天做到最好。