内容正文:
选择性必修二
Unit 1 Science and Scientists
Period 1 Reading and Thinking
John Snow Defeats “King Cholera”
To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.
---- Albert Einstein & Leopold Infeld
提出新的问题,新的可能性,从新的角度看待老问题,需要创造性的想象力,标志科学的真正进步。
Archimedes
Charles Darwin
Tu Youyou
Gregor Mendel
Leonardo da Vinci
Marie Curie
Thomas Edison
Zhang Heng
Zhong Nanshan
Do you know the scientists?
scientist
Lead in
The scientists in fighting against COVID-19
Lead in
Zhong Nanshan, who has been committed to the study, prevention and treatment of major respiratory [rɪˈspɪrət (ə)ri] diseases and significantly contributed to the COVID-19 fight, was awarded the Medal of the Republic.
This Term is bound to be extraordinary,during this unusual term we are impressed by the heroes in harm’s way.Today I’d like to show you a person, she is also the heroes in harm’s way of her day, but the battle is about Malaria.
3
Lead in
Besides coronavirus, what other kinds of epidemics(流行病) do you know?
plague
Cholera
loss of liquid/dehydration (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.
John Snow Defeated “King Cholera”
What is Cholera?
Who is John Snow?
How did he defeat Cholera?
Pre-Reading: Prediction
The text is mainly about ____________ and _______ he defeated king cholera.
how
John Snow
Activity 1 Read for the main idea
Para1
Para 2
Para 4
Para 5
John Snow want to use his knowledge to solve colera.
He needed to prove the second theory was correct.
John began his study by marking on the map & the process.
He finally found out that dirty water was the cause of cholera.
John Snow made great contributions to modern epidemiology.
Para 3
Who
How
What
How
John
Snow
cholera
Who? A ________ doctor who even attended _______________ when she gave birth.
What? He had a desire to ________________ o