Here are some facts about cholera. Try to present them to your partners and consider whether they are the same as you expected.
1. Cholera can kill sufferers within a few hours if they are left untreated. 2. About 100,000 –120,000 people die of cholera every year and most of them are not reported to the WHO.
Read the text quickly and complete the
main idea of it.
The text is mainly about _____ John
______ defeated cholera Snow and how he _______________.
I. Read the text “John Snow Defeats „King Cholera‟”, and fill in the blanks.
Who is he?
Which scientist discovered that objects in water are lifted up by a force that helps them float? He is … Archimedes (阿基米德)
Who is he?
Who wrote a book
The disease is not always serious, but 1 in 20 patients suffer from severe diarrhea, vomiting and muscle pains. Without treatment, such patients can die within a few hours if their bodies lose too much water.
人教课标 高二 必修 5 Unit 1
There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do they play in the field of science? Do these achievements have anything in common? Match the inventions with their inventors below before you answer all these questions.
doctor and He was a famous ________ Queen Victoria's personal physician. He made up his mind to solve the cholera problem of ________. Two Theory 1: Cholera was spread by air theories ______. Theory 2: The disease went into people 's bodies through meals their _______. His He thought that the ________ second suspicion theory was correct.
6. Safe and effective cholera vaccines are now used to control the disease. 7. Today, no country requires proof of cholera vaccination as a condition for entry.
explaining how
animals and plants developed as the environment changed? He is … Charles Darwin.
Who is he?
Who invented the first steam engine? He is … Thomas Newcomen.
3. Look at the picture, the map and the title and predict the content of the reading passage. Then skim it quickly to see if you are right.
John Snow
Humphry Davy
Who is he?
Who put forward a
theory about black
holes?
He is … Stephen Hawking
1. Do you know how to prove a new idea in scientific research? Discuss in small groups the stages in setting out a new scientific idea. What order would you put them in?
Alexander Bell Thomas Edison Laite Brothers Madame Curie Franklin Steven Hawking Elbert Einstein Isaac Newton
electricity the First telephone the electric Lamp black holes in Universe Theory of Gravity the First Plane Radium the Theory of Relativity
She is …
Marie Curie
Who is he?
Who invented the way of giving electricity to everybody in large cities?
He is …
Thomas Edison
Who is he?
Who was the painter
Find supporting evidence
2. What do you know about infectious diseases? What do you know about cholera?
What is Cholera? Cholera is a disease caused by Vibrio Cholerae, a form of bacteria that attacks the intestine ( 肠).
The spread of cholera
Previous cholera epidemic in Great Britain in 1831-32
Great Britain London
Germany
Death of first cholera case in London during the 1848-49 epidemic
Draw a conclusion Think of a method
Please put the 7 stages in right order according to the passage.
Collect results
Make a question
Find a problem Analyse the results
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
Match the stages of scientific research with what John Snow did to solve the problem of cholera.
1. Find a problem.
• He noticed two possible theories which explained how cholera spread. • He wanted to face the challenge of cholera and find the cause.
that studied dead
bodies to improve his
painting of people?
He is …
Leonardo da Vinci
Who is he?
Who invented a lamp to keep miners safe underground?
He is …
பைடு நூலகம்
Who is he?
Who used peas to show how physical characteristics are passed from parents to
their children? He is …
Gregor Mendel
Who is he?
Who discovered radium?
3. 80% of cholera sufferers can be successfully treated with safe water and salt. 4. Safe water and waste control can prevent cholera. 5. When there is an outbreak of cholera, it is important to focus on treatment and waste control.