Why was cholera called “King Cholera” in the text? A. Because it caused many deaths. B. Because it got its name from Queen Victoria. C. Because it was defeated with the help of the King. D. Because it was the most deadly disease of its day.
I. Number these events in the order that they happened. ___ 2 John Snow began to test two theories. ___ 1 An outbreak of cholera hit London in 1854. ___ 4 John Snow marked the deaths on a map.
Think of a
Stage 3 method
Began to gather information
to _______ prove that the second
(para.3)
Stage 4 Collect (para.4) results Stage 5 Analyse
theory was correct.
She is …
Marie Curie 居里夫人
Who is he?
Who invented the way of giving electricity to everybody in large cities?
He is …
Thomas Edison 爱迪生
Who is he?
Who was the painter
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
explaining how
___ 7 He announced that the water carried the disease. ___ 3 John Snow investigated two streets where the outbreak was very severe. ___ 8 King Cholera was defeated. ___ 5 He found that most of the deaths were near a water pump. ___ 6 He had the handle removed from the water pump.
I. To prove a new scientific idea,
seven stages are needed. Read
the text carefully and fill in the
blanks.
Find a A large number of people died Stage 1 problem of cholera, but neither its cause nor its cure (Para.1) _______ _____ was understood. Make a ◆ Theory one: Cholera Stage 2 question ___________ multiplied in the air and floated around until it found its (para.2) victims. ◆ Theory two: When people absorbed cholera into their ___________ bodies with meals, their bodies were attacked.
Answer these questions. 1. John Snow believed Idea 2 was right. How did he finally prove it?
John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.
Many deaths happened here.
No death happened here.
The water from the pump was to blame.
Find (para.6) evi evidence Both of them died of cholera after
Great Britain London
Germany
The spread of cholera
Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right.
animals and plants developed as the environment changed? He is … Charles Darwin 达尔文
Who is he?
Who invented the first steam engine? He is … Thomas Newcomen 汤玛斯.纽科门
Find supporting evidence
2. What do you know about infectious
diseases? Infectious diseases can be spread to
other people. They have an unknown
cause and need public health care to
John Snow
P76
Read the text quickly and
complete the main idea of it. John The text is mainly about _____ defeated cholera Snow and how he ________________. ______
Stage 6 supporting from two other deaths:
drinking the water _____________________.
Stage 7 Draw a
conclusion
polluted water ◆ _______________
carried the virus. ◆ All the water supplies should be examined _________.
Marked where the dead people had lived on a(n)
map ______. source Looked into the ________
of the water to see if the
problem was the water.
(para.5) the results
solve them.
infectious diseases:bird flu; AIDS, SARS are infectious diseases. Infectious diseases are difficult to cure.
3. What do you know about cholera? Cholera is the illness. If infects
人教课标 高二 必修 5 Unit 1
A quiz:
Match the inventions with their inventors below
Alexander Bell Thomas Edison Laite Brothers Marie Curie Franklin Steven Hawking Elbert Einstein Isaac Newton
people’s intestines(肠胃), causing
diarrhea(腹泻), vomiting(呕吐) and
leg cramps (小腿抽筋).
The most common cause of cholera is by someone eating food or drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重 的) or even without symptoms(症状), but a severe case can lead to death without immediately treatment.
that studied dead
bodies to improve his
painting of people?
He is … Leonardo da Vinci
列奥纳多.达芬奇
Who is he?
Who invented a lamp to keep miners safe underground?
electricity the First telephone the electric Lamp black holes in Universe Theory of Gravity the First Plane Radium the Theory of Relativity