Transcript 2010-7-2 M7U2 reading1

牛津高中英语
(模块七 ·高二下学期)
Unit
2
Reading
Two life-saving medicines
板块：教学设计—课件
Unit 2
课件描述：
本课件为reading第一课时。课件分
为六部分，首先通过问题导入文章，加
以听力，泛读，精读训练帮助学生了解
文章大意，继而介绍文章阅读技巧，最
后是巩固和复习部分。本课教学主要通
过介绍技巧，辅助学生掌握大意，了解
文章重点难点，并在其中贯穿听说基本
训练。达到听、说、读的综合训练效果。
Unit 2 Reading
(period 1)
--Let’s warm up
Fill in the blanks
• A good _________ tastes bitter.
• Laugh is the best ____ in the world
• There is no ______ against death.
Question:
What do good
medicines have in
common?
Although there is no medicine against
death, but good medicines can make
people feel better, and save
people’s lives.
Two life-saving
medicines
What medicines have you ever taken?
And what do you know about them?
What about the two medicines?
How much do you know about the
two medicines?
Who invented the two medicines?
What illnesses can the two medicines be
used to treat ?
1. When was aspirin first sold as a
tablet?
In 1900
2. What did Fleming, Florey and
Chain share?
The Nobel Prize
Listen to the article and try to
answer the questions
in C1 on page 20.
Answers:
1. About 2500 years ago.
2. In 1897.
3. It can also help reduce the risk
of heart attacks by thinning blood,
prevent a stroke, reduce the risk
of colon cancer, increase the
length of people’s lives and help
with diabetes.
4. In the mould that killed
bacteria.
5. It can be used to treat
bacterial illnesses and other
illnesses including pneumonia.
6. Because Fleming discovered
penicillin and the others
turned it into the great drug
which saved millions of lives.
Development of aspirin:
In 1900: sold in shops as a tablet
In 1950: as the best-selling painkiller
recorded in the Guinness Book
In 1971:proved to be a blood-thinning
medicine
In 1977: used to prevent a stroke
In 2003: used to reduce blood sugar
levels
Development of Penicillin:
In 1928: discovered by Alexander
Fleming
World War II: found new chemical
techniques to purify it
In 1945: all the scientists shared the
Nobel Prize
Fill in the boxes.
Sold in shops
as a tablet
1928
As the bestselling painkiller
recorded in the
Guinness Book
World
War II
1950
1900
Discovered by
Alexander
Fleming
1971
1945
Found new
chemical
techniques to
purify it
2003
1977
All the scientists
shared the Nobel
Prize
Proved to be a
blood-thinning
medicine
World
1928 War II 1945
1900
Used to reduce
blood sugar levels
1977
1950 1971
2003
Used to prevent
a stroke
Effects of aspirin
•
•
•
•
•
•
•
Reduce fever
Help stop body pains
Reduce the risk of heart attacks
Prevent a stroke
Reduce the risk of colon cancer
Increase the length of people’s lives
Help with diabetes
Effects of penicillin
• Help in treating wounds and infections
• Treat other illnesses including
pneumonia
• Do you believe that ‘wonder drugs’
will be invented to treat diseases
like AIDS in the future?
How can we understand medical
terms?
• Words coming from the same stem:
• Words that are compound words:
• Words with irregular plural forms:
Words coming from the same
stem:
•
•
•
•
medicine, medical, medicinal;
pure, purify;
chemical, chemist;
bacterium, bacterial
Words that are compound words:
•
•
•
•
painkiller
blood-thinning
heart attack
acetylsalicylic
Words with irregular plural
forms:
• bacteria
• bacterium
Consolidation
Fill in the blanks with proper
words according to the reading
material.
W: I’d like to know about the two medicines
—aspirin and penicillin. Could you please
tell me something about them?
M: I’ll be glad to. If you open up any
medicine cupboard in the world, there is
a high (1)p___________
that you will
robability
find aspirin and penicillin. Both of them
have saved many people’s lives since
they were invented.
W: When was aspirin invented?
M:I don’t know for sure, either. 3,500
ecommend
years ago, some recipes (2)r_________
drinking a tea made from the dried leaves
of a particular plant to reduce body pains.
In 1897, a European chemist produced
ASA from some chemicals to make a
medicine for his father. The first
rials
(3)t________
of this medicine took place
in 1899 when the powder form began to be
atients
used with(4)p________.
In 1900, it was
sold in shops as a tablet (5)c_______
ontaining 500
milligrams of ASA.
W: Besides reducing fever and pain, what
other functions does it have?
M: It can also help reduce the risk of heart
attacks and colon cancer and so on.
W: What about penicillin?
iscovered by a Scottish
M: Penicillin was (6)d_______
scientist in 1928.He thought it might help
aused
in treating wounds and illness (7)c_____
by bacteria. But it was not until World
War II that two other scientists
managed to use new chemical techniques to
(8)p________
it and then produced it in
urify
uantities
large (9)q________.
Thanks to it, many
lives were saved during World War II. It
ncluding
can also treat other illnesses(10)i______
pneumonia.
W: I’ve learned a lot today. Thank you.
M: It’s a pleasure.
Homework
Review the whole article,
underline the phrases and words
you don’t know.