Transcript Document

Unit 3
Science and nature
Teaching aims and demands:
1.
2.
3.
To learn a passage The perfect copy.
To arouse the students’ interest in cloning
and let them join in all the activities
designed.
To practice the students’ abilities of
reading comprehension and speaking.
Do you know anything
about cloning?
What do you know
about them?
Lead in:
Dolly was the first cloned mammal created by a
Scottish scientist and his group in 1996. She was
exactly the same as her mother, in appearance and
in genes.
Do you think it would be a good
idea to clone humans some day?
Reading
The perfect copy
Read the passage quickly and
answer the following questions:
1. What is cloning?
2. What was the name of the first cloned
mammal?
3. Is Pauline Carter for or against
human cloning?
1. What is cloning?
Cloning is producing an exact copy of a
plant or an animal using its cells.
2. What was the name of the first cloned
mammal?
Dolly.
3. Is Pauline Carter for or against
human cloning?
She is against human cloning.
Scanning
Read the passage carefully and decide which of
the statements below are true(T) or false(F).
1、People all over the world are happy about the idea of
cloning human beings.
T/F
2、Dolly,the first cloned mammal, is exactly the same as other
sheep.
T/F
3、According to the article, the scientists who created Dolly does
not agree with cloning human beings.
T/F
4、Cloning can be used to cure diseases because it can produce
new tissues and organs.
T/F
5、Cloning human beings is illegal in many countries, so no
scientists want to clone human beings.
T/F
6. Both Colin Jake and Pauline Carter are against cloning humans.
_
T/ F
Find the reasons why people are for or against
human cloning in the article and write them in the
table below.
For human cloning
Against human cloning
1 produce valuable tissues and
organs that could be used to
save human lives
1human life becomes like a
crop to be harvested or a
product for sale
2
2
3
3
4
5
For human being
1. produce valuable tissues and organs that
could be used to save human lives
2. help those who are unable to have children
3. help those who want to clone their dead
children
Against human being
1. human life becomes like a crop to be
harvested or a product for sale.
2. may produce a real-life monster
3. would lead to more disease in the animal world
4. cloning shows no respect for human life
5. we should be having fewer babies in order
to reduce the Earth’s population, not cloning
more
II. Complete the table. (Read the text and Part E)
Attitudes to
human cloning
Persons
Reasons
Faye Wilson
She is _________ to have a child of her own.
Severino Antinori
He has declared that he wants to be the first ______
_______ a human being.
____________
_______________
Ian Wilumt
Negative
_______________
Wang Lin
He is in complete agreement with human cloning,
because he wants to clone his daughter who died of
heart failure.
He never intends to create _______ of humans.
Instead, he thinks research efforts should ______ on
creating new _______ and organs that can be used
to cure diseases like cancer.
Human cloning is _______ nature. Human life
would just become a crop to be harvested or a
product for sale.
The Earth’s natural ________ is limited. We should
not clone more people.
The whole concept of cloning is not moral. If we
____ with life, we might create problems.
There are many ________ problems with cloning.
Mankind is not ready for it.
Attitudes
to human
cloning
Persons
Reasons
She is _________
anxious to have a child
of her own.
He has declared that he wants to
clone a
be the first _____
to _______
human being.
He is in complete agreement with
__________
Colin
Jake human cloning, because he wants
to clone her daughter who died of
heart failure.
Faye
Wilson
Positive Severino
_________
Antinori
Attitudes
to human
cloning
Persons
Reasons
He never intends to create
copies of humans. Instead, he
_______
Ian Wilmut thinks research efforts should
_____________ on creating new
focus/concentrate
tissues and organs that can be
_______
Negative
used to cure diseases like cancer.
against
Human cloning is _________
nature. Human life would just
Pauline become a crop to be harvested or
__________
Carter
a product for sale.
wealth is
The Earth’s natural _______
limited. We should not clone
more people who may use it up.
Attitudes
to human
cloning
Persons
Reasons
The whole concept of cloning is
not moral. If we ____
toy with life,
Negative Wang Lin we might create problems.
There are many real-life
________
problems with cloning. Mankind
is not ready for it.
IV. Consolidation:
1. The announcement of successful human
embryo cloning has caused much debate
because _________.
A
A. people still have no clear idea about the
results of human cloning
B. valuable tissues and organs can be used
to save humans
C. mankind is going to produce terrible
monsters
D. people know that nature will punish
mankind for human cloning
2. The success of the cloned sheep Dolly has
proved that_________.
C
A. cloning will create more diseases in the
animal world
B. cloned animals will die at a much
younger age than normal
C. man has been able to produce an exact
copy from an adult cell
D. man can interfere with（干涉） nature
at his will
3. How does a woman who cannot give a
birth benefit from cloning? B
A. She can have a baby by using another
woman’s egg.
B. She can have a baby of her own.
C. She can adopt someone else’s child by
cloning.
D. She can have more children.
4. What can we infer from(推断） the
whole passage? B
A. Cloning animals is illegal in Italy.
B. Chinese scientists are trying to benefit
mankind by using cloning technology.
C. Chinese scientists want to be the first to
clone a human baby.
D. Colin Jake agrees with the scientists who
want to clone a human baby.
If possible, do you want another
person to be exactly the same as
you?
Consolidation test
1. Recite the new words and expressions
in the passage.
 2. Read the passage more carefully and
find the difficult sentences you don’t
understand.
