课件23张PPT。the world’s cloned
.
created by scientists
in .died in because
of .firstmammalScottish 19962003lung diseaseUnit 3ReadingThe perfect copy Title understanding---The perfect copyHow can you understand the word copy?
A. model
B. clone
C. similarity
D. imitationcloned pigsFirst reading
1.What is cloning ?
2.Who created Dolly ?
The passage is mainly about_______.
A. what cloning is
B. the advantage of cloning
C. arguments about cloning human embryos
D. the disadvantage of cloning
Match each paragraph with its correct main ideaPara 1
Para 2
Para 3
Para 4
Para 5
Para 6An announcement about the first cloned human embryo caused much debate.The first cloned mammal was Dolly. Ian Wilmut is shocked that some scientists are considering cloning human beings.A woman wants to have a cloned baby.Cloning human embryos is illegal in many countries, but some scientists still want to clone human beings.Chinese scientists continue to research ways in which cloning can benefit mankind.Second reading—Detailed information
Read the article carefully, and finish the following exercises:
1.The announcement of successful human embryo
cloning has caused much debate because______.
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_________.
A.cloning will create more diseases in 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 nature at his will
3.According to the passage, what is the real intention of Ian Wilmut’s cloning research?
A. To create copies of humans in the end.
B. To destroy human embryos in the end.
C. To create new tissues or organs for sale.
D. To cure deadly diseases eventually.
4.How does a woman who cannot give a birth
benefit from cloning?
A.She can have a baby using another woman’s egg.
B. She can have a baby genetically related to her.
C. She can adopt someone else’s child by cloning.
D. She can have more children.
5.What can we infer from the whole passage?
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.
Decide whether the following are true
or false.
1) People all over the world are happy
about the idea of cloning human beings.
2) Dolly, the first cloned mammal, was
just the same as other sheep.
3) According to the article, the scientist
who created Dolly does not agree with
cloning human beings.F F T4) Cloning can be used to cure diseases
because it can produce new tissues.
5) Cloning human beings is illegal in
many countries, so no scientists want
to clone human beings.
6) Both Colin Jack and Pauline Carter are against cloning humans.F F TTwo readers’ letters
What are the different attitudes towards the success of cloning a human embryo? 3. Read the two letters carefully and do true or false exercise:Pauline Carter thinks:
1. The nature will_______ _______(报复) if we ________ __________ _______.
2. We should be having ________ ________ to _______ ______ ________ __________.
3. The lady who cannot have a baby can________ an _________ , but not have a________ baby. pay backtoy with itfewer babiesreduce the Earth’s populationadopt orphanclonedColine Jake’s opinions:
1.__________ ____________mentioned in the article are _________.
2.He is ______ ________ __________ _____________ human cloning because he believes that cloning would totally_______ ______ _______.
3. Human cloning can _________ her daughter who has died________ ______ _______ __________(使…重返他的生活). Scientific advancesfantasticin complete agreementwithhis lifebringback to herlifetransform2. Find the reasons why people are for or
against cloning in the article and letters
and write them in the table below.produce valuable tissues and organs that could be used to save human lives
Cloning might produce a real-life Frankenstein’s monster
help those who are unable to have childrenhelp those who want to clone their dead children and transform one’s lifeCloning would lead to more diseases in the animal world Cloning shows no respect for human life.Human life becomes a crop to
be harvested or a product for sale.
We should be having fewer babies in order to reduce the Earth’s population, not cloning moreWhat is your opinion about human cloning?foragainstYour reasonsSummaryWe should take advantage of science to benefit mankind , but we should not break the natural law . Homework
Write a short passage about 80-100 words to express your opinion on human cloning.
写作要点:1. 根据课文所学,阐述赞成或反对的观点。
2. 表明自己的观点并给出理由。
Human cloning, the new kind of technology, has caused widespread discussion.
......
......For
1. I’m in favor of…
2. I’m in complete agreement with…Against
I’m against…
2. I believe that…is wrong
Your opinion:
1.As far as I am concerned, ...
2.On my personal note, ...
3.I hold the belief that...Useful structures:Against-cloning
toy with nature
show no respect for nature
lead to diseases
cause a lot of anxiety
use up natural wealth
......For-cloning
produce valuable human tissues
science advances
transform people's life
be a good news for people who have no baby
...... Homework: Homework:
Write a letter to the editor and
express your opinions about
cloning human embryos.