Unit 3 Science versus nature Reading

课件26张PPT。The perfect copyclone Brainstorming gene geneticgenetically cell embryoorgansheepmammaltissuestem cellbiology Fast reading:1.Does the article give an anti-or pro-cloning point of view, or both?

2.What was the name of the first cloned mammal?

3.Is Pauline Carter pro-or anti-cloning?BothDolly Anti-cloning. Read fast and decide T or F.
1. People all over the world are happy about the idea of cloning human beings. 2. Dolly, the first cloned mammal, is exactly 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 and organs.
5. Colin Jake is against cloning humans, just like Pauline Carter.
6. Cloning human beings is illegal in many countries, so no scientists want to clone human beings.F F TFind the reasons why people are pro-or anti-cloning in the article and letters and write them down. cure diseases like cancerhelp those who are unable to have
childrenhelp those who want to clone their
dead childrencreate more diseases in the animal worldcloning shows no respect for human lifehuman life would no longer be uniquewe should be having fewer babies in order to reduce Earth’s population, not cloning moreReading comprehension: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 cloningA2.The success of the cloned sheep Dolly
has proved that_________.
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
willC3.According to the passage, what is
the real intention of Ian Wilmut”s
cloning research?
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.D4. How does a woman who cannot give a birth benefit from cloning?
She can have a baby by 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.
B5. What can we infer from the whole
passage?
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.BReading strategy:
Understanding scientific terms1.Read the first and last paragraphs
for an idea of what the article is about. 2.Scan the body of the article. Circle
the words you don’t know.3.Read through the article a few times.Match the words with their correct meanings.an important development _____________
human beings _____________breakthroughmankindhelp a woman or a female animal to give birth to a baby ______________
feeling that you have little hope and will do anything to get what you want
_______________
legally become the parents of somebody else’s child ____________deliverdesperateadoptprogress ___________
completely ___________
the results of an action ___________totallyconsequencesadvancesConsolidationFill in the blanks with proper
words according to the newspaper
article.Student: Is it true that the first human
embryo have been (1)_________ cloned?
Scientist: It’s true.
Student : What do you think of it?
Scientist: I think it can produce (2)______
tissues and organs that could be used
to save human lives. However, some
scientists think (3)__________. They
believe cloning human embryos may
(4)________ with nature and be on the
way to (5)________ a real-life
Frankenstein’s monster.
successfulvaluabledifferentlyinterfereproducingStudent: Well, would you please explain cloning in details to me?
Scientist: Yes. Cloning is producing an exact copy of a plant or an animal using its cells. You are very familiar with the cloned sheep Dolly. In (6)_________ , the wonderful scientific (7)____________ was praised.
Student: Can you give me more examples about the uses of cloning humans?
generalbreakthroughScientist: Well, some woman can not have a baby and is (8)_________ to have a child of her own. She doesn’t want to (9)_________ one. What can she do? Cloning gives him the possibility.
Student: Is cloning human embryos illegal in all countries?
Scientist: No. Some scientists are already pushing ahead with research so as to (10)_______ a cloned human baby.
Student: OK. Thank you. I will search on the Internet for more information.desperateadoptdeliver Do you think human beings should be cloned? Work in pairs with your partner and discuss the questions below.
1. What effects do you think human cloning might have?Discussion:2. Do you think governments should pass laws to make human cloning legal or illegal? Why or why not?
3. If you had a cloned brother or sister who looked exactly like you, how would you feel?Thank you!