高中英语 Module5 Listening and vocabulary课件 外研

4. People are afraid that scientists will create thousands of copies of the same person.
5. Cloning is dangerous because scientists may create monsters by mistake.
6. Donaville thinks it’s a gteorordibildeea to have thousands of copies of the same person. 7. Donaville says that we could clone animals that haarevebebcoemcoinmg eexteinxcttinct.
Presenter: Our topic for this week is cloning. To discuss it, we have with us Dr Hugh Donaville, head of a company that has already cloned a number of animals. Hugh D: Good morning. Presenter: Dr Donaville, could you begin with a simple explanation of cloning? Hugh D: Certainly. Cloned animals are created in a laboratory. They take all their genes from a single parent.
Sheep A was created in a laboratory by scientists. It is a cloned sheep or clone. Sheep B is the “parent” of sheep A. Scientists used the genes of Sheep B to create Sheep A. Both sheep have identical genes their genes are exactly the sarae.
6. We could use cloning to cure illnesses.
Correct the wrong information in these sentences. 1. Dr Hugh Donaville works for a
company that has already cloned a
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2. Cloning will be beneficial to humans. For example, if a couple can’t have children, cloning could help give them a child.
3. Cloned animals get ill and die quite young.
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Say which of the arguments below are for cloning and which are against cloning.
1. Cloning is against nature.
A gene—the part of a cell that controls how it develops
1.Who do we get our genes from?
2. How many parents does a cloned animal have?
3. Where are cloned animals created?
to be against (cloning) argument beneficial to be for (cloning) nature
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4. In what way are Sheep A and Sheep B identical?
They have identical genes, and so are identical in every way
Answer the questions about the words and phrases in the box.
Presenter: So cloned animals come from one parent only. Hugh D: Precisely. Presenter: How successful has cloning been so far? Hugh D: Well, as most people know, in 1997 scientists cloned a sheep called Dolly. Since then, scientists have cloned animals such as pigs and cats. Presenter: You make cloning sound easy.
number of paenoimplael.s 2. A sheep called Dolly was cloned in
11999978. 3. Dolly the sheep died in 2003.
4. DThoenpraesveinltleer thinks scientists treated Dolly the sheep as a product. 5. Donaville says that if a child is vdeiersy ill, scientists could clone it.