外研版高中英语选修6 Module5 Cloning Period2 listening and vocabulary课件(共24张PPT)

课件24张PPT。Module 5
Cloning Listening and
vocabularyThey all have the same .genes Clone: to make an exact copy of a plant or animal using artificial(人工地) way. 1. Who do we get our genes from?
2. How many parents does a cloned animal have?

3. Where are cloned animals created?Our parents.One. In a laboratory. 4. In what way are Sheep A and Sheep B identical?They both have identical genes.identical the same or exactly alike
be identical to... Your Argument About Cloning: Are you for cloning?ORAre you against cloning?Activity 3 on P61: Say which of the arguments below are for cloning and which are against cloning.Write F (for) for A (against) Cloning is against nature._______.
Cloning will be beneficial to humans. For example, if a couple can’t have children, cloning could help give them a child.____
Cloned animals get ill and die quite young.___
People are afraid that scientists will create thousands of copies of the same person.___
Cloning is dangerous because scientists may create monsters by mistake.____
We could use cloning to cure illness._____
AFAAAFWhile-listening Listen to a radio discussion about cloning and correct the information in Activity 5 on P62.Listen and correct the wrong information .Dr Hugh Donaville works for a company that has already cloned a number of people.
A sheep called Dolly was cloned in 1998.
Dolly the sheep died in 2003.
Donaville thinks scientists treated Dolly the sheep as a product.
Donaville says that if a child is very ill, scientists could clone it.
Donaville thinks it`s a good idea to have thousands of copies of the same person.
Donaville says that we could clone animals
that have become extinct.animals1997The presenterdiesterribleare becomingWhile-listening Consolidation
Fill in the chart with the right information from the passage. beneficial helping coupleidentical family society extinctbecoming get ill young wrongagainstthings products copiesListen to the tape and fill in the blanks.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 _______ a number of animals.
Hugh?Donaville: Good morning.
Presenter: Dr Donaville, could you begin with a simple _____________of cloning?
Hugh?Donaville: Certainly. Cloned animals are created in a laboratory. They take all their _______ from a single parent.
cloned explanation genesPresenter: So cloned animals come from
.
Hugh?Donaville: Precisely.
Presenter: How successful has cloning been so far?
Hugh?Donaville: Well, as most people know, in 1997 scientists cloned a sheep called Dolly. Since then, scientists have cloned animals such as pigs and cats. one parent onlyPresenter: You make cloning _______easy.
Hugh?Donaville: Do I? I wish it was. If it was easy, I'd be a very rich man by now.
Presenter: So what are the difficulties?
Presenter: ______________, cloned animals get ill and die quite young. For example, Dolly the sheep died in 2003. She should have lived longer.
Presenter: Why do they get ill?
Hugh?Donaville: We've got a few ideas but we don't really understand why yet. sound Unfortunately
Presenter: I see. Now obviously, Dr Donaville, you believe that cloning will be __________ to human beings.
Hugh?Donaville: Yes, I do. If I didn't believe that, I'd be in a different job.
Presenter: Many people believe that cloning is wrong and against ________. How do you answer them?
Hugh?Donaville: I tell them that cloning is a way of helping nature. beneficial naturePresenter: But cloning treats animals and people as things, as __________.
Hugh?Donaville: Nonsense! I don't think that's true at all. I don't think scientists treated Dolly the sheep as a product. She was a sheep!
Presenter: I'm not sure everyone believes that. Also, people are afraid that scientists will create thousands of _______ of the same person.
Hugh?Donaville: I agree, if that happened, it would be terrible. We need laws to prevent that.
products copies
Presenter: I'm glad you agree about that. But why do scientists want to clone humans? I can't see any good reasons for this.
Hugh?Donaville: On the __________, there are very good reasons. For example, if a couple can't have children, then cloning can give them a child. And if a child dies, we could clone it.
Presenter: Create an identical copy, you mean? I think that's a terrible idea. contraryHugh?Donaville: A clone can never be an identical copy of another person. It's not just your genes that create who you are. It's your family and ________ as well.
Presenter: True.
Hugh?Donaville: To continue, we could clone animals that are becoming ______.
Presenter: Yes, if we were able to do that, it would be wonderful. I can see there are many __________ both for and against cloning. society extinct argumentsMatch the words and expressions in the box with their meanings. Everyday English on the contrary That’s it.
Incredible to continue
obviously in other words
Nonsense!1. clearly
2. I’m going to continue.
3. to say it another way
4. It’s a difficult to believe!
5. The opposite is true.
6. That’s completely untrue.
7. That’s right. obviouslyto continuein other wordsIncredible!on the contraryNonsense!That’s it.Complete the conversation with the expressions. T(Teacher): Tell me what you know about cloning.
S(Student): Cloned animals take their genes from both their parents.
T: ______________, they take their genes from a single parent.On the contraryS: Sorry, yes. __________ scientists join an egg and an adult cell from the same animal or plant. This creates a clone.
T: ________! Well done!
S: But of course, cloned animals will never be “real” animals, will they?To continueThat’s itT: _________! _________, there are problems with cloned animals at the moment. This is because cloning is a new science. But one day, clones will be just as good as real animals or humans.
S: _____________, cloned animals will be just like you or me?
T: Yes!
S: _________!NonsenseObviouslyIn other wordsIncredibleAssignmentRead the tape script aloud;
2. Finish the exercises in the
workbooks