Unit 3 Science and nature
Welcome to the unit
Step 1 Lead- in
1. Think about some inventions.
Do you think there is conflict between science and nature?
What might the conflict be?
2. Science is developing faster than we can even think about it.
Do you think so?
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a pair of newly-born cloned calves from Japan.
3. What do you know about cloning?
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---“Cloning” is a new _______ which produces an exact _____ of an ______ or a _____ from its own cells. The clone has the same _____ to the “parent”.
不详征兆
4. _______ was the first cloned mammal created by a Scottish scientist and his group in 1996. She was exactly the same as mother, in ______ and in genes.
5. The creation of Dolly:
1) The two cells are combined and become one cell.
2) The cell grows into an embryo which is put into the body of another female sheep.
产品标识3) A sheep is delivered.
Step 2 Picture talking
Picture 1: “Hello, I’m Dolly. I am the world’s first cloned mammal.”
What el do you know about Dolly?
----It is the world’s ____ cloned _______.
It was created by _______ scientists on ____________.
It died in _____ becau of _____________.
Picture 2: “We are five cloned female pigs and we were born on Christmas Day 2001.”
What el do you know about them?
----The five little pigs’ names are Noel, Angel, Star, Joy and Mary.
They were created on _________ 2001 in _________ .大海图片
Picture 3: “I was created using a cell from an adult cat.”
What el do you know about it?
---- Its named is Cc, which is from ‘copycat’.
Scientist in the ____ created it with a__ taken from its mother in _______ 2002.
Picture 4: “I am the first cloned monkey and I was born at a rearch centre in the USA.”
有5g手机吗
What el do you know about it?
---- The name of the cloned monkey is ANDi.
It is from “inrted DNA” spelt backwards.
It is the first genetically modified monkey. The technology is different from that ud for Dolly.
Step 3 Discussion
1. What other cloned animals do you know about?
☆Idaho Gem, the world’s first cloned mule , created on 4 May 2003 in America.
His brother, Taz, was a racing mule that has won many competitions.
(the 20th ssion of Winnemucca mule competition which was held in America Nevada 内华达举行的第20届温尼玛卡赛)
☆In 1962, the scientist Gurdon from Cambridge cloned a tadpole
☆In 1963, the Chine scientist Tong Dizhou cloned a carp, which was 33 years earlier than Dolly.
☆In 1983, the scientists McGrath and Solter cloned a mou.
☆Dewey, a deer, born in 2003
☆Prometea Female, a hor, on 6 August, 2003, In Italy
☆Snoopy, a dog, Born in 2005 in Seoul University in Korea
2. Do you think cloning is always successful?
If cloning goes wrong, what will happen?
3. Enjoy some fun pictures:
A dog or an eagle?
你好的英文A duck or a crocodile?
…
Step 4 Imagination
1. Supposing you are facing your cond lf who looks like you, talks like you and thinks like you, how do you feel?
Do you think it is a good idea to clone humans? Why or why not?
For cloning humans（支持）Against cloning humans（反对）
新手能上高速吗1. 2. 3.…1. 2. 3.…
Tips:
Party A
They shouldn’t, for…
reasons: 1. Cloning can help cure many dias and save a lot of people lives.
2. ……
3. ……
Party B
They should, for…
reasons: 1. Cloning can lead to ethical(伦理) problems.
2. ……
3. ……
2. Giving an oral report
客服的工作内容Today our class had a discussion about whether the governments should pass laws to prohibit human cloning.
Some students think that the governments should, for…
However, some other students think it necessary to prohibit…, for…
In my opinion, …
Homework：
1. Preview the text on Page 4
2.
2. Search the Internet for more information about cloning.
Keys:
Step 1 Lead- in
3. What do you know about cloning?
----“Cloning” is a new technology which produces an exact copy of an animal or a plant from its own cells. The clone has the same DNA to the “parent”.
4. Dolly was the first cloned mammal created by a Scottish scientist and his group in 1996. She was exactly the same as mother, in appearance and in genes.
Step 2 Picture talking
Picture 1: “Hello, I’m Dolly. I am the world’s first cloned mammal.”
What el do you know about Dolly?
----It is the world’s first cloned mammal.
It was created by Scottish scientists on 22nd February 1996.
It died in 2003 becau of lung dia.
Picture 2: “We are five cloned female pigs and we were born on Christmas Day 2001.”
What el do you know about them?
----The five little pigs’ names are Noel, Angel, Star, Joy and Mary.
They were created on Christmas Day 2001 In Scotland .
Picture 3: “I was created using a cell from an adult cat.”
What el do you know about it?
---- Its named is Cc, which is from ‘copycat’.
Scientist in the USA created it with a_cell taken from its mother in December 2002.
…
