模块5 Unit 3 Science versus nature Welcome to the unit 课件（23张PPT）
文档属性
| 名称 | 模块5 Unit 3 Science versus nature Welcome to the unit 课件（23张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 2.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2020-02-26 20:46:01 | ||
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文档简介
(共23张PPT)
Welcome to the unit
Lead-in
Do you think that human beings should try to control nature?
Should we do anything against the laws of nature? Why or why not?
Science and nature
The advanced technique in genetics（遗传学）
with which scientists can create or copy things with the same DNA is called_________.
clone
Science and nature
What do you know about Dolly?
Dolly and its creator.
Science and nature
“Cloning” is a new biotechnology (生物技术) which aims to produce an exact copy(精确复制品） of an animal or a plant from its own cells.
Look at the following pictures and study them. Can you tell what is the main feature of cloning?
Science and nature
Dolly is together with her mother.
What do you know about Dolly?
Science and nature
the world’s first cloned mammal
created by Scottish scientists in 1996
sparked worldwide interest and
concern after its birth
many countries, including Germany,
France, Canada, Switzerland,
Austria, Norway and South America,
have banned human cloning since
Dolly’s birth
died in 2003 because of lung disease
Science and nature
These female pigs are also cloned. They were born on Christmas Day 2001. They were Noel, Angel, Star, Joy and Mary.
Science and nature
The name of the first cloned monkey is ANDi. The playful coffee-coloured monkey was born in 2000.
The technology is
different from that
used for Dolly.
Science and nature
Do you know any other cloned animals?
the cloned deer
Science and nature
Do you know any other cloned animals?
cloned calves from Japan
Science and nature
If cloning goes wrong, what will happen?
Science and nature
A dog or an eagle?
Science and nature
A duck or a crocodile?
Science and nature
A lion or a kangaroo?
Science and nature
A frog or a crocodile?
Science and nature
A bird or a dog?
Science and nature
What do you think about the funny pictures above?
Is cloning good or bad?
Science and nature
Advantages of cloning:
cure many genetic diseases
save people’s lives
prevent some endangered animals
from dying out
Disadvantages of cloning:
cause ethical道德的，伦理的problems
violate (违背) human rights
violate the laws of nature
…
Science and nature
Do you think it would be a good idea to clone humans some day?
Why or why not?
Science and nature
If possible, do you want another person to be exactly the same as you?
Science and nature
Homework
Preview Reading, and do exercises.
A、C1、C2、D
Thank You!
Welcome to the unit
Lead-in
Do you think that human beings should try to control nature?
Should we do anything against the laws of nature? Why or why not?
Science and nature
The advanced technique in genetics（遗传学）
with which scientists can create or copy things with the same DNA is called_________.
clone
Science and nature
What do you know about Dolly?
Dolly and its creator.
Science and nature
“Cloning” is a new biotechnology (生物技术) which aims to produce an exact copy(精确复制品） of an animal or a plant from its own cells.
Look at the following pictures and study them. Can you tell what is the main feature of cloning?
Science and nature
Dolly is together with her mother.
What do you know about Dolly?
Science and nature
the world’s first cloned mammal
created by Scottish scientists in 1996
sparked worldwide interest and
concern after its birth
many countries, including Germany,
France, Canada, Switzerland,
Austria, Norway and South America,
have banned human cloning since
Dolly’s birth
died in 2003 because of lung disease
Science and nature
These female pigs are also cloned. They were born on Christmas Day 2001. They were Noel, Angel, Star, Joy and Mary.
Science and nature
The name of the first cloned monkey is ANDi. The playful coffee-coloured monkey was born in 2000.
The technology is
different from that
used for Dolly.
Science and nature
Do you know any other cloned animals?
the cloned deer
Science and nature
Do you know any other cloned animals?
cloned calves from Japan
Science and nature
If cloning goes wrong, what will happen?
Science and nature
A dog or an eagle?
Science and nature
A duck or a crocodile?
Science and nature
A lion or a kangaroo?
Science and nature
A frog or a crocodile?
Science and nature
A bird or a dog?
Science and nature
What do you think about the funny pictures above?
Is cloning good or bad?
Science and nature
Advantages of cloning:
cure many genetic diseases
save people’s lives
prevent some endangered animals
from dying out
Disadvantages of cloning:
cause ethical道德的，伦理的problems
violate (违背) human rights
violate the laws of nature
…
Science and nature
Do you think it would be a good idea to clone humans some day?
Why or why not?
Science and nature
If possible, do you want another person to be exactly the same as you?
Science and nature
Homework
Preview Reading, and do exercises.
A、C1、C2、D
Thank You!