Unit 3 science versus nature

高二必修 5

Unit 3 science versus nature Pre-reading

Human Cloning

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Title understandingTitle understanding

How can you understand the word copy?

A. model

B. clone

C. similarity

D. imitation

cloned pigs

“Cloning” is a new technology which produces an exact copy of an animal or a plant from its own cells.

Scientific terms Scientific terms clone

Scientific termsScientific terms

A cell is the smallest unit of life.

A stem cell is a further developed cell.

An e______ is the beginning of a baby in a mother’s body.

mbryo

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.

3. A sheep is delivered.

Dolly’s genetic mother is a sheep. Ian just created her, so he isn’t Dolly’s father g_________ though he is called Dolly Father.

enetically

Scientific termsScientific terms

While-reading skimming Go through the newspaper article for the gist

• What is the main idea of the article?

• Does the article give an anti- or pro-cloning point of view, or both?

A recent announcement by scientists that they havesuccessfully cloned the first human embryo has caused much debate and has shocked many people around the world.

Both .

While-reading scanning

• Read after the tape and find more details

• Circle the words you don’t know

Para.1 Different opinions on the first ____________

1. What are the different attitudes towards the success of cloning a human embryo?

On the one hand

On the other hand

valuable tissues and organs can be produced and be used to save human lives

human beings may be on the way to producing a real-life monster

human embryo cloning

Frankenstein’s monster • Frankenstein is the character of a science

fiction written by Mary Shelly.

• If we call somebody Frankenstein nowadays, we mean that he is destroyed by something he has created.

Para.3-5 three persons’ intension

persons introductions relations to cloning

Ian Wilmut a Scottish ________ who created Dolly, the first mammal to be cloned successfully from___________

He was _______when hearing______________________________________________. He never intends to____________________. Instead, he thinks the efforts of scientists should be focused on ________________________that could be used to__________________________.

Faye Wilson a woman of 41 years old who cannot have a _______.

She is desperate to have a baby of her own, a child ____________________________.

Severino Antinori

an Italian______, who is one of the leaders in_______________

He has declared that___________________________________________.

scientist

an adult cell

shocked some scientists were considering cloning human beings

create copies of humans

creating new cellsand organs curediseases like cancer

babythat is genetically related to her.

doctor

the cloning research

he wants to be thefirst to clone a human being

Para.6 the a of China on cloning achievements

Read the two letters carefully, and find out the two

writers’ attitudes towards human cloning.

Pauline Carter is ____ cloning .

Reasons

Coline Jake is ____ cloning.

Reasons

1. Human life would no longer be unique.

2. We should be having fewer babies in order to reduce Earth’s population, not cloning more.

I would clone her so that I could be with her again.

anti-

pro-

Conclude the reasons why people are pro-cloning or anti-cloning pro-cloning anti-cloning1 Produce valuable tissues and organs that could be used to save human lives

1 may produce a real-life

Frankenstein’s monster

/

2 cure diseases like cancer

3 help those who are unable to have children 4 help those who want to clone their dead children

2 create more diseases in the animal world

3 show no respect for human life

4 human life would no longer be unique

5 we should be having fewer babies in order to reduce Earth’s population, not cloning more

Post-reading DebateHuman Cloning: Good or Bad ?

Group A---For side Group B---Against sideSteps

1. voice your general opinions on human cloning

2. take cloning yourself for example

3. free talk

Every coin has two sides.

If used in curing diseases, cloning will be beneficial to us;

If it is abused(滥用 )， it will cause disorder in society.

And the most important is that we only can clone humans physically, not emotionally.

1. It is considered /thought that …2. It is generally /usually accepted/agreed/ recognized that

…3. It is believed /said that… 4. It is well-known that…5. For one thing,… For another , …/ on the one hand…on

the other hand6. Different people, however , have different opinions on

this matter 7. Compared with …, … has a lot of advantages over …8. Besides; what’s more; in addition; first of all9. In short (In brief /In a word), I firmly support the view that

…10.So my conclusion is that …

Assignment

• Finish the exercise on p45 part E

• Write an article about cloning using the information you got from class

Reading strategyIf you want to read the article, you may come across difficult or unfamiliar words. Therefore, we should read it step by step to understand the whole meaning.

Step1

Step2

.

Step3

Begin by reading the first and last paragraphs for an idea of what the article is about.

Scan the body. Circle any words you do not know. Question things you do not understand or that do not appear to make sense

Read through the article a few times, and make sense of the scientific terms upon further readings.

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