Do you know the first cloned mammal in the

world?

Any other cloned animals?

If cloning goes wrong…

Fun picturesFun pictures

A dog or an eagle?A dog or an eagle?

Discussion

Do you think it would be a good idea to clone humans some day?

Unit 3 Science and nature

Scientific terms

clone gene

egg tissue

organ cell embryo

Scientific terms

clone vt./ n.克隆It was in Ian Wilmut who cloned the sheep Dolly.

The sheep Dolly was cloned from adult cells.

This computer is just an IBM clone.n. 仿制品

tissue

egg

embryo

organ

cell

1.on (the) one hand, on the other hand …… …… 一方面 ，另一方面

eg:On the one hand, rapid development of the economy will improve the living conditions of the people. On the other hand it will speed up environmental destruction.

一方面经济的迅速发展会改善人们的生活状况 , 另一方面它会加速环境的破坏。

2. toy with... 玩弄

She just toyed with her food,as she wasn’t really hungry. He accused the young man of toying with his daughter' feelings.

The text mainly talks about what cloning is and different attitudes toward it.

Fast reading—Main ideaFast reading—Main idea

Refer to the reading passage and Refer to the reading passage and find out the main idea.find out the main idea.

Match each paragraph with its correct main idea

Para 1

f. An announcement about the first cloned human embryo caused much debate.

b. The first cloned mammal was Dolly.

a. Ian Wilmut is shocked that some scientists are considering cloning human beings.

d. A woman wants to have a cloned baby.

c. Cloning human embryos is illegal in many countries, but some scientists still want to clone human beings.

e. Chinese scientists continue to research ways in which cloning can benefit mankind.

Para 4

Para 3

Para 2

Para 5

Para 6

Reading strategy:understanding scientific terms

First,read the first and last paragraphs for an idea of what the article is about.

When we read an article about science, we can follow the step:

Second,scan the body.

Third,read through the article a few times.

Detailed reading （ Analyze the stucture of the passage ）

para1Main idea: Different towards the

success of cloning a human embryo

•On the one hand: Valuable tissues and organs can

be produced and be used to save human lives

• on the other hand

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

attitudes

Para 2Make an introduction

Dolly; first cloned mammal

created by a Scottish scientist, Ian Wilmut

1996

2003

because of lung disease

Name:

Created by:

Date of birth:

Date of death:

Death reason:

Paragraph 3-5

• How many people are mentioned from para3-5? Who are they?

Ian Wilmut

Faye Wilson

Severino Antinori

According to the passage, what is

the real intention of Ian Wilmut's cloning research?A. To create copies of humans in the end.B. To destroy human embryos in the end.C. To create new tissues or organs for sale.D. To cure deadly diseases eventually

What is Faye Wilson’s problem?

She can not have a baby. What is her wish?

She was anxious to have a child of her own through cloning.

What is Severino Antinori’s attitude towards human cloning? For or against?

For.

He wants to be the first to clone a human being.

What do Chinese scientists focus their efforts on?

They have focused their efforts on cloning animals ,as well as cloned tissues to be used in medical treatment.

Para 6

Debate

Do you think human beings should be cloned?

Group A

There should , for…

reasons:reasons:

Group B

There shouldn’t, for…

reasons:reasons:

1.toy with nature

1.produce valuable human tissues

2.save human lives

3.......

2.produce monster

3........

What is your opinion on human cloning?

Activity:

Requirements:1.group the students who hold the same opinion2.work in groups to discuss your supporting points3.present your results in the debate

Group 1 Anti-cloning Group 2 Pro-cloning

Your arguments should involve the following items:Your arguments should involve the following items:

• State your opinion.State your opinion.

• Give your supporting details and examples.Give your supporting details and examples.

• Ask hard questions to your opponentsAsk hard questions to your opponents

• Come to your conclusion.(Express your wish. /Put Come to your conclusion.(Express your wish. /Put

forward a suggestion.)forward a suggestion.)

My idea…….(against)1.toy with nature2.produce monster 3.cloning shows no respect for human life4.Human life5.We should be having fewer babies in order to reduce population not cloning more

My idea…….(for)1.save human lives2.cure diseases 3.good news for those who cannot have their own baby4.bring back loves ones

From my point of view, …On the one hand… On the other hand…Besides; what’s more; in additionWhat's worseAs for; with/in regard to; concerning; as toin view of; consideringSo my conclusion is that …

Homework

Writing an article about “cloning” according to the text.