Dolly

Unit 2 CloneReading

Unit 2 Cloning Reading CLONING: WHERE IS IT LEADING US?

Pre-reading

In pairs discuss what you understand about cloning. Then judge the following sentences are true or fasle.

eading – I Scanning ( 5ms )

Write the letter “T”if the statement is true. Write “F”if it is false.

1.Cloning means making a copy of an animal or a plant.

2.Dolly the sheep was the first successful clone of a mammal.

3.Natural clones happen in animals as well as in plants.

F

T

T

Fast readingI.Skim and sum up the main idea of each paragra

ph.

Para.1 cloning is a way of making an exact

copy of another animal or plant.

Para.2 cloning have two major uses.

Para.3 The problems of Dolly

Para.4 The effect of Dolly

Para.5 It is forbidden to clone human beings.

Definition :It is a way of making an exact copy of a

nother animal and plant.T &FCloning has been going on in the nat

ural world for thousands of years Clones happen in animals as well as i

n plants.

Intensive readingPart 1 (Para1)

1.How many major uses do cloning have? Firstly, …commercial… Secondly, …research…2. How many female sheep participate in the cloning of a new sheep?

3.When was the cloning of Dolly the sheep born?

Para 2

3

The major uses and procedures of cloning

1996

Do you know about:

The procedure works of a

sheep?

About

Dolly t

he shee

p

● Encouraging news: Dolly develope

d ________.

● Disturbing news:

normally

Dolly lived for six years and a half years, half the length of the life of the originalone.

Para3:The problems of Dolly

Para 4 The impact of Dolly

Dolly’s __________

Raised a storm of ___________and had a great impact on the media and public ______

The eyes of the world

Were opened to the ___________of using cloning to cure serious illnesses and even producing human_____

objectionappearance

imagination

Possibility

beings

True or false:

1 People feared that Cloned Hitlers would do harm to the world.

2 All the research into human beings will be forbidden.

3 Some countries will use cloning in a wise way.

Para 5 People’s reaction to cloning

Many governments forbade research into human beings.

Explanation:Language points

• 1. It is a way of making an exact copy of another animal and plant.

• exact adj. 精确的 , 准确的 , 原样的 , 精密的 2. It happens in animals when twi

ns identical in sex and appearance are produced from the same original eggs.

• 3.Cloning scientists were cast down to find that Dolly’s illnesses were more appropriate to a much older animal.

• 1) cast down ： feeling unhappy and depressed 使沮丧 , 低沉， 使下降 , 推翻

• be cast down = feel discouraged • 2) be appropriate to: be suitable for a partic

ular person, condition, occasion or place; fitting 适合于…的，与…相称的

4. Pick out the proper explanation for words on the left

straightforward commercial conservative Identical accumulate obtain

exactly the same Not complicated Be related to make mo

ney Not very modern in styl

e get something gather or pile

Retell the passage Cloning is a way of making an e

xact copy of another animal or plant.It happens in plants as well as animals.Cloning has two major uses.One is for commercial purposes;the other research.

Although cloning animals is complicated,Dolly the sheep is a breakthrough. Before lone,she got seriously ill and only lived 6.5 years. However,her appearance raised a storm of objections and arguments.

Some countries became nervous and conservative.Therefore, research into human cloning is forbidden. Nobody knows where cloning is leading us.

HomeworkRead the passage again and agai

n,find out any question for next class.

Learn the useful new words and expressions by heart.