Period 1 Warming up& Reading. What will you think of ? cure... Dolly twins the same gene.

Period 1 Warming up& Reading

What will you think of ?

cure

... Dolly

twins the same

gene

A strawberry plant

The plant produces its own runners.

A stem Take cuttingscuttings from growing plants to make new ones.

They are

identical in sex

and appearance,

who are

produced from

the same

original egg.

She was c______while the others were born naturally. It is the exact copy of another sheep and the first cloned mammal.

different from

loned

Dolly the sheep

Its name is

Andi, the fi

rst genetica

lly modifie

d monkey.

Dog Snuppy

was created

by Korean an

d American s

cientists

Cloning is a way of making an exact _____ of another animal or plant.

What is Cloning? cop

y

What is the difference among them ?

Natural clone

Man-made cloneclone

Clone, also called reproduce asexually ( 无性生殖 / 繁殖 ), is the creation of cells or whole animals using DNA from a single “parent”, without using the normal reproductive ( 有性生殖 ) process. The clone has the exactly same DNA to the parent. It includes natural and man-made clone.

Prediction

What do you think the article is about by reading this headline?

What is the main idea of the passage?

The passage tells us that animal

cloning raisedraised __________ and

scientists are not sure about

its______.

arguments

future

What is the writing style?A. Expositive( 说明文 ) B. Descriptive （记叙文）C. Argumentative （议论文）

Skimming

___.Cloning has two major uses and successful clone.

___.Cloning is a way of making an exact copy of another animal and plant(definition)

___. The effect of Dolly.___. It is forbidden to clone human beings.___.The problems of Dolly.

12

3

45

Definition

2 major uses of cloning

Cloning procedureThe first

successful animal clone

It is a way of __________________ of another animal and plant.1)to produce ___________quantities quantities of plants .of plants . 2)It is valuable for research on new ______________and medical research on ________. Cloning plants ______________while cloning of animals is ___________The cloning of_______________, a _____________ in cloning tech.

making an exact copy

commercial

straightforward

breakthrough

plants speciesanimals

Dolly the sheepcomplicated

True of false :

1.Four female sheep participate in the cloning of a new sheep.

2.Electricity is needed in the procedure.

3.Sheep B provides a somatic cell for the clone.

4.The lamb is the exact copy of sheep A.

T

F

T

F

Which of the following statements about cloning is

NOT trueNOT true according to text?

A. Cloning is something that has been developed

quite recently.

B. Twins that look exactly the same are originally

from the same egg.

C. Cloning is used by gardeners to make more

money.

D. Animal cloning is much more difficult than

plant cloning.

The cloning of Dolly the sheep succeeded because____. A. its easier to clone a sheep than other animals B. the scientists were determined and worked

hard with patience C. the scientists were rewarded and got lots of money D. many other attempts to clone mammals failed

The determination and patience of the scientists was rewarded/ paid off.

The problems of Dolly the sheep

The effect of Dolly the sheep

• Encouraging news : It seemed to develop ________ and produced ______in a _______way.• Disturbing news:It lived for ____ years, half the length of the life of the _______ sheep.• Its appearance raised a storm of ________and had a great impact on the _____ and public___________.• It opened everybody’s eyes to the possibility of using cloning to cure _______________and even produce _____________.

objections

human beings

normallynatural

6original

imagination

serious illnesses

media

a lamb

Arguments on cloning

• Evil leaders hope to clone ___________.

• Religious leaders raised ________ questions.

• Many governments _______ research into human cloning.

• Some countries continued to ___________evidence of the abundant medical aid.

moral

forbade

themselves

accumulate

• Cloning is valuable for ________ research on animals. medical

Problems of cloning• Animal clones may develop the _______ of older animalsillnesses• Animal clones may die _______ than the original animals.younger• ___ _______may want to clone themselves.• There are_____ _________to cloning human beings.

Advantages of cloning

• Medical cloning could produce _____for serious illnesses in humans.

cures

• Cloning plants can produce large ________ of plants for ____.

quantities

• Cloning plants can be useful for research on ____ _____ _______.species

Evil leaders

plant

sale

moral

new

objections

We can conclude _______A. Cloning is good for us.

B. Cloning has two aspects.

C. If cloning is used in a correct way it can bring many convenience to us.

D. If cloning is used in an evil way it can cause much trouble.

We should use cloning in a wise way !

As a coin has two sides, everything has

two aspects. On one hand, if cloning is

used in a correct way it can bring many

convenience to us. On the other hand, if

cloning is used in an evil way it can

cause much trouble. Therefore, we

should use cloning in a correct way.

1. In pairs, look at these pictures and discuss wh

ich ones are natural clones and which ones are m

an-make. Explain how they differ.

1. differ vi. different, difference

她的方法跟我的没有很大不同。 Her method ____________________________.现代飞机跟早期的在很多方面有所不同。Modern airplanes _____________ early ones ____ many aspects.对于如何解决问题 , 我跟他的意见不一致。I _____________ how to solve the problem.

doesn’t differ much from mine.

differ from

differ with him

in

differ 是不及物动词 , 主要有两个义项：“不同 ,

相异；不同意 , 意见相左”。

1). sb. differ from/with sb. on/about sth.;

2). sth. and sth. differ in… ;

3). sth. differ from sth .

2. 这种现象也发生在动物身上，从同一个原生卵产生性别与外貌相同的双胞胎也是克隆。It also happens in animals when twins ______________________________ are produced from the same____________ .identical in sex and appearance

original egg3. 研究克隆的科学家们沮丧地发现多莉得的病更容易发生在年老的动物身上。Cloning scientists ____________________ that Dolly’s illnesses were more ______________ a much older animal.

were cast down to find

appropriate to不要这么沮丧 , 打起精神来！Don’t _______________. Just keep up your spirits.发现事情的真相使他很沮丧。 __________________________________

be so cast down

Finding out the truth cast him down.

undertake vt. 着手做 , 从事 , 进行 ; 担任 , 承担 , 答 应

科学家从事这项实验。

The scientist _________________________.

我愿意承担这些变革的责任。I can _____________________ for the changes.

那个律师接了一个新的案子。 The lawyer _____________________.

4. 这个过程很难实施。The procedure is difficult to undertake.

undertakes the experiment

undertake the responsibility

undertook a new case

5. 多莉看来是在正常地成长着，这事很令人鼓舞。 The fact ______ she seemed to develop normall

y was encouraging.

然后传来了多莉得了重病的令人烦恼的消息。 Then came the disturbing news ____ Dolly b

ecame seriously ill.

that

that

disturb vt. 扰乱 , 使不安 , 弄乱 ;disturbed adj. 被扰乱的 , 动乱的 , 不安的；disturbing adj. 令人不安的。

外面的噪音妨碍我睡觉。 The noise outside disturbed my sleep.

6. 多莉的出现引来了巨大的反对 , 激发了传媒的热炒和公众的想像力。

Dolly’s appearance ______________________ and _______________________ the mediamedia and public imagination.

raised a storm of objectionshad a great impact on

object v. objection n.

我极不愿意早起。 I feel a strong objection _________________. 你反对我打开窗子吗？Have you any objection _______________the window?

to getting up early

to my opening

object vi.

我反对这项计划。I object to the plan.

我们抗议这种待遇。We object to being treated like this.

object vt.

我提出反对意见 : 他太年轻不适合那个职位。I object that he is too young to take that

position.

object 作不及物动词时后接介词 to 或 against.

作及物动词时可接 that 引导的从句。 objection 是名词 , 常与 have, take, feel 等连 用构成词组： have objection to

take objection to

feel objection to

sth.

doing sth.

sb. to do sth.

sb. sth

that…

forbid

7. 政府开始感到不安 , 有许多政府禁止对克隆的研究。 Governments became _________and many _______________________ human clothing.

nervousforbade research into

forbid

forbad/ forbade

forbidden

2). The school ______________________

(禁止学生吸烟 ).

3) He is forbidden ___________________

( 进入这个房间 ).

forbids students to smoke

to enter the room

1). 公共场所应禁止吸烟。Smoking should be forbidden in public places.

8. 有些国家比如中国和英国继续收集克隆能提供丰富的医疗帮助的证据。

Some countries such as China and the UK continued to ___________________ of the ___________ medical aid that cloning could provide.

accumulate vt. Vi accumulation, accumulative

accumulate evidenceabundant

他因努力工作而积蓄了一笔财富。He __________________ by hard work.我不在期间灰尘积聚了起来。__________________ during my absence.

accumulated fortune

Dust accumulated

1.What problems may ____ when humans are cloned?

Dolly’s appearance _____ a storm of objections..

… and religious leaders ______ moral questions.

arise

raised

raised

2. Cloning plants is straightforward ____ the cloning of animals is more complicated. The procedure is difficult _______________. At first it was not accurate enough and many attempts ________________ failed.

but

to undertake

to clone mammals

3. Female sheep B _________ a somatic cell ____ the clone. The nucleus of this cell contains all the genes _______(need) to

produce a new sheep.

4. The nucleus from sheep B and the egg cell from sheep A are joined ________ (use) electricity.

5. Then ______ the disturbing news that Dolly had become seriously ill.

provides for

came

needed

using

6. _________ her problems, Dolly successfully produced a lamb in a natural birth.

7.It suddenly opened everybody’s eyes to the possibility of ______ cloning to

cure serious illnesses, and even ____________ human beings.

Despite

using

producing

1 In many respects natural clones _______ greatly from man-made clones.

2 He was much ____________ by the failure of his cloning experiment.

3 Dust had ____________ during the years when the house was deserted.

4 Robert suggested that I should __________ the job of decorating the ceiling of the hall.

5 Her memory is ______, and she seldom goes wrong.6 She wasn't _________ pleased with her decision, but

she had no other choice

differ

cast down

accumulated

undertake

exactaltogetheraltogether

1 Compared with her brother, she is so honest about her opinions

2 The decisions of the factory leaders that had been made without any reason caused anger among the workers.

straightforward

arbitrary

3 Is your new factory in the business area of Beijing?

4 Do you support the government's plan to build more railway lines?

5 This is the way we arrange for you to have your teeth out.

commercial

Are you in favour of

procedure

6 I don't agree to your plan because it will cost too much money.

7 Your mother and I will not allow you to stay out so late when you have homework to do.

I object

will forbid

When Freddy the frog grew older he wanted to _______ cloning so that his musical career could continue. The doctor explained that cloning was a __________ question that he should consider seriously. So Freddy asked his friends and noted with _________ that they agreed with him. However, shortly after he did some research, he felt ____________when he discovered the fate of the _____________clone,

3

undertake

controversial

satisfaction

cast downbreakthrough

Dolly the sheep. The dream that one could live forever now seemed impossible. So Freddy made up his mind to enjoy his singing and __________ many happy experiences so that when he retiredretired he would be able to look back on his life with great pleasure.

accumulate

1 What is your point of view about human cloning?

2 How can you prove a clone is autheauthenticntic?

3 How do gardeners benefit from cloning?

4

C

F

D

4 How differently do people think of the cloning of plants and that of animals?

5 What was the breakthrough in the history of cloning?

6 Why do some people object to human cloning?

E

B

A

Cloning is a way of making an (1)_______ copy of another animal and plant. (2)___________ (clone) plants is straightforward but the cloning of animals is more difficult (3)__________ (undertake). The fact (4)__________ the cloned sheep Dolly seemed to develop normally was very encouraging. But cloning scientists (5)________________ (cast down) to find that she became

exactexact

CloningCloning

to undertaketo undertake

thatthat

were cast downwere cast down

seriously ill and the illnesses were more (6)____________ ( 适合的 ) to a much older animal. On the other hand, Dolly’s appearance raised a storm of (7)__________ (object) and had a great impact (8)_______ the media and public imagination. The research (9)_______ human cloning of human beings is specifically (10)___________ (forbid) by law in most parts of the world.

appropriateappropriate

objectionsobjectionson/ overon/ over

intointo

forbiddenforbidden

4. 为什么有些人反对克隆人类？Why do some people _______ human clonin

g? 5. 她后来得了严重的肺病的问题让科学家们很烦恼。

The problem that she later____________ a serious lung disease __________ scientists.

6. 多莉的死，正如她的出生一样，必将引发人们的担心。Dolly’s death, like her birth, ______________

___________.

object toobject to

developeddevelopedbotheredbothered

was bound to raise worrieswas bound to raise worries

1．作者的观点是赞成还是反对克隆？ Is the writer’s point of view __ _______ __

cloning or against it?

2. 做了一些研究以后没多久，当他发现取得了突破性成功的克隆物多莉羊的命运时，觉得很沮丧。

_______ after he did some research, he felt _____________ when he discovered the ____ of the breakthroughbreakthrough clone, Dolly the sheep.

3. 这两个字的字义完全一样。The two words are __________ meaning.

in favor ofin favor of

ShortlyShortlycast downcast down fatefate

identical inidentical in

7. 科学家相信克隆人类只是时间问题， 不过克隆人是否已诞生的设想还未得到证实。 Scientists believe human cloning is just just ________________ but the ____________ that human clones have already been born hasn’t been proved yet.

8. 他赞同工厂女工五十岁退休的规定。 He agrees to the __________ that women workers ________ at 50 in the factory.

a matter of timea matter of time assumptionassumption

regulationregulationretireretire

9. 克隆凶猛和灭绝的野生动物的可能性一直使电影制片商感到兴奋。 The possibility ______________________ has always excited film makers.

10. 要想克隆灭绝动物，我们还有很长的路程要走。 We are ______________________ able to clone extinct animals.

of cloning fierce and extinct of cloning fierce and extinct wild animalswild animals

a long way from beinga long way from being

We are far from being able to clone extinct animals.

11. 不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物 ( 如恐龙 )复活。 ________________ people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly ____________________ through cloning.

12.另外一些能存活下来并且把这种抗病能力传给下一代。 Others will survive and _______ the ability ___________ that disease to their children.

From time to timeFrom time to time

be brought back to lifebe brought back to life

pass on pass on

to to resistresist

13. 就我们现在所知，你不可能克隆那些已经绝种了一万年以上的动物。 _________________ we know now, yo

u cannot clone animals that have been

extinct longer than 10,000 years.

Based on whatBased on what

As far as As far as

The writer of the text_____The writer of the text_____

A.is excited by the possibility of cloning

fierce and extinct animals

B. believes that extinct animals can be

brought back to life by cloning

C. thinks it impossible or unsuitable to

clone extinct animals like dinosaurs

D. dreams of dinosaurs returning to the

earth

2. We can infer from the text that____

A.scientists are experimenting to clone

dinosaurs

B. dinosaurs will never return to the earth

C. cloned animals will only live in the zoo

D. the DNA of dinosaurs can only survive

10 000 year

1.Why should’t you clone an extinct extinct animal unless there is enough diversitydiversity in the group?

There will not be enough genetic variation in the group to be able to resist new illnesses.

2. Why is it wrong to clone an extinct animal if it would have to live in a zoo?

It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitathabitat to develop and increase its numbers.The zoo is not a natural environment for a wild animal.

3. Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years?

The DNA of animals more than 10,000 years old is not suitable for cloning ,for it can’t survive so long.

一、单词拼写1.The brothers d_________ widely inin their

tastes.

2. The question is quite s______________ , whiwhi

lele that one is much more complicated.

3. It is quite d_________ to hear the bad news.

4. Smoking is f__________ in public places.

5. His suggestion sounds quite r__________ to

most of us.

iffer iffer

traightforwardtraightforward

isturbingisturbing

orbiddenorbidden

easonable easonable

6. The film was a _________ ( 商业的 )succes

s.

7. I’d like to come, too, if you have no ______

( 反对 ).

8. He ___________ ( 仅仅 )asked us our name

s.

9. There were strong ____________ ( 争论 ) fo

r and against the plan.

10. He always managed to __________( 得到 )

what he wanted.

commercialcommercialobjection objection

merelymerely/ just/ just

argumentsarguments

obtain obtain

二、句型转换11.At the beginning, he was against my proposal.

However, in the end, he was for it.

At first he disagreed with my suggestion , but

at last he was ___ _____ __ it.

12. Later they learnt that an earthquake had

taken place in that area.

Then _____ ___ ____ that the area had

been hit by an earthquake.

in favor ofin favor of

came the newscame the news

13. Although he was not strong, he

joined in the work.

_______ ___ weakness, he took part

in the work.

14.We are still far from being able to

clone extinct animals.

We are still ___ ____ ___ from being

able to clone extinct animals.

Despite his Despite his

a long way a long way

15.They don’t know if the new policy is in their favor. They ________ _________ this new policy can bring benefit to them.

16.Have you any objection to my opening the window? Would you ______ ____ my opening the window?

wonder if/ whether wonder if/ whether

object to object to

1.使沮丧 ___________________

2.反对 ______________________

3.赞成 ; 支持 ________________

4.一定 ; 注定 ( 做 )_____________

5.不时 ; 偶尔 ________________

6.使复生 ___________________

7.偿清 ; 取得成功 ____________

8.一直 ; 总是 ________________

cast down cast down object to/ have objection to object to/ have objection to

in favor ofin favor of

be bound to dobe bound to do

from time to time from time to time

bring … back to life bring … back to life

pay offpay offall the timeall the time

9.另一方面 __________________

10.引起道德问题 ______________

11.对…产生巨大影响 ______________

12.一阵强烈的反对 ________________

13.医疗救助 __________________

14.在 20世纪 50 年代 ______________

15.生产 ; 产出 _______________

16.科学突破 __________________

on the other hand/ at the on the other hand/ at the same time same time

raise moral questionsraise moral questions

have a great impact onhave a great impact on

a storm of objectiona storm of objectionmedical aid medical aid

in the 1950sin the 1950s

give birth to give birth to

a scientific breakthrough a scientific breakthrough

17.自然生产方式 _______________

18.禁止人类克隆 ________________

19.抵制做某事 __________________

20.承担一个项目 ________________

21.适合于 _______________________

in a natural birth in a natural birth

forbid human cloning forbid human cloning

resist doing sth resist doing sth

undertake a project undertake a project

appropriate toappropriate to

1. .He quickly_________________________

最近积蓄了很多有关克隆方面的知识 (accumulate)

2. He is not a man ______________________. 他不是那种会被失败击垮的人。 (cast dow

n)

3． The _________________ of the factory owners caused anger among the workers.工厂主们随意的 /霸道的决定在工人中引起了愤怒。

accumulated much accumulated much knowledge about cloningknowledge about cloning

to be cast down by failureto be cast down by failure

arbitrary decisionarbitrary decision

4． The score was 80 to 78 ____________ the guest team. 比分是 80比 78 ，客队获胜。

5. The weather _____________________ tomorrow.明天天气一定会变好。

6. My uncle comes to have dinner with us ______________________________ .( 有时 )

7. Finally his efforts _________________ . ( 有了回报 )

in favor ofin favor of

is bound to clear upis bound to clear up

from time to time/ now and then/ from time to time/ now and then/ at timesat times

paid off/ paid off/

was rewardedwas rewarded

8. 我的意见和他的相同 .

Our opinion ______________________ his.

9. 我们双方对应当怎么办的看法是一致的 .

We are _____________________ each oth

er about what to do.

10. 普通鞋不适于下稻田 . Ordinary shoes a

re not __________________ the rice field.

differs from / is differs from / is different fromdifferent from

identical withidentical with

appropriate toappropriate to

11. 他的缺席引起了人们对他安全的 担心 . His absence ________________ about him.

12. 这本书对其读者产生了巨大的影响 . The book ______________________ readers.

raised worriesraised worries

had a great impact onhad a great impact on