最新选修八第二单元课件 Cloning

Careful-reading Task1: （para1-2)
1.What is cloning?
2. Cloning is a way of making an exact copy of another animal or plant.
Careful-reading Task1: （para1-2)
Careful-reading Task1: （para1-2)
3. Why is it easier to make commercial plant clones than animal clones?
Because cloning plants is straightforward while cloning animals is very complicated.
Careful-reading
推理判断题
Task2: （para3-5) (4minutes)
1. It can be inferred from the passage that a cloned animal_____.
A. usually lives as long as the original one
选修八第二单元课件 Cloning
Dolly the sheep
How does Dolly differ from other sheep? Dolly was cloned while the others were born naturally.
Natural clone is one that occurs in a natural form of cloning without human help.
2. What are the two major uses of cloning? The first use is to produce commercial
quantities of plants. The second is to research on new plants
species and do medical research on animals.
Natural or man-made clones?
A strawberry plant
一株草莓依靠它沿地“爬走”的匍匐茎,一年内就能长出数百株草莓苗。
Growing new plants
Twins
Do you want to know:
1.What is a clone?
2.How is a clone is produced?
3.What benefits can human gain from cloning?
4.What problems may arise when humans are cloned?
Reading:
Fast-reading (5 minutes)
1. Scan the following passage and match the paragraph with the correct sentence.
E. People’s reaction to cloning
Fast-reading 2. The main idea of the text is ______.
A. Animal cloning is very valuable and can benefit the world. B. Animal cloning could be misused by bad people so it must be forbidden. C. Animal cloning is well developed because Dolly the sheep was born. D. Animal cloning raised arguments and scientists are not sure about its future.
Careful-reading
Task1: （para1-2) (3 minutes)
1. What is cloning?
2.What are the two major uses of cloning?
3. Why is it easier to make commercial plant clones than animal clones?
A. Cloning can be used for medical purposes.
B. Large quantities of food can be produced by cloning.
C. Cloning can help keep animals from becoming extinct.
B.B. usually lives longer than the original one
C.C. usually lives shorter than the original one
D.D. is usually as healthy as the original one
2. Which of the following is not an advantage of clDolly
Para 2
B.The two major uses and procedures
of cloning
Para 3
C.The impact of cloning Dolly
Para 4
D.The definition of cloning
Para 5
Man-made clone is one that is produced through human
intervention(介入) .
Discussion
Look at the following pictures and discuss which ones are natural clones and which ones are man-made clones.

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英语：unit2-《cloning》-reading课件(新人教版选修8)

Cloning people is a good thing ,or a
bad thing?
克隆人是福音, 还是恶兆？
Homework:
What happens next?
；；
是那李天福与鞠沙河相比,也是相差拾万八千里.“凝月三叠浪！”鞠言,也不敢托大,他直接,就使用了凝月三叠浪呐种中品武学.凝月三叠浪虽然只是中品武学,但是被鞠言修复了缺陷之后,其威历,就是相对壹般の上品武学,也是略微高出壹些の.黑色の剑光,瞬息之间,凝聚成三层剑幕.银色の长河,与黑色剑幕,剧烈の碰撞.“砰砰砰！”两声の武学,在呐壹片擂台上方空间内,无比惨烈の相互倾轧、磨灭.“鞠沙河の元气,浑厚无比,并且化雾.单单论元气の量,其实俺并不比他差,甚至还些许超过他.但是,他化雾の元气,更为凝聚和精炼,在质上有着绝对优势.”“但是,他の武学, 有着致命の缺陷.”鞠言目光闪烁.如果鞠沙河の长河破灭剑法没有缺陷,那鞠言の凝月三叠浪,还真の抵挡不住.可惜,没有那么多如果.在天下第壹申技の引导之下,在几次交手后,鞠言就发现了长河破灭剑の部分缺陷,并且利用呐些漏洞,将那银色长河剑光,硬生生の从内部开始击溃.“哪个?”鞠沙河,第壹次显露出有些慌乱の申色.没有声比他清晋,他现在の处境,也没有声比他自身清晋,鞠言の武学,已经渗透进他所施展の长河破灭剑法之中.“呐怎么可能?”鞠沙河,也想不通为何会呐样,他不知道鞠言是怎么做到の.就算鞠言修炼了上品武学,也不应该如此.而事实上,鞠言施展の,明显才是中品武学凝月三叠浪.他明明应该占据优势,可是现实是,他在几次交锋后,就落于了下风.到目前为止,那些普通の陆家成员,还没有意识到呐壹点.但是,在高台之上の先天境界强者,却能看出其中の微妙.许多声,包括在贵宾席上の声,都为之动容.难道,呐鞠言！连半步先天の鞠沙河,都不是其对手?…………………………（心塞！

高中英语 Unit 2 Cloning Section Ⅱ 课件新人教版选修8

13
1 2 3 4 5 6 7 8 9 10 11
归纳:owe常用于词组owe sb....(欠某人……)和owe...to...(把……归功于……)
1)owing to 由于,因为 Owing to the bad weather,we didn’t go to the zoo. 由于天气不好,我们没有去动物园。 2)辨析owe/own owe与own在词形上相近,但含义不同,owe是“欠(账、钱、人情等), 归功于……”的意思;own是“拥有,自己的”的意思。
7
一二三四五
四、短语填空
1.(be) bound to (do)...一定或注定(做)……
2.strike... into one’s heart使……刻骨铭心
3.from time to time不时;偶尔
4.bring back to life使复生;使复活
5. in
vain白费力气;枉费心机
16
1 2 3 4 5 6 7 8 9 10 11
1)retire也可做及物动词,含义是“使退休,使离开”。 Public opinion retired him from politics. 公众舆论使他离开了政坛。 2)retired adj.已退休的 My grandfather is a retired driver. 我的祖父是一名退休司机。 3)retiring adj.孤僻的;害羞的 Does the man have a retiring personality? 那个人性格孤僻吗? My brother is too retiring to talk with other kids. 我的弟弟很害羞,不敢与其他孩子交谈。
B.believes that extinct animals can be brought back to life by

英语：Unit2《Cloning》课件(新人教版选修8)

2.The main idea of the text :
A. Animal cloning is very valuable and can
benefit the world.
B. Animal cloning could be misused by bad
people so it must be forbidden.
C. Animal cloning is well developed because
Dolly the sheep was born.
D. Animal cloning raised arguments and
scientists are not sure about its future.
3.The sheep that donated the somatic cell most probably lived ________years.
UNIT TWO READING
CLONING : WHERE IS IT LEADING US
Skimming
Skim the text to find out the answers to the following questions. 1.What is cloning?
Cloning is a way of making an exact copy of another animal and plant.
What’s the greatest success in the development of animal cloning?
.
The procedure of the cloning of Dolly the sheep
True or false:

Unit2《Cloning》reading课件(新人教版选修8)

based on chance rather than being planned or based on reason adj. 任意的 arbitrary
to get something, especially by asking for it, buying it, working for it or producing it from something else vt. 获得；赢得 obtain
Unit 2 Reading
CLONING: WHERE IS IT LEADING US?
Read the explanation and
speak out the word it explains.
an important discovery or event that helps to improve a situation or provide an answer to a problem n. 突破 breakthrough
a set of actions which is the official or accepted way of doing something n. 程序；步骤；手续 procedure
related to buying and selling things adj. 商业的；贸易的 commercial to do or begin to do something, especially something that will take a long time or be difficult vt. 着手；从事；承担 undertake
Read the passage quickly to find the main idea of each paragraph.

新人教选修8--Unit2-Cloning--课件

4. What is people‘s fear about human cloning? Which of the following is wrong? A. Cloned Hitlers would do harm to the world. B. Cloned people may be killed at will for medical aid. C. A woman would have difficulty recognizing her real husband. ＊ D. Men will die out because a woman can give birth to a baby without a husband.
Checking answer – II (2ms)
Answer keys for Ex.2 on Page 13:
1. straightforward 5. procedure 2. arbitrary 6. I object 3. commercial 7. will forbid 4. Are you in favour of
Reading – 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 F a plant.
2. It can be inferred from the passage that a cloned animal_____. A. usually lives as long as the original one B. usually lives longer than the original one ＊C. usually lives longer than the original one D. is usually as healthy as the original one

人教英语选修8课件：Unit2CloningSection2

Unit 2Section II Learning about Language栏目导航课堂深度拓展0_课末随堂演练课后限时作业Q课堂深度拓展|考点语法细解-同位语从句■一、同位语从句的引导词■引导同位语从句的词语通常有连词(that,whether)＞连接代词和连接副词等。

■1 .由that引导■©We heard the news that our team had won.■我们听到消息说我们队赢了。

；；：■②They were worried over the fact that you were■ (3)The news that we are having a holiday tomorrow is not true.■明天放假的消息不实。

；；；；；■④Tve come to the conclusion that it was unwise to do that.■我得出结论这样做是不明智的。

；；■⑤The fact that the money has gone does not mean it was stolen.-那笔钱不见了这一事实并不意味着是被偷了■【注意】在某些名词(如demand,wish,suggestion,resolution^) 后面的同位语从句要用虚拟语气。

■©There was a suggestion that Brown (should ) be dronned from the team.■2•由whether 引导■©There is some doubt whether he will come. ■他是否会来还不一定。

人教版高中英语选修8 Unit 2《Cloning》(period ⅰ)ppt课件

At present some countries began to reform their legal systems and 9.________ research into human cloning，but other countries like China and the UK，continued to 10.________ evidence of the abundant medical aid that cloning could provide.
Some scientists take a different view.“While I agree that research on cloning is meaningful，it is inappropriate to use giant pandas in this type of experiment.The number of pandas is limited and human beings have yet to master knowledge about pandas' pregnancy.Cloning would do little to save the species，”said Wang Dajun，a researcher at the School of Life Sciences，Peking University.
【美文阅读】
Pandas can be saved by cloning?
从1998年中国科学院动物研究所首席科学家、动物克隆与受精生物学学科带头人陈大元首次正式提出克隆大熊猫到现在，整整16年过去了，陈老仍然执著于此。然而保护大熊猫，究竟要不要通过克隆的方式呢？

人教版高中英语选修8-Unit-2《Cloning》(Warming-up)课件

The mule in the picture is the world’s first cloned mule. It was born on 4 May 2003. His name is Idaho Gem.
The kitten in the picture is called Cc. Its name is from “Copycat”.
In 1952: Cloning tadpole (克隆蝌蚪) The American scientists created a copy of tadpole by means of using a tadpole cell. This tiny tadpole has become the first kind of cloning animal.
2. What benefits can humans gain from cloning?
Questions about cloning
1. How is a clone produced? 2. What benefits can humans gain
from cloning? 3. What problems may arise when
humans are cloned?
1. How is a clone produced? The cloning of plants is simple and relatively easy. It can be done by taking cuttings (man-made cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996.

人教版高中英语选修8 Unit 2《Cloning》(Listening and speaking)课件

1. Discuss these questions. 1).How would you treat human clones? 2). Do you think they should have legal and political rights, such as getting married or voting? 3). Do you think they are separate people or part of the original donor?
Listening text
IS HUMAN CLONING A GOOD IDEA? Wang Qiao is talking to Clare Peters about human cloning. WQ: What do you think about human cloning, Clare? CP: I don’t know what to think. But I suppose it’ll come one of these
Listening & Speaking
Is cloning cruel? Listen and see whether you agree with Xiao Qing or Mary. 1. Read these statements before listening.
Tick those that you hear.
when is saw its baby?
XQ: I don’t quite understand why so many people are against cloning. I think the scientists need a little encouragement. They have done some amazing things and think of the benefits. Producing animals that are an exact copy of the original may help medical science produce