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Revision Revision 1.1. 与…不同与…不同
2. 2. 使沮丧使沮丧
3. 3. 适合于…的适合于…的
4.4. 在另一方面在另一方面
5.5. …对 产生巨大的影响…对 产生巨大的影响
6.6. 支持支持 , , 赞成；有利于赞成；有利于
7.7. …反对…反对
differ fromdiffer fromcast down cast down be appropriate tobe appropriate toon the other handon the other hand have a great impact onhave a great impact on in favour ofin favour ofobject toobject to
Do you think it possible for people to Do you think it possible for people to
clone a dinosaur ? Why ?clone a dinosaur ? Why ?
1.1. The writer of the text_____ The writer of the text_____ A. is excited by the possibility of A. is excited by the possibility of
cloning fierce and extinct animals. cloning fierce and extinct animals. B. believes that extinct animals can be B. believes that extinct animals can be brought back to life by cloning.brought back to life by cloning. C. thinks it impossible or unsuitable C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs .to clone extinct animals like dinosaurs . D. dreams of dinosaurs D. dreams of dinosaurs returning to the earth.returning to the earth.
2. The film Jurassic Park is popular because__2. The film Jurassic Park is popular because___. A. people are in_. A. people are interested in the subject terested in the subject
of cloning of cloning B. all the actors are dinosaurs B. all the actors are dinosaurs
C. it was directed by a scientist C. it was directed by a scientist who clones dinosaurswho clones dinosaurs D. it proves very interestingD. it proves very interesting
3.Which of the following is true?____3.Which of the following is true?____
A. Mice were cloned in 1981.A. Mice were cloned in 1981.
B. Dolly the sheep was the first cloned B. Dolly the sheep was the first cloned
animal.animal.
C. The name of the cloned cow is “Bison”C. The name of the cloned cow is “Bison”
D. China was successful D. China was successful
in cloning mammals.in cloning mammals.
4. The reasons why a group of cloned animals all d4. The reasons why a group of cloned animals all die of the same illness do NOT include____. ie of the same illness do NOT include____.
A. they have the same arrangement of genes A. they have the same arrangement of genes
B. there isn’t enough diversity in the group B. there isn’t enough diversity in the group for it to overcome illnessesfor it to overcome illnesses C. the illness is a new oneC. the illness is a new one D. their arrangement of genes can not resist that D. their arrangement of genes can not resist that
new diseasenew disease
5. We can infer from the text that____ 5. We can infer from the text that____
A. scientists are experimenting A. scientists are experimenting
to clone dinosaursto clone dinosaurs
B. dinosaurs will never return to the earthB. dinosaurs will never return to the earth
C. cloned animals will only live in the zooC. cloned animals will only live in the zoo
D. the DNA of dinosaurs can only survive D. the DNA of dinosaurs can only survive
10 000 year10 000 year
1.Why shouldn`t you clone an ex1.Why shouldn`t you clone an extinct animal if there isn`t ecotinct animal if there isn`t ecough diversity in the group? ugh diversity in the group?
2.Why can`t you clone the DNA o2.Why can`t you clone the DNA of animals that have been extinf animals that have been extinct longer than 10,000 years? ct longer than 10,000 years?
3.Why is it wrong to clone an ext3.Why is it wrong to clone an extinct animal if it would have to linct animal if it would have to liveive
in a zoo? in a zoo?
ReadingReading
1.Why shouldn’t you clone an e1.Why shouldn’t you clone an extinct animal if there isn’t ecxtinct animal if there isn’t ecough diversity in the group? ough diversity in the group?
There will not be enough genetiThere will not be enough genetic variation in the group to be ac variation in the group to be able to resist new illnessesble to resist new illnesses
2.Why can’t you clone the DNA 2.Why can’t you clone the DNA of animals that have been extiof animals that have been extinct longer than 10,000 years?nct longer than 10,000 years?
The DNA of animals more thaThe DNA of animals more than 10,000 years old is not suitabn 10,000 years old is not suitable for cloning, for it can`t survile for cloning, for it can`t survive so long.ve so long.
3. Why is it wrong to clone an ex3. Why is it wrong to clone an extinct animal tinct animal
if it would have to lif it would have to live in a zoo?ive in a zoo?
It is not a good idea to clone an It is not a good idea to clone an animal that would have to live animal that would have to live in a zoo because it is not a suitin a zoo because it is not a suitable habitat to develop and incable habitat to develop and incresae its numbers. The zoo is nresae its numbers. The zoo is not a natural environment for a ot a natural environment for a wild animal.wild animal.
Useful ExpressionsUseful Expressions1.1. 根据…根据… ,, 以…为基础以…为基础2.2. 普通老百姓普通老百姓3.3. 进行实验进行实验4. 4. 生出生出5.5. 不时，偶尔不时，偶尔6.6. 使恢复生气使恢复生气7.7. 把…传给…把…传给…8. 8. 过自然生活过自然生活
base… on / be based base… on / be based onon
ordinary peopleordinary people experiment withexperiment with give birth togive birth to from time to timefrom time to time pass on … to…pass on … to… bring back to life bring back to life lead a natrual life lead a natrual life
Dodo bird (1755)
Great Auk (1Great Auk (1844)844)
Auroch (1627)Quagga (1883)
Which of them is worth restoring Which of them is worth restoring by means of cloning ?by means of cloning ?
Agreement
That`s a good / great idea.
I support…because…
I agree with … because…
Your argument has convinced me because…
Your ideas sound very encouraging to me.
Disagreement
I would like to agree with you but…
I cannot accept your argement because…
How can you believe that?
No, that`s not reasonable because…
I agree that the clone technology should be used. It would be wonderful if…
I don’t agree the clone technology should be used. It would be bad for… if …
Write a paragraph showing Write a paragraph showing your opinion about cloningyour opinion about cloning
Key sentence structures
Homework
1. The popularity of the film Jurassic
Park, in which a scientist clones sev
eral different kinds of extinct dinos
aurs, proves how interested ordina
ry people are in the subject.
长句难句
电影《侏罗纪公园》的欢迎证实了普通人对这一话题是多么感兴趣 ,
在该电影中一位科学家克隆了几种不同的恐龙。 in which 引导定语从句 , how 引导宾语从句。
2. From time to time people suggest that
the animals that have disappeared fr
om the earth, like dinosaurs, can poss
ibly be brought back to life through c
loning.
人们时常设想从地球上消失的动物 ,
例如恐龙 , 有可能通过克隆技术使它们复活。
from time to time 有时 , 间或 , 偶尔 ,
= occasionally , now and then 。3. It is useless to clone an animal if the
re is not enough diversity in the gro
up for it to overcome illnesses.
该群中如果没有足够的多样性使它克服疾病 , 克隆动物就没有用。
当动词不定式、动名词或从句作主语时 , 通常把它们放在谓语之后 , 而用 it
作句子的形式主语。
4. Diversity in a group means having an
imals with their genes arranged in dif
ferent ways.
群中的多样性指的是拥有基因排列方式不同的动物。
with their genes arranged in different
ways 作定语 ,in different ways 以不同的方式。
5. ...but others will survive and pass o
n the ability to resist that disease to
their children.
...... 其他的将存活下来并传递给其后代抵抗这种病的能力。
resist 作及物动词主要有三个义项 :
抵抗 , 对抗 ;
抵挡 , 防止 ;
( 与 cannot, could not 连用 ) 无法抗拒 , 无法抵挡。
base on/upon 以……为基础 , 依据其结构为 :base sth. on/upon
sth. is based on/upon
6. Based on what we know now, you ca
n not clone animals that have been e
xtinct longer than 10000 years.
据我们现在所知 , 绝种一万年以上的动物不能克隆。
Language PointsLanguage Points1. 1. cast downcast down:: 使沮丧使沮丧 ; ; 毁掉毁掉 Finding out the truth made him ~.Finding out the truth made him ~. Don’t be so ~. Just keep up your Don’t be so ~. Just keep up your
spirits.spirits.2. 2. differ from :differ from : A + ~ + B A + ~ + B
Her method doesn’t differ much Her method doesn’t differ much from mine. from mine.
Chinese differs greatly from JapaChinese differs greatly from Japanese nese
in pronunciatiin pronunciation. on.
differ from / with sb. on / about differ from / with sb. on / about / over sth./ over sth.
We different from/ with them on We different from/ with them on / about / about
that question. that question. (be differe(be different from)nt from)
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