课件74张PPT。Unit 3
Science and nature
Reading
ObjectivesTo get a further understanding about cloning
To learn to understand scientific terms in scientific articles
To learn the words and expressions in this unitWords:
clone, tissue, real-life, intention
exact, anxiety, adopt, saleswoman
legal, physician, harvest, consequence
Expressions:
on the one hand … on the other hand
toy with, push ahead with, for sale
point out, deal withFocus onRead the explanation and speak out the word it explains.a plant or animal that has the same genes as the original from which it was produced
a group of connected cells in an animal or plant that are similar to each other, have the same purpose and form the stated part of the animal or plant; soft paper which is used for cleaningclonen. & vt. 克隆n. 组织,纸巾tissuein great detail, or complete, correct, or true in every way
the smallest basic unit of a plant or animal
any animal of which the female gives birth to babies, not eggs, and feeds them on milk from her own bodyexactadj. 精确的,准确的celln. 细胞n. 哺乳动物mammalsth. that you want and plan to do
an uncomfortable feeling or nervousness or worry about sth. that is happening or might happen in the future
to take another person’s child into your own family and look after him or her as your own child; to start to use a particular method or plann. 意图,目的,企图n. 忧虑intentionanxietyvt. 收养,采用adoptallowed by the law
a medical doctor, esp who has general skill and is not a surgeon
an animal which is related to sheep, which usually has horns
a result of a particular action or situation
to pick and collect crops, or to collect plants, animals or fish to eatadj. 合法的n. 医师legalphysiciann. 山羊goatn. 结果,后果consequencev. 收获harvestto change completely the appearance or character of sth or sb, esp so that they are improved
a principle or idea
illegal activities; an illegal act; an unacceptable or very silly act or situation
describes someone who has the same job or interests as you, or is in the same situation as you vt. 使改变形态transformconceptn.概念,观念crimen. 罪,罪行fellown. 男子,家伙;同事,同类Dolly Lead-inclone Brainstorming gene geneticcell embryoorgansheepmammaltissuestem cellbiology She is against human cloning.Read the text and answer the following
questions.
What is cloning?
Cloning is producing an exact copy of a plant
or an animal using its cells.
2. What was the name of the first cloned
mammal?
3. Is Pauline Carter for or against human
cloning?Dolly Listen to the text and find out the main idea of each paragraph. Para 1
Para 2
Para 3An announcement about the first cloned human embryo caused much debate.The first cloned mammal was Dolly. Ian Wilmut is shocked that some scientists are considering cloning human beings.Para 4
Para 5
Para 6A woman wants to have a cloned baby.Cloning human embryos is illegal in many countries, but some scientists still want to clone human beings.Chinese scientists continue to research ways in which cloning can benefit mankind. 1. People all over the world are happy about the idea of cloning human beings.
2. Dolly, the first cloned mammal, is exactly the same as other sheep.
3. According to the article, the scientist who created Dolly does not agree with cloning human beings.
FFTRead the sentences below and decide which ones are true (T) and which ones are false (F)
4. Cloning can be used to cure diseases because it can produce new tissues and organs.
5. Colin Jake is against cloning humans, just like Pauline Carter.
6. Cloning human beings is illegal in many countries, so no scientists want to clone human beings.TFFFind the reasons why people are for or against cloning in the article and letters and write them down. Reading comprehension:1.The announcement of successful human
embryo cloning has caused much debate
because________.
people still have no clear idea about the
results of human cloning
B. valuable tissues and organs can be used to
save humans
C. mankind is going to produce terrible
monsters
D. people know that nature will punish
mankind for human cloningA2.The success of the cloned sheep Dolly has proved that_________.
cloning will create more diseases in animal world
B. cloned animals will die at a much younger age than normal
C. man has been able to produce an exact copy from an adult cell
D. man can interfere with nature at his willC3. 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.D4. How does a woman who cannot give a birth benefit from cloning?_____
She can have a baby by using another woman’s egg.
B. She can have a baby genetically related to her.
C. She can adopt someone else’s child by cloning.
D. She can have more children.B5. What can we infer from the whole passage?
_____
Cloning animals is illegal in Italy.
Chinese scientists are trying to benefit
mankind by using cloning technology.
C. Chinese scientists want to be the first to
clone a human baby.
D. Colin Jake agrees with the scientists who
don’t want to clone a human baby.BReading strategy
Go through the reading strategy, and
find out how to work out the meaning of these scientific terms.Match the words with their correct meanings.1. completely change something so that it is better
2. become the parent of somebody else’s
child
3. The result of something that has happenedtissue intention anxiety adopt consequence harvest transformconsequence transformadopt5. cut and gather a crop
6. The state of feeling nervous and
worried
7. What someone plans to do 4. The material that makes up different parts of the body tissue intentionanxietyharvest Part ECheck the answersE 1 physician 2 cell 3 toy with
4 pushing ahead with 5 after all
6 exact 7 real life 8 legalLanguage points1. On the one hand, some scientists point out that if you clone an embryo, you can produce valuable human tissues—such as bone or lung tissue—that could be used to save human lives. On the other hand, many people…
本句是个主从复合句,point out (指出)是谓语,在其后that引导宾语从句;if引导条件状语从句,两个破折号中间的部分是插入语,that could be used to save human lives是定语从句,修饰先行词human tissues。on (the) one hand … on the other hand…:
used when you are comparing two different facts or two opposite ways of thinking about a situation
一方面……另一方面……
I don’t want to go travelling. On one hand, I have no time; on the other hand, I have no money.
我不想去旅行,一方面我没有时间,另一方面我没有钱。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。有关hand的常用搭配:give sb. a hand
lend (sb.) a handat hand
in hand
by hand
hand in
hand out
hand over
hand down在手边,近便;临近用手的,亲自的上交分发 移 交传下去手头上帮助某人practice 请将下列句子翻译成英语。 一方面我想把房子卖掉,但另一方面我又不愿意搬家。
One the one hand I want to sell the house, but on the other hand I can’t bear the thought of moving.2. If mankind toys with nature in this way, we
may be on our way to producing a real-life
Frankenstin’s monster.
toy with:
1) to think about sth for a short time and
not seriously (不认真地)考虑
I’ve been toying with the idea of going to Japan to visit them.
我一直想着要去日本探访他们,只是从来没有认真地想过。 2) to play with an object, often when you’re
thinking sth. else 摆弄,戏弄
She toyed with her coffee cup.
她摆弄着自己的咖啡杯。表示时间“临近”的短语:be approaching, be coming
be on the way, be at hand
be around the corner on one’s/the way to (doing) sth.
正在做某事的过程中 他离成为一个导演不远了。
He is on his way to becoming a director.
期终考试就要临近了,因此他学习更加刻苦了。
The final examination is on the way, so he is working harder. 易混淆way介词短语:by the way
in the way
in the family way
in this/that way
in many ways
in a way 顺便问一 下妨碍,挡 道怀 孕以这/那种方 式在许多方 面在某种意义上 说practice 请将下列句子翻译成英语。1. 我确实稍稍有过定居法国的念头。
I did briefly toy with the idea of living in France.
2. 他一直精神紧张滴摆弄着钢笔。
He kept toying nervously with his pen.3. The first mammal to be cloned successfully
from an adult cell was Dolly the sheep.
第一只成功地用成年动物细胞克隆出的哺
乳动物是多利羊。
动词不定式短语to be cloned…在这里作定语,修饰the first mammal。 名词前有序数词修饰时,后面常接动词不定式作定语。
That was the first play to be performed that year. 那是那年上演的第一场戏。practice John has really got the job because he showed me the official letter _____ him it. (2012江西)
A. offered B. offering
C. to offer D. to be offered高考链接多义名词cellthe smallest basic unit of an animal or planta small room in a prison, monastery, or conventa device for producing electrical energya small part of sth or a small group of peopleCan you guess the meanings of cell?cell The doctors tried their best to kill the
cancer cells.
2. He has a separate cell in the prison.
3. This new device is energy-saving for it
uses solar cell.
4. A terrorist cell has been found in
Afghanistan.n. 细胞n. 小囚室,单人房间n. 电池n. 秘密分部、小组4. However, in general the scientists were praised
for their wonderful scientific advance.however : 1) adv.
despite whatever amount or degree:However hungry I am, I never seem to be able to finish off a whole pizza.If Emma likes something she'll buy it however much it costs.不管我多么饿,我好像从来不能吃完一个比萨饼。如果爱玛喜欢什么,不管它要花多少钱,她都要把它买下来。whatever2) adv. despite this: This is one possible solution to the
problem. However, there are other
possibilities. There may, however, be other reasons that we don't know about.这是这个难题的一个可能的解决方案,然而,还有其它的可能。然而,可能还有其它的我们不知道的原因。however作副词“可是,然而”时,放在句首或
句中,但用逗号隔开;
but意为“可是”,是连词,连接句子,其后不
需加逗号;
though作副词“可是”时,既可放在句末,用逗
号隔开,也可以插在句中;
yet意为“可是”时,是连词;作副词,意为:
“还”,一般用于否定句或疑问句中。however和though, but, yet的区别: He was poor. He was happy, though.I was going to write, but I lost your address.他贫穷,可是他很快乐。我本打算写信的,但我把你地址弄丢了。她是个古怪的姑娘,然而你总禁不住会喜欢她。
She’s a funny girl, yet you can’t help liking her.practice 请将下列句子翻译成英语。praise n./v. 称赞;赞扬,表扬
be praised for 因……收到表扬He won praises for his modesty.The headmaster gave a speech in praise of my class.= The headmaster praised my class in the form of a speech.这位科学家的对胚胎和干细胞的研究受到了高度赞扬。The scientist was highly praised for
his research on embryos and stem cells.Even though he has made a mistake,
you should forgive him.即使他犯了错误,你也应该原谅他。相关词或短语的区别:
even adv. 甚至;
ever adv. 曾经,无论何时;
even so adv. 即使如此;
as though/if conj. 好像5. Even though human cloning is causing a lot
of anxiety…
even though conj.
=even if 即使;引导让步状语从句Even the younger children enjoyed the concert. Have you ever been to London? It's raining. Even so, we must set off.She spoke to me as if she knew me.甚至连小孩都喜欢这场音乐会。你去过伦敦吗?正下着雨呢,即使如此我们也必须出发。她和我说话就好像认识我一样。practice 请将下列句子翻译成英语。6. I don’t want to adopt someone else’s…
adopt “ 收养,领养”。 如:
He adopted the orphan.
他收养了那孤儿。
此外,adopt 还有 “采纳,采用”的意
思。如:
Can a school adopt the policy prohibiting the use of mobile phones on campus?
学校能采纳禁止在学校使用手机的政策吗?adopt a child领养孩子采用新技术adopt a new technique采纳意见adopt an idea/opinionThere are many English words
________ from foreign countries.adopted7. Some scientists are already pushing ahead
with research in order to produce a cloned
human being.
pushing ahead with 努力推动、推进;义无
反顾地进行
We must push ahead with our work.
我们必须推动工作。
They will push ahead with the talks, despite
the protests.
他们会不顾抗议,推动对话的进行。8. China has succeeded in producing clones of
cows and goats, and continue to research
ways in which cloning can benefit mankind.
succeed v.成功
succeed in doing sth. 成功的做成某事
He has succeeded in his business.
The firefighters succeeded in saving all the people trapped in the building.
success n. 成功;成就;胜利
successful adj. 成功的,如愿以偿的
His speech was a success.
=His speech was successful.benefit n. 利益,好处Do you think clone is of benefit to human beings?Was he doing that for my benefit?
他那样做是为我好吗?benefit: (1).vt. 对……有利The measures benefit public affairs.(2). vi. 得益,受益He is a person who has never benefited from experience.他是一个从不吸取经验教训的人。=is beneficial to9. I think the scientific advances mentioned in
your article are fantastic!Science has made great advances in the last fifty years.进步With the advance of winter, the days grow shorter.前进in advance预先,事先You must pay 100 yuan in advance.advanced English高级英语advanced technology先进技术10. On a personal note, cloning would totally transform my life.
on a personal note 就我个人而言
on a… note 的意思是“以……语气,以……论调”。例如:
他用幽默的语气结束了对员工们的演讲。
He ended his speech to his employee on a humorous note.
经理以更加严肃的语气提到了上个月的事故。
On a more serious note, the manager mentioned the accident last month.practice 请将下列句子翻译成英语。1. 我们需要给这种乐观的态度增加一点谨慎。
We need to add a note of caution to such optimism.
2. 她的故事给这场关于育儿的争论添加了一些个人色彩。
Her story brought a personal note to the debate on child care.Discussion1. Is the writer for or against cloning?
2. What’s your opinion about cloning human beings?
3. What’s “the perfect copy”? Do you think there will be a perfect copy?Think about what we’ve just learnt today.Time for Reflection Study without reflection is a waste of time.Think in English After the classIt’s time to stop the class for you to look back in silence.We had wanted to finish our task by
noon, but it didn’t quite ____.
A. find out B. give out
C. hand out D. work outQuiz I: Multiple choice. If you’re driving to the airport, can you
give me a ________? A. hand B. seat C. drive D. lift1.2.--- I think he is taking an active part
in social work.
--- I agree with you _____.
A. in a way B. on the way
C. by the way D. in the wayIt is certain that he will ____ his business
to his son when he gets old. A. take over B. think over
C. hand over D. go over3.4.There was never any time for Kate to
feel lonely, ___ she was an only child. ever since B. now that
C. even though D. even as Allow children the space to voice their opinions, ___ they are different from your own. until B. even if
C. unless D. as though5.6.Quiz II: Fill in the blanks according
to the reading material.Student: Is it true that the first human embryo has been (1) ______?
Scientist: It’s true. We have already made an announcement to the public recently.clonedStudent: What do you think of it?
Scientist: I think it can produce (2) _______ human tissues and organs that could be used to (3) _____ human lives. However, some scientists think (4) _________. They believe cloning human embryos may (5) _____ with nature and be on the way to (6) __________ a real-life Frankenstein’s monster.valuabledifferentlytoyproducingsaveStudent: Well, would you please explain cloning in details to me?
Scientist: Yes. Cloning is producing an exact (7) _____of a plant or an animal using its cells. I think you have known something about the cloned sheep Dolly. In (8) _______, the scientists were (9) _______ for this wonderful scientific (10) ________.generalpraisedcopyadvanceStudent: Can you give me more examples about the uses of cloning humans?
Scientist: Well, a woman can not have a baby and is (11) ________ to have a child of her own. She doesn’t want to (12) ______ one. What can she do? Cloning gives her the possibility.anxiousadoptStudent: Is cloning human embryos illegal in all countries?
Scientist: No. Some scientists are already pushing ahead with research so as to (13) ________ a cloned human baby.
Student: OK. Thank you. I will search on the Internet for more information.produceQuiz III: Fill in the blanks according
to the Chinese.1. 请指出这句话中的错误。_____ ____ the mistake in this sentence, please. 2. 一般来说, 人们都不喜欢被捉弄。___ ________, people don't like to be made fun of. 3. 你应该对他有所尊重。You should ____ _____ _______ for him. Point outIn general show some respect4. 经过仔细考虑后,他们决定坚决推动这
笔交易的实现。
After careful consideration they decided
to ____ ______ ____ the deal.
5. 请问,这些是准备出售吗?
Excuse me, are these ___ ____?
6. 我就快把报告写好了。
I’m well ______ _______ _____ _____
completing the report. push ahead withfor saleon my way to7. 他该付账,毕竟是他提议的。
He should have paid. ______ ______, he
suggested it.
8. 你不该拿重大问题当儿戏。
You shouldn't _____ ______ great issues.
9. 今天我们有许多重要的事情需要处理。
We have a lot of important matters to
______ _____ today.After alltoy with deal withHomework1. Read the text again and try to find out the sentences that are difficult for you.
2. If you had the right, what would you like to clone? Why? Please write a short passage (100 words or so).Thank you !