Unit 3 Science versus nature
clone [kl?un] vt.克隆 n.克隆出来的动物或植物
* embryo [?embri?u] n.胚胎
on the one hand…on the other hand … 一方面…另一方面…
tissue [?ti?u:] n. (生物的)组织;纸巾
* monster [?m?nst?] n.怪物
exact [ig?z?kt] adj.精确的,准确的
cell [sel] n.细胞;小隔间;电池
* mammal [?m?m?l] n.哺乳动物
* Scottish [?sk?ti?] adj.苏格兰的
intention [in?ten??n] n.意图,目的;企图
anxiety [???zai?ti] n.忧虑,焦虑,不安
saleswoman [?seilzwum?n] n.女售货员, 女推销员
adopt [??d?pt] vt.收养,领养;采用,采纳
legal [?li:g?l] adj.法律许可的,合法的
push ahead with义无反顾地进行, 努力推进
* Italian [i?t?li?n]adj.意大利的 n.意大利人;意大利语
physician [fi?zi??n] n.医师;内科医生
goat [g?ut] n.山羊
consequence [?k?nsikw?ns] n.结果,后果
harvest [?hɑ:vist] vt. & vi.收割(庄稼) n.收获;收成
transform [tr?ns?f?:m] vt.使改变外观或性质 (尤指向好的方向) ; 使改变形态
concept ?[?k?nsept] n.概念;观念
crime [kraim] n.罪,罪行
fellow [?fel?u] n.男子,家伙;同事,同类
profession [pr??fe??n] n.职业,行业
breakthrough [?breikθru:] n.突破
original [??rid??n?l] adj.原来的,起初的; 首创的;非复制的
judgement [?d??d?m?nt] n.判断力;看法, 评价;
be/ get burnt out耗尽体力,累垮
relation [ri?lei??n] n.关系;亲戚
public relations n.公共关系
follow in one's footsteps效仿某人
conduct [?k?nd?kt] vt.实施;指挥乐队
majority [m??d??riti] n.多数,大多数
summary [?s?m?ri] n.总结;概括,概要
consideration [k?n?sid??rei??n] n.仔细考虑; 必须考虑的因素;体谅,顾及
take... into consideration认真考虑
hunger [?h??g?] n.饥饿;饥荒
tasty [?teisti] adj.美味的,可口的
nutrition [nju:?tri??n] n.营养
ordinary [??:din?ri] adj.普通的,一般的
reliable [ri?lai?bl] adj.可信赖的,可依靠的
accurate [??kjur?t] adj.准确的,精确的
brief [bri:f] adj.短时间的,短暂的; 简洁的,简单的
actual [??kt?u?l] adj.真实的,实际的
confirm [k?n?f?:m] vt. & vi.证实,证明; 确认;使确信
agriculture [??grik?lt??] n.农业
channel [?t??n?l] n.水道;航道;隧道
favour [?feiv?] n.赞同,支持;恩惠, 帮助;偏爱,偏袒
in favour of赞同,支持
point of view n.观点
catastrophe [k??t?str?fi] n.灾难,灾祸
* resource [ri?s?:s] n.资源
acre [?eik?] n.英亩
income [?ink?m] n.收入,收益
* genetics [d?i?netiks] n.遗传学
frighten [?fraitn] vt.使惊吓,使惊恐
* genetically [d???net?kl?]adj. 从基因上, 与基因相关
* modify [?m?difai] vt.调整,修改;修饰
insert [in?s?:t] vt.插入,嵌入
* DNA n.脱氧核糖核酸
pest ?[pest] n.害虫
profit [?pr?fit] n.利润,收益 vi. & vt.获益;对……有用
chain [?t?ein] n.一系列;一连串(人或事)
food chain n.食物链
permission [p??mi??n] n.准许,许可,批准
The perfect copy
Scientists have announced that they have cloned the first human embryo. This has caused much debate round the world. 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, including some scientists, disagree and are afraid that, if mankind toys with nature in this way, we may be on our way to producing a real-life Frankenstein's monster.
Cloning is producing an exact copy of a plant or an animal using its cells. The first mammal to be cloned successfully from an adult cell was Dolly the sheep. She was born in 1996 and died in early 2003, at a much younger age than normal. When she was born, many people were worried that cloning would lead to more diseases in the animal world. However, in general the scientists were praised for their wonderful scientific advance.
Ian Wilnut, the Scottish scientist who created Dolly, is shocked that some scientists are now considering cloning human beings. Although he researches cloning, his intention has never been to create copies of humans. Instead, he thinks research efforts should concentrate on creating new tissues and organs that can be used to cure diseases like cancer. However, some people believe that cloning human embryos with the intention of destroying them shows no respect for human life.
Even though humaning is causing a lot of anxiety, it is good news for Faye Wilson, a 41-year-old saleswoman who cannot have a baby. ‘I am anxious to have a child of my own,’ she says. 'I don't want to adopt someone else's child—if I had the chance, I would have a cloned baby right now.'
While cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby. Severino Antinori, an Italian physician, has declared that he wants to be the first to clone a human being.
In China, scientists have focused their efforts on cloning animals, as well as cloned tissues to be used in medical treatment. China has succeeded in producing clones of cows and goats, and continues to research ways in which cloning can benefit mankind.
I believe that human cloning is wrong. If we toy with nature, we will have to deal with the consequences. Who knows what could happen? Human life would just become a crop to be harvested or a product for sale.
The human race is using up Earth's natural wealth. We should be having fewer babies in order to reduce Earth's population, not cloning more.
I feel sorry for the lady who cannot have a baby, but I would like to point out that there are many children in the world with no parents who would be delighted to have a mother.
I would like to comment on your article 'The perfect copy'. I think the scientific advances mentioned in your article are fantastic. I am in complete agreement with human cloning. After all, scientists have been challenging moral ideas for centuries. Why should we stop them now?
On a personal note, cloning would totally transform my life. Seven years ago, my 10-year-old daughter died of heart failure. She was beautiful, cheerful and bright. I miss her every single day. If I had the chance, I would clone her immediately so that I could be with her again.
Listen and learn:
Listen to the wordlist and try to learn the words and phrases by heart.
◆Step 2: Personal show
●Task 1: Give the following words’ Chinese meaning
consequence n. harvest vt. & vi. n.
transform vt. concept n.
breakthrough n. conduct vt.
nutrition n. reliable adj.
brief adj. confirm vt. & vi.
●Task 2: Translate the following words
义无反顾地进行, 努力推进 效仿某人
n.仔细考虑; 必须考虑的因素;体谅,顾及 n.利润,收益 vi. & vt.获益;对…有用
Step 3: Text reading Listen to the text and then finish the following sentences
●Task: Task-based reading阅读课文, 完成下表。注意：一空一词
Different opinions on the first human embryo 1. _______
For: Human embryo cloning can produce valuable tissues—2. _____ bone or lung tissue—that could be used to 3. ______ human lives.
Against: We may be on the way to producing a real-life Frankenstein’s 4.____.
Different opinions on the birth of 5. ________
For: People 6. _______ scientists for the scientific breakthrough.
Against: Cloning would create more 7._____.
Ian Wilmut’s intention
Severion Antinori’s intention
Research efforts should be 8. ______ on creating new tissues and organs for medical use. Cloning human embryos with the intention of destroying them shows no 9. _____ for human life.
To be the first to clone a human being.
Chinese scientists have focused their efforts on cloning 10. ______, as well as cloned tissues to be used in medical treatment.
They have succeeded in cloning cows and goats.
1. Read the text
2. Try to recite the sentences in step 3-Task 1
Step 1: Personal show
Write down the words according to yourself.
Step 2: Language focus
◆ 1. intended adj. (为…〉打算的/设计的
My brother intends to study abroad next year. 我弟弟打算明年到国外留学。
He went to Paris with the intention of learning/ to learn French. 他到巴黎是为了学法语。
I have no intention of going to the wedding. 我无意去参加婚礼。
The course is intended for intermediate students. 这个课程是为中等水平的学生开设的。
The dictionary is intended for children. 这本字典是给小孩用的。
His parents intended him to study abroad. 他的父母想让他去国外学习。
1. Small children don’t like books that are _______ for adults.
A. promised B. permitted C. admitted D. intended
2. ---I thought you and Peter were going for a bike ride.
---_______, but the front wheel of my bike is bent and I haven’t had it fixed.
A. We intended to B. I’m sorry C. Well, we went D. She was, and I won’t
3. In the park, the number of visitors is tightly _______ to avoid damaging the environment or putting stress on the animals.
A. limited B. encouraged
C. expected D. intended
4. She ________ to catch the early train, but she didn’t get up in time.
A. intended B. was intended
C. had intended D. was intending
without intention无意地 by intention故意地 with good intention善意地，诚意地
点津： had intended to do sth.指本来打算做某事而没有做;
◆ 2. adopt vt. &. vi.收养,领养;采用(方法) ;采取(态度) ;采纳 (建议) ;承袭(风俗) ;选举
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