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1、Unit 3 Science and naturevReading-The perfect copyDollyvthe worlds first cloned mammalvcreated by Scottish scientists in 1996vsparked worldwide interest and concern after its birthvdied in 2003 because of lung diseasethe worlds first cloned pigs,named Noel,Angel,Star,Joy,and Maryproduced from an adu
2、lt female pig using a different technique from the one that produced DollyCCvcreated using a cell from an adult catvCC meanscopycat.vthe first to give birth to childrenANDivit is from inserted DNAspelt backwards.vthe first cloned monkeyvthe technology is different from that used for Dolly.Do you thi
3、nk it would be a good idea to human cloning some day?The perfect copyThe perfect copyReadingReadingPrediction:Prediction:What attitude does the author hold towards cloning,positive,negative or neutral?Learning aims:Learning aims:1.Students learn how to understand scientific terms.2.Students can unde
4、rstand the writers point of view.After learning The perfect copy3.students will be able to use some useful phrases to state their“for and against”opinions on cloning.4.students will concern more about the relationship between science and nature.Reading strategy:understanding scientific termsvWhen we
5、 read an article about science,we can follow the step:First,_;(read the first and last paragraphs for an idea of what the article is about.)Second,scan the body;Third,_.(read through the article a few times.)vWhat does the article mainly talk about?vThe text mainly talks about what cloning is and di
6、fferent attitudes toward it.Analyze the stucture of the passagevPara1:An announcement about the first cloned human embryo caused much debate.vPara2:Introduction of what is cloning and the first cloned sheep Dolly.vPara3:Different opinions about craeting new tissues and organs for curing diseases by
7、cloning.vPara4:Why cloning is good news for Faye Wilson.vPara5:Some scientists try to clone human babies in the world.vPara6:Chinese scientists have cloned some animals and cloned tissues to be used in medical treatments,which can benefit mankind.Decide the following statements true or false?(1)Peop
8、le 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.(4)Cloning can be used to cure diseases because it can produ
9、ce new tissues and organs.(5)Cloning human beings is illegal in many countries,so no scientists want to clone human beings.FFFTTQuestion SheetQuestion SheetPara.1.1.Whats the main idea of para1?2.What have scientists announced?3.Whats peoples reaction to it?Para.21.Did Dolly live as long as the norm
10、al sheep?2.Why were many people worried about it?Para.3.1.Whats the nationality of the scientist who created the first mammal?2.What does he think cloning should be focused on?Para.41.Whats the problem with the 41-year-old saleswoman Faye Wilson?2.Does she welcome the idea of cloning a baby?Para.51.
11、Is cloning human embryos illegal in all countries?2.What has an Italian doctor declared?Para.6.1.What animals has China succeeded in cloning?A.B.Whats the main idea of Para.1?A.Announcement on cloning caused debateB.Some scientists are for cloning human embryosC.Many people show disagreement and fea
12、rLets check the answers:Lets check the answers:Para.1.What have scientists announced?Whats peoples reaction to it?They have announced that they have cloned the first human embryo.It has caused much debate.Some people and scientists are for it,some are against it.Para.1.In Mary.W.Shellys novel,A scie
13、ntist Frankenstein made a monster using dead bodies,but the monster wasnt understood and accepted by the society.At last Frankenstein was killed by it.Do you think the monster is frightening?Para.2 Did Dolly live as long as the normal sheep?Why were many people worried about it?No They thought cloni
14、ng would lead to more diseases in the animal world.Para.3.Whats the nationality of the scientist who created the first mammal?What does he think cloning should be focused on?BritishCreating new tissues and organs that could be used to cure diseases like cancer.Para.4Whats the problem with the 41-yea
15、r-old saleswoman Faye Wilson?Does she welcome the idea of cloning a baby?She cant have a baby.Yes.Para.5Is cloning human embryos illegal in all countries?What has an Italian doctor declared?No.He wants to be the first to clone a human being.Para.6.What animals has China succeeded in cloning?Cows and
16、 goats.1.Which of the following statement is NOT true about Dolly according to the text?A.Dolly was born in 1996 and died in early 2003.B.Many people were very angry at its birth.C.Dolly died at a normal age.D.Science made a great breakthrough for the birth of Dolly.choices:2.Whose idea shows no res
17、pect for life?A.Faye Wilson,a 41-year-old sales woman.B.The Scottish scientist Ian Wilmut.C.Chinese scientists.D.Severino Antinori,the Italian doctor.How could China make use of this technology?Which statements is wrong?A.Use clone technology in ways of benefiting mankind.B.Use it for medical resear
18、ch.C.Focus their efforts on cloning human beings.D.Managed to clone cows and goats.Agreement/ForDisagreement/against1._valuable human tissues to save human lives2.scientists were _for the scientific_.3._diseases likecancer4.help those who are_to have children5.help those who want to _their dead chil
19、dren 1.toy with_2.produce a _3.create more _in the animals world 4.cloning shows no _ for human life5.should be having fewer babies to _ the Earths population.6.i_7.immoral(不道德的不道德的)Find reasons why people are for or against human cloning in the article and letters.producepraisedcureadvanceunableclo
20、nenaturemonsterdiseasesrespectllegalreduceWhats the authors opinion on cloning?On the one hand;on the other handneutraluseful expression state different facts of both sides.positive,negative or neutral?In Paulines letter:In Paulines letter:In Colins letterIn Colins letterHe uses“If”sentences to stat
21、e the possible consequences it can bring about;questions;facts Personal experience;factsWhat can you write to make your arguments more persuasive?Student:Is it true that the first human embryo has been(1)_ cloned?Scientist:Its true.Student:What do you think of it?Scientist:I think it can produce(2)_
22、 tissues that could be used to save human lives.However,some scientists think differently.They believe cloning human embryos may be on the way to(3)_ a real-life Frankensteins monster.Student:Well,would you please explain cloning in details to me?successfullyvaluableproducingConsolidation:Scientist:
23、Yes.Cloning is producing an exact copy of a plant or an animal using its cells.You are very familiar with the cloned sheep Dolly.In(4)_,the wonderful scientific (5)_ was praised.Student:Can you give me more examples about the uses of cloning humans?Scientist:Well,some woman can not have a baby and i
24、s(6)_ to have a child of her own.But she doesnt want to(7)_ one.What can she do?Cloning gives her the possibility.Student:Is cloning human embryos illegal in all countries?generalbreakthroughanxiousadoptScientist:No.Some scientists are already pushing ahead with research so as to(8)_ a cloned human
25、baby.Student:OK.Thank you.I will search on the Internet for more information.produceDiscussion:Do you think human beings should be cloned?Do you think governments should pass laws to make human cloning illegal?Useful expressions:Whats your opinion ofDo you think it is wise toI think we should clone
26、humans.IfIm not sure whether that is right.I think cloning humans should be made illegal.Its totally against nature.Discuss the following questions,make a conversation in pairs.Useful words and phrases:1.Im for/against human cloning because 2.I think/believe human cloning is3.On a personal note,4.Im
27、 in complete agreement with5.I cant agree with whatsaid 6.I think what stated is unreasonablesummaryLearn to be persuasive.Whether the copy is perfect or not,its already happening.What matters most is how we take advantage of science instead of preventing science going forward.Homework:Write a composition 现代科技发展快速，完全超越了我们的想象力，克隆技术是领先的高端科技之一。前几天，我们班进行了一次关于克隆人类的讨论。有的同学表示支持，有的表示反对。写一篇作文描述同学们的观点，并且说说你自己的看法和观点。45%的同学支持35%的同学反对理由1.可以制造出有用的器官来治疗严重的疾病，拯救人命。2.可以帮助不会生小孩的夫妇。3.可以克隆死去的孩子和宠物，给人们精神的安慰。理由1.可能会制造出现实的怪物。2.可能会导致动物界更多的疾病。3.克隆人是对人类的不尊重。4.为了环保，人类需要控制人口，而不是制造更多的人口。