UnitCloningReading谢师公开课实用教案

1、第1页/共54页第一页，共55页。第2页/共54页第二页，共55页。Whats the distinction between natural cloning and man-made cloning?第3页/共54页第三页，共55页。TwinsThey were born naturally and identical in sex and appearance.第4页/共54页第四页，共55页。Twins第5页/共54页第五页，共55页。Dolly the sheepShe was cloned while the others were born naturally.Dolly was

2、a _ sheep, which was an _ repreduction.(无性繁殖）无性繁殖）clonedHow does Dolly differ from other sheep?asexual第6页/共54页第六页，共55页。Competition Challenge yourself : try to answer the following questions as soon as possible. If anyone of you stand up first and answer the question fluently and correctly, lets give

3、 him or her a big hand, which means he or she can obtain one score for your group.bonus第7页/共54页第七页，共55页。1. What benefits can humans gain from cloning?2. What problems may arise when humans are cloned?第8页/共54页第八页，共55页。Comprehending第9页/共54页第九页，共55页。I. Read through the passage and match the main idea o

4、f each paragraph.(3mins)The definition of cloning.Para 1. Para 2. Para 3. Para 4. Para 5. The major uses and procedures of cloningThe problems of DollyThe effect of Dolly.Peoples reaction to cloning第10页/共54页第十页，共55页。Careful Reading Read the text in details第11页/共54页第十一页，共55页。Cloning is a way of makin

5、g an exact copy of another animal and plant.What is cloning ?Para 1 (1 min)The definition of cloning第12页/共54页第十二页，共55页。1.How many major uses do cloning have? Firstly, commercial Secondly, research2. When was the cloning of Dolly the sheep born?Para 2 2mins1996The major uses and procedures of cloning

6、第13页/共54页第十三页，共55页。 The procedure of cloning 第14页/共54页第十四页，共55页。At first, the fact that Dolly developed _ in a natural way was _.Then came the _ news that Dolly had Become seriously ill. Cloning scientists _ to find that Dollys illnesses were more _ .Finally, the problem that occurred to the scienti

7、sts was that a cloned animal lives_ the original one.Para 3 2minsThe problems of Dollynormallyencouragingwere cast downdisturbingas long as / shorter than / longer thanappropriate to a much older animalshorter than第15页/共54页第十五页，共55页。Para 4 1minThe effect of DollyimpactDollys appearance raised _ obje

8、ctions and had a great _ _ the media and public imagination. It became arguable( _).a storm of impact oncontroversial第16页/共54页第十六页，共55页。Para 53mins第17页/共54页第十七页，共55页。True or false:1People feared that Cloned Osama Bin Laden would do harm to the world.2 Human cloning are encouraged.Para 5Peoples react

9、ion to cloningMany governments forbade reserch into human beings.第18页/共54页第十八页，共55页。From the last paragraph we can infer that _. A. cloning will come to an end because of the objections B. cloned human beings will be produced in the near future C. many countries will use cloning in a wise way D. all

10、 the research into human beings will be forbiddenC第19页/共54页第十九页，共55页。 the author does not state any personal opinion about cloning. A. Objective (be fair) B. Negative (be against it) C. Positive (be in favor of it)The writers attitude towards cloningBecause_第20页/共54页第二十页，共55页。Oh! my God! I was clone

11、d!“哦！上帝哦！上帝(Shngd)啊！我被克啊！我被克隆了！隆了！”第21页/共54页第二十一页，共55页。Pair workDo you want to be cloned?Whom would you like to clone? and why?第22页/共54页第二十二页，共55页。Are you in favour ofAre you in favour of cloning cloning people or against cloning people?people or against cloning people?第23页/共54页第二十三页，共55页。第24页/共54页第

12、二十四页，共55页。 Suggest answers: 1.Cloning is a way of making an exact copy of another animal and plant. A clone is an animal or plant produced naturally or artificially from the cells of another animal or plant and is exactly the same as it.第25页/共54页第二十五页，共55页。 2. It can help cure disease and can help c

13、ouples who have no baby to bear a new baby. and .第26页/共54页第二十六页，共55页。 3. There may be more bad people like Hitler. and第27页/共54页第二十七页，共55页。 4. In my opinion, I do not agree, for it may cause many moral problems. Or as far as I am concerned, I am for it, as第28页/共54页第二十八页，共55页。 5. No. The cloned baby a

14、lso has the disease第29页/共54页第二十九页，共55页。第30页/共54页第三十页，共55页。 Reading 第31页/共54页第三十一页，共55页。Natural clone is one that occurs in a natural form of cloning without human help. Man-made clone is one that produced through human intervention(介入介入(jir) .第32页/共54页第三十二页，共55页。Look at these pictures and discuss wh

15、ich ones are natural clones and which ones are man-made. Explain how they differ.Discussion第33页/共54页第三十三页，共55页。A strawberry plantThe new plants that grow from the runners are exact copies of the original plant.第34页/共54页第三十四页，共55页。第35页/共54页第三十五页，共55页。富贵竹插枝富贵竹插枝(ch zh)即活即活 The gardener should cut the

16、plant ,then the cutting produce another new plant.第36页/共54页第三十六页，共55页。Growing new plants第37页/共54页第三十七页，共55页。Fill in the chart on PageFill in the chart on Page 1 12 2 using the information from the using the information from the text.text.第38页/共54页第三十八页，共55页。Which is easier to clone, plant or animal?

17、 Because cloning plants is straightforward , but the cloning of animals is very complicated.Discussion 第39页/共54页第三十九页，共55页。Homework1. Translate the procedure of cloning Dolly the sheep into Chinese.2. Finish Ex.1,2,3, Page12.第40页/共54页第四十页，共55页。1996 cloning sheeps第41页/共54页第四十一页，共55页。 4. Should we clo

18、ne human? State your opinion. 5. Could a parent clone a child who is dying of a terminal (致命(zhmng)的）illness?第42页/共54页第四十二页，共55页。2001 cloning cattle第43页/共54页第四十三页，共55页。我国成功繁殖克隆兔 体形(txng)(txng)要比普通兔大许多2002年年5月月中旬成功中旬成功(chnggng)地繁殖了地繁殖了一只胚胎细一只胚胎细胞克隆兔。胞克隆兔。第44页/共54页第四十四页，共55页。2002 cloning cats第45页/共54页第四十五页，共55页。第一第一(dy)只克隆宠只克隆宠物猫物猫克隆克隆(k ln)马及马及其其“母亲兼姐姐母亲兼姐姐”第46页/共54页第四十六页，共55页。2002年年4月十六月十六日美国第一日美国第一(dy)头克隆牛头克隆牛“艾米艾米”产下牛犊喜作妈产下牛犊喜作妈咪咪第47页/共54页第四十七页，共55页。2005 cloning dogs第48页/共54页第四十八页，共55页。克隆的荧光克隆的荧光(ynggung)小猪小猪(左左)和正和正常小猪常小猪(右右)第49页/共54页第四十九页，共55页。A strawberry plantThe new plants that grow fr