高中英语unit2cloningpartiireading学案无答案新人教版选修8

Unit 1 Women of achievement Part II Reading一、【学习目标】1. Learn about cloning and its history.2. Learn the use of key words and sentence structures in the text.二、【自主预习】Step I: Pre-reading (lead-in) (1) Can you see any cloning happen in our daily life?(2) What benefits can humans gain from cloning?(3) What problems may arise when humans are cloned?Step II: Reading1. Skim the text and match the topics with each paragraph:Para1: A. It is forbidden to clone human beings.Para2: B. The problems of Dolly.Para3: C. What is cloning?Para4: D. The effect of Dolly.Para5: E. Cloning has two major uses2. Scan the text and choose the best answers.(1) The main idea of the text is _.A. cloning is very valuable and can benefit the world. B. cloning could be misused by bad people so it must be forbidden.C. cloning is well developed because Dolly the sheep was born. D. cloning raised arguments and scientists are not sure about its future.(2) The cloning of Dolly the sheep succeeded because _A. its easier to clone a sheep than other animalsB. the scientists were determined and worked hard with patienceC. the scientists were rewarded and got lots of moneyD. many other attempts to clone mammals failed(3) Which of the following is not an advantage of cloning?A. Cloning can be used for medical purposes. B. Large quantities of food can be produced by cloning.C. Cloning can help keep animals from becoming extinct.D. People can clone themselves at will.(4) We can infer from the last three paragraphs that _.A. The normal development of Dolly had no effect on the cloning of other species.B. Dollys serious disease and final death disturbed the whole world.C. Dolly successfully cloned a new lamb with the help of cloning scientists.D. There were arguments about animals cloning and concerns about the future of cloning.(5) It can be inferred from the passage that a cloned animal _.A. usually lives as long as the original one B. usually lives longer than the original oneC. usually lives shorter than the original one D. is usually as healthy as the original one(6) Whats the authors attitude towards cloning?A. negative B. positive C. neutral D. approval 3. Careful readingProblems or dangers of cloningAdvantages of cloningAnimals may_ of older animals.Medical cloning could _ for serious degenerative(变质的）_ in humans.Animal clones may _ than the donor animals.Cloning plants can _ of similar _._ may want to clone themselves.Cloning plants can be _ for research on _.There are _ to cloning human beings.Cloning can help save _.三、 基础知识I 【Hide and Seek】1. 制作完全相同的东西_2. 两大主要用途_3. 从事一项任务_4. 得到回报_5. 关注.的进展_6. 感到沮丧_7. 更适合于_8. 令所有的科学家担心_9. 修改，改进_10. 打开了某人的眼界_11. 引起一阵强烈反对_12. 变得有争议_13. 实现某人的抱负_14. 提出道德方面的问题_15. 改革法律制度_16. 禁止人类克隆的研究_17. 收集证据_II. 课文重点句型精讲： 【教材原句】1.(1). The fact is that these are both examples of natural clones.(2). The fact that she seemed to develop normally was very encouraging.(3). Then came the disturbing news that Dolly had become seriously ill.(4). However, scientists still wonder whether cloning will help or harm us and where it is leading us. (5). The question that concerned all scientists were: “Would this be a major difficulty.”【结构归纳】 句1中的that 引导的是一个_从句，说明主语的内容;句2和句3中的that引导的是一个_ 从句，分别解释其前面的名词_和_;句4中的whether和where引导的是_从句。它们都属于_从句。句5中的that引导的是一个_从句。【操练巩固】(1). What the doctors really doubt is _ the serious illness. (recover) 医生们真正感到怀疑的是我母亲能否从重病中恢复过来。(2). Building a well-being and harmonious society is _. (struggle) 我们一直努力奋斗的就是建设一个和谐的小康社会。(3). She seems to care about which is _. (lie)她似乎关心哪个是问题所在了。(4). What he wanted to know is _ I could finish writing the report. 他想要知道的是我究竟什么时候能写完这篇报道。(5). You have no idea _ during the last few months, which hasaffected me for a long time. (go) 你不知道在过去的几个月我经历了什么，这些影响了我很长时间。(6). If it were not for the fact _, she would attend tonights Super GirlsVoice. 要不是因为她生病的事实，她会参加今晚的超级女声的。 (7). Is there any doubt _? (attend) 他明天将出席会议，有疑问吗？(8). What he said suggested _. (content) 他所说的表明他对结果不满意。(9). We havent settled the question of _ for him to studyabroad. (be) 我们还没有解决他是否有必要出国学习的问题。(10). Scientists study _ to make computers. (work) 科学家们为制作电脑而研究人脑是如何运作的。【教材原句】2. Cloning plants is straightforward while cloning animals is very complicated.【结构归纳】While作并列连词用，意思是_,表前后意义上的对比或转折。【操练巩固】(1) Some people waste food _.有些人浪费食物，而有些人却吃不饱。(2) Theres plenty of rain in the southeast _ in the northwest. 东南部雨量充足，而西北部则很少下雨。【教材原句】3. Altogether Dolly lived six and a half years, half the length of the life of the original sheep.【结构归纳】half the length .sheep作six and a half years的_语, 表达倍数的结构为_+_+_+_+_.倍数表达的其他形式有:_; _; _.【操练巩固】 这台电脑的价格是三年前价格的三倍。1 This computer is three times _ of three years ago.2 This computer is three times _ of three years ago.3 This computer is three times _ of three years ago.4 The price of this computer is three times _ of three years ago.【教材原句】4. Although at present human egg cells and embryos needed for cloning research are difficult to obtain, newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions.【结构归纳】(1) 本句是一个主从复合句，although引导_.(2) Needed for cloning research为_分词作human egg cells and embryos的_语。(3) hoping to clone themselves to attain their ambitions为_分词作leaders的_语。(4) .are difficult to obtain是不定式的主动表被动意义的结构，形式为_。【操练巩固】(1) I dont think he is pleasant _(work) with.(2) For some boys, English is not easy _(learn) well.(3) Of all the feelings, bodily pain is the most difficult _ (explain).【教材原句】【书本语法部分P14】5. Did she die young because she was a clone?【结构归纳】Young为_词，在句中作_语。形容词（短语）或形容词化的分词作状语，说明原因、时间或主语所处境况或起补充说明作用。【操练巩固】(1) _, he went to a farmers cottage to ask for something to eat. 他又渴又饥，来到一家农舍要点吃的。(1) For a moment she just stood there, _what has just happened. 她在那儿呆呆地站了一会儿，不敢相信刚才发生的事情。(2) _, she asked me to go with her. 由于害怕，她要我跟她一起去。四、【课内达标】1. Cloning plant