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1、Unit 2 CloningUnit 2 CloningModule 81策划：学生双语报English SongEnglish ClassLanguage Data Bank2策划：学生双语报课时分配课时板块结合范例Period 1&2 Warming up and Reading I Period 3Learning about languagePeriod 4Reading IIPeriod 5Listening and Speaking Period 6Writing3策划：学生双语报Unit 2 Cloning 4策划：学生双语报Look at the following pictu
2、res and answer the questions:1. Its the most famous sheep in the world. Do you know how Dolly is different from other sheep?Warming up ( 5ms ) She was cloned while the others were born naturally. It is the copy of another sheep. 5策划：学生双语报2. What is cloning? Cloning is a way of making an exact copy o
3、f another animal or plant.3. Are the following clones the same? If not, what is the difference?NO. The first four are man-made clones, the rest two are natural clones.6策划：学生双语报In this class well learn a passage about cloning, but before we come to the text, can you guess how a clone is produced?Pre-
4、reading ( 3ms )The cloning of plants is simple and relatively easy. It can be done by taking cuttings (man-made cloning ) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996 and is fully explained in the passage w
5、ell learn today. 7策划：学生双语报Reading I Scanning ( 5ms )Write T or F.1. Cloning means making a copy of an animal or a plant.2. Gardeners can make a lot of money by cloning plants.3. Cloning animals is as complicated as cloning plants. FFT8策划：学生双语报4. Dolly the sheep was the first successful clone of a ma
6、mmal.5.Natural clones happen in animals as will as in plants.TT9策划：学生双语报1.Dolly the sheep_. A. looked exactly like the sheep that provides the egg. B. was the exact copy of the sheep that provides the nucleus. C. looked like the sheep that gave birth to it. D. had the characteristics of all three sh
7、eep. Reading II Skimming ( 5ms )Choose the right answer according to the text.10策划：学生双语报2. 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 one C. usually lives longer than the original one D. is usually
8、 as healthy as the original one11策划：学生双语报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.Famous persons who have passed away can be clone
9、d.12策划：学生双语报4. What is peoples fear about human cloning? Which of the following is wrong?A.Cloned Hitlers would do harm to the world.B.Cloned people may be killed at will for medical aid.C.A woman would have difficulty recognizing her real husband.D.Men will die out because a woman can give birth to
10、 a baby without a husband.13策划：学生双语报Reading III Detail reading ( 8ms )Fill in the chart using the information from the text.Problems or dangers of cloningAdvantages of cloningAnimals may_ _ of older animals.Medical cloning could _ _ for serious degenerative(变质的）变质的）_ in humans. developtheillnessespr
11、oducecuresillnesses14策划：学生双语报Animal clones may _ _ than the donor animalsCloning 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 _ _ .dieyoungerproduceplantsqualityforsalelead
12、erusefulEvil plantspeciesmoralobjectionsendangeredanimalsnew15策划：学生双语报Reading IV Intensive reading (7ms )Read the letter again, then try to find the main idea of each paragraph.1.Cloning is _ 2.Cloning has _ uses.3.The _ of Dolly.4. The _ of Dolly.5. It is _ to clone human beings. a way of making an
13、 exact copy of another animal and plant.problemstwo majoreffectforbidden16策划：学生双语报Practice discussion ( 8ms ) Choose one of the following questions to discuss in groups. The leader of each group should write down every members opinion, then the volunteers will show your group work to the whole class
14、:17策划：学生双语报Questions:1.Do you support the idea of producing human embryos(胚胎胚胎)for medical purposes?Why?2.Do you think it a good idea to use cloned humans for organ(器官器官)transplants? Why?3.Do you think a cloned human should have human rights? Why?4.Do you think cloned humans will have the same talen
15、ts as the original ones? Why? 18策划：学生双语报Assignment Surf the Internet to find more information about cloning and you are expected to present it to your classmates in the next class.19策划：学生双语报20策划：学生双语报21策划：学生双语报Unit 2 Cloning 22策划：学生双语报Checking answer I (2ms)Answer keys for Ex.1 on Page 13:1.differ2.
16、cast down3.accumulated4.undertake5.exact6.altogether23策划：学生双语报Checking answer II (2ms)Answer keys for Ex.2 on Page 13:1.Straightforward 2. arbitrary2.3. Commercial 4. Are you in favour of5. Procedure 6. I object7. will forbid24策划：学生双语报Checking answer III ( 3ms )Answer keys for Ex.3 on Page 13:1.unde
17、rtake2.2. controversial3.3. satisfaction4. Cast down5. breakthrough6. accumulate25策划：学生双语报Checking answer IV (2ms)Answer keys for Ex.4 on Page 14:1.C2.F3.D4.E5.B6.A26策划：学生双语报Checking answer V (10ms)Answer keys for Ex.2 (Translation) on Page 56(Workbook):1.My rabbit gave birth to four exactly identic
18、al babies several days ago.2.From time to time we think that humans can use cloning to bring extinct animals back to life.3.The plan to develop human clones is bound to raise controversial questions.4.Shortly after he retired, the old man wrote a novel about his childhood.27策划：学生双语报5. She is unable
19、to speak aloud because she has just had an operation on her throat.6. Edward was much cast down by the news that he couldnt obtain the graduation certificate.7. His efforts paid off when the doctor saw the patient opened his eyes.8. The scientist made the assumption that there is no animal life on o
20、ther plants.Checking answer V (10ms)Answer keys for Ex.2 (Translation) on Page 56(Workbook):28策划：学生双语报Useful structure ( 20ms )29策划：学生双语报同位语从句与同位语从句与that引导的定语从句的区别：引导的定语从句的区别：1、同位语从句与名词之间在逻辑上是、同位语从句与名词之间在逻辑上是“主语主语+be+表语表语”的关系。该名词是需要做特殊说明的抽象的关系。该名词是需要做特殊说明的抽象名词。例如：名词。例如：a) 听说他们的队赢了，他们很高兴。听说他们的队赢了，他们很
21、高兴。 _ _ .b) 消息就是他们队赢了。消息就是他们队赢了。 _.They were delighted at the news that their team had wonThe news was that their team had won30策划：学生双语报2、从引导词来看：引导词、从引导词来看：引导词that在同位语从句中是在同位语从句中是连词，只起连接作用，无具体词义，连词，只起连接作用，无具体词义，that不可省不可省略；略；that在定语从句中是关系代词，它在从句中在定语从句中是关系代词，它在从句中充当一定成分充当一定成分 主语或宾语，有具体词义，主语或宾语，有具体词义，
22、作宾语时还可以省略。例如：作宾语时还可以省略。例如： a) The factory _ we visited yesterday is a chemical one. b) The news _ he will leave for Shanghai is true.(that)that定语从句定语从句同位语从句同位语从句31策划：学生双语报3、同位语从句的简易判断方法：同位语、同位语从句的简易判断方法：同位语与其先行与其先行词之间在逻辑上是词之间在逻辑上是“主语主语+be+表语表语”的同位语关系。的同位语关系。所以，可以在名词从句之间加系动词所以，可以在名词从句之间加系动词be，使之构成，使之
23、构成一个新句子，如果合乎逻辑，句子通顺，则原句为一个新句子，如果合乎逻辑，句子通顺，则原句为同位语从句；定语从句是不能够有系表结构把先行同位语从句；定语从句是不能够有系表结构把先行词与从句连接起来的。例如：词与从句连接起来的。例如：The belief that the earth is flat is still held in some countries._.The belief is that the earth is flat32策划：学生双语报另外，能用于名词性从句的名词有：另外，能用于名词性从句的名词有： ability, patience, anxiety, answer, o
24、rder, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news, promise, question, reply等等。等等。33策划：学生双语报1. Along with the letter was his promise _ he would visit me this coming Christmas.( 2004春季上海春季上海) A. which B. that C. what D. whether答案答案B B。这是一个同位语从句，解释。这是一个同位语从句，解释promisepr
25、omise的具体内容，要用的具体内容，要用thatthat引导。引导。高考链接34策划：学生双语报2. There is a new problem involved in the popularity of private cars _ road condition need _ . ( 2003年上海年上海 )A. that; to be improved B. which; to be improvedC. where; to be improved D. when; improving解析：答案为解析：答案为A. that引导同位语从句说明引导同位语从句说明“新新问题问题”的内容。的内
26、容。Need后既可接动名词的主动后既可接动名词的主动式，也可接动词不定式的被动式作宾语。式，也可接动词不定式的被动式作宾语。35策划：学生双语报3. Theres a feeling in me _ well never know what a UFO is not ever. ( 2002年上海年上海) A. that B. which C. of which D. what解析：答案解析：答案A。同位语从句。同位语从句that well never know what a UFO is not ever作作a feeling的同位语，解的同位语，解释释a feeling 的具体内容。的具体
27、内容。That连接同位语从句时，连接同位语从句时，只起连接作用，不作从句的任何成分。只起连接作用，不作从句的任何成分。36策划：学生双语报4. Information has been put forward _ more middle school graduates will be admitted into universities. ( 2001年上海年上海) A. while B. that C. when D. as解析：答案解析：答案B。That引导从句作引导从句作information的同的同位语，解释位语，解释information的具体内容。的具体内容。37策划：学生双语报
28、5. These wild flowers are so special I would do _ I can to save them.( NMET2000春季北京春季北京) A. whatever B. that C. which D. whichever 解析：答案解析：答案A。do后接宾语从句，宾语从句后接宾语从句，宾语从句I can 后省略了后省略了do，缺少宾语。，缺少宾语。Whatever在宾语在宾语从句中作宾语。从句中作宾语。38策划：学生双语报Finish the following exercises:1. His central idea is _ the losers
29、do not write history. A. X B. because C. that D. whether2. I think _ certain that she will do well in her exam. A. that B. this is C. it D. whats39策划：学生双语报 3. We should stick to _ is true. A. which B. that C. anything which D. whatever 4. You will find no mistake _ Ive written. A. what B. in what C.
30、 with what D. that 40策划：学生双语报 5. There is a rule in our school _ no one is permitted to smoke. A. where B. which C. that D. what 6. He didnt know which room _ . A. they lived B. they lived in C. did they live D. did they live in41策划：学生双语报Assignment1. Summarize the rules of the Passive Voice.2. Finis
31、h the exercises of “Discovering useful structures” on Page 22 and Page 64-65.42策划：学生双语报43策划：学生双语报Unit 2 Cloning 44策划：学生双语报Warming up ( 4ms )Answer the following questions:1. Do you like dinosaurs? Where have you seen them? Can you see them in our real life? Why?2. Do you think it is possible to clon
32、e dinosaurs? If yes, do you think thats good for human beings? Why?(Students give their own answers.)45策划：学生双语报Reading - I scanning ( 5ms )Read the text, then tell the following sentences are true or false. ( Students can discuss in pairs. )1.Scientists are still experimenting with cloning mammals b
33、ecause they think it can make money.2.The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.3. If we can clone any extinct animals, we should let them live in a zoo.FFF46策划：学生双语报Reading - II Detail reading ( 6ms )Read the text, then answer the
34、following questions. ( Students can discuss in pairs. )1.Why shouldt you clone an extinct animal unless there is enough diversity in the group?2.Why is it wrong to clone an extinct animal if it would have to live in a zoo?3.Why cant you clone the DNA of animals that have been extinct longer than 10,
35、000 years?47策划：学生双语报1.Why shouldt you clone an extinct animal unless there is enough diversity in the group?2. There will not be enough genetic variation in the group to be able to resist new illnesses.48策划：学生双语报2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is n
36、ot a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop and increase its numbers.The zoo is not a natural environment for a wild animal.49策划：学生双语报3. Why cant you clone the DNA of animals that have been extinct longer than 10,000 years? The D
37、NA of animals more than 10,000 years old is not suitable for cloning ,for it cant survive so long.50策划：学生双语报Reading - III Argument ( 10ms )1. Read the passage again and have a argument according to the requirement of Ex.2 on Page 16.2. Students work in groups, when discussing, the head of each group
38、 should write down the opinions of all the members.3. Ask some volunteers to show their opinions.51策划：学生双语报Reading - IV Reading on Page 58-59 ( 10ms )Students read the passage on Page 58-59, then finish the following chart:Team Whats their argument?Two reasons for/against medical cloningDo you agree
39、 with them?why?A1.to _that have no cure at the momentVarious answers and reasons are possible2. To help people _which make them_ For medical cloningcure serious illnesseswho havediseasesgradually lose their ability to move easily or to think52策划：学生双语报Team Whats their argument?Two reasons for/against
40、 medical cloningDo you agree with them?why?B1.to make the stem cells that _of one person, you have to_ Various answers and reasons are possible2. Scientists are worried about _Against medical cloningwill cure an illnessthe efficiency of the systemkill another human being53策划：学生双语报Reading - IV Feedin
41、g back ( 5ms )1. Students ask some questions about the two passages learnt in this class.2. Ask other students to answer the questions first, then the teacher makes a conclusion. 54策划：学生双语报Assignment 1. Finish the exercises on workbook. 2. Prepare for the next class.55策划：学生双语报56策划：学生双语报Unit 2 Clonin
42、g 57策划：学生双语报Listening I ( 5ms )Ex. 1 on Page 17. 1. Listen to the passage for the first time, then tick those that you hear.Keys: 1 3 4 58策划：学生双语报Listening II ( 10ms ) Ex.2 on Page 17.Listen to the tape for the second time and finish the following chart:cruelMarys ideas about cloning Xiao Qings idea
43、s about cloing_ to animalsscientists are doing a _ jobmakes them do _May bring back _animalsit is a _ problems because _clone born _scientist need _ the speciesit may _ for illnessunnatural things“dead end”a age of “mother”weakenswonderfulextinctit is a new scienceencouragementprovide medicine59策划：学
44、生双语报Speaking ( 10ms ) having a discussion:1. With your partners, prepare a discussion according to the information in Ex. 3 on Page 17-18 (every member should take notes when they are preparing). 2. Have the class discussion.60策划：学生双语报Listening III ( 15ms ) Listening task on Page 57.1. Listen to the
45、 tape for the first time and finish Ex.1 on Page 57.Keys: 1 F 2 O 3 F 4 F 5 F 6 F 7 F 8 O 9 O 10 F61策划：学生双语报Listening III ( 15ms ) Listening task on Page 57.1. Listen to the tape for the second time and finish Ex.2 on Page 57.Keys:1. He wants to make his mother happy by keeping her pet dog alive for
46、ever and he also wants to take the chance to America for holiday when the dog is being there.2. Frank doesnt agree with cloning because he thinks cloning is very expensive and it has many moral problems.62策划：学生双语报3. Billys mother is in favor of cloning. She is saving money to go to America to have h
47、er pet dog cloning just before it dies.4. Various answers are possible.63策划：学生双语报1.It is moral to make my mother happy.2.It can provide an excuse for a holiday abroad.3. My mother will need her pet when I am away. 3. Listen to the tape again, then finish the following chart:Arguments for cloning pet
48、sArguments against cloning pets1.It is very expensive to clone a pet.2.It is selfish because it is an excuse for a holiday.3.It is selfish because it means the student can study abroad without his mother complaining.64策划：学生双语报Assignment1. Finish the listening task on English Weekly.2. Make a conclus
49、ion of the listening and speaking skills learned in this class.65策划：学生双语报66策划：学生双语报Unit 2 Cloning 67策划：学生双语报Making clear the writing task ( 3ms )写作任务：写作任务：Give your opinion on cloning写作要求：注意记叙文的表达方式写作要求：注意记叙文的表达方式 要写明白自己的观点，层次要分明。要写明白自己的观点，层次要分明。写作建议：本单元主要讲述了写作建议：本单元主要讲述了“cloning”存在的存在的 问题以及人们的态度，文中
50、可适当问题以及人们的态度，文中可适当就此进行发挥。就此进行发挥。68策划：学生双语报Writing I Discussion ( 5ms )Discuss in groups and write down the information you get. After the discussion, the students write a passage according to the writing task.( There are at least 100 words. )Writing II ( 20ms )69策划：学生双语报Writing III ( 12ms )Checking
51、the articles.1. Ask the students to check the articles for their partners.2. Show some articles on the screen, other students should give some advice.70策划：学生双语报One possible version: Together with the modernest advances in science and technology, the news that Dolly had been born was announced in 199
52、7. However, Dollys death raised many opinions about cloning. Personally, I would like to agree that cloning may do no good to our human beings.71策划：学生双语报 Firstly, seeing Dolly, we may think that cloning animals can easily develop a disease. They cant live long. Secondly, we cant clone animals that h
53、ave been extinct longer than 10000 years, even if the DNA of dinosaurs could survive this long. Thirdly, based on what we know now, human cloning is just a matter of time but the assumption that human clones have already been born hasnt been proved yet. In one word, personally, the chances of clonin
54、g animals and cloning human beings living on the earth naturally are merely a dream.72策划：学生双语报Assignment1.Try to correct the composition .2.Finish the exercises of unit 2 on English Weekly.73策划：学生双语报74策划：学生双语报Language points for Reading IVideo data幻灯片80-94页75策划：学生双语报 1. This happens in plants when g
55、ardeners take cuttings from growing plants to make new ones, happen vi. occur by chance; take place (偶然地）发生；出现偶然地）发生；出现 happen to do happen to sb. It happened that happening n. 事件；偶然发生的事（常用复数）事件；偶然发生的事（常用复数）当园艺工人割草而使之长出新的植物时，就会发生当园艺工人割草而使之长出新的植物时，就会发生这种情况，、这种情况，、碰巧碰巧（某人）发生什么事了（某人）发生什么事了碰巧碰巧76策划：学生双语
56、报辨析：辨析：happen, occur, take place与与come about四词都有四词都有“发生发生”之意，但有区别。之意，但有区别。 happen 是一般用语，词义较广，强调事情发生的偶是一般用语，词义较广，强调事情发生的偶 然性然性; occur 用法较正式，既可以指自然发生，也可以指有意用法较正式，既可以指自然发生，也可以指有意安排。安排。take place 一般指有计划，按事先安排的进行的含义。一般指有计划，按事先安排的进行的含义。come about 往往注重事情发生的原因，常与往往注重事情发生的原因，常与how 连用。连用。注：以上四组词均为不及物动词，无被动语态。
57、注：以上四组词均为不及物动词，无被动语态。77策划：学生双语报Use the above words to fill the following blanks:1) When did the explosion _ ?2) Important elections _ this fall?3) The concert will _ next Sunday.4) How did the quarrel _ ?occurtake placecome abouthappen78策划：学生双语报2. The nucleus of this cell contains all the genes need
58、ed to produce a new sheep.这个细胞得细胞核含有生产一只新的绵羊的必需的这个细胞得细胞核含有生产一只新的绵羊的必需的基因。基因。needed to produce a new sheep 为过去分词短为过去分词短语作后置定语，修饰其前面的名词语作后置定语，修饰其前面的名词genes, 构构成动宾搭配关系。成动宾搭配关系。contain v. have or hold within itself 饱含，饱含， 里里面有面有79策划：学生双语报辨析：辨析：contain 与与 include contain “包含，含有包含，含有”，侧重于包含的内容或成，侧重于包含的内容或
59、成分，分，“里面装有里面装有”； include “包括包括”，侧重范围或整体。，侧重范围或整体。Eg:1) Whisky _ a large percentage of alcohol. 2) The book _ forty maps, _ three of Great Britain.containscontainsincluding80策划：学生双语报3. The nucleus from sheep B and the egg cell from sheep A are joined using electricity.Using electricity 为现在分词短语作方式状语。为
60、现在分词短语作方式状语。 联手，携手联手，携手 参加活动参加活动 和某人一起做事和某人一起做事 参军，连起来参军，连起来从绵羊从绵羊B中取出得细胞核与从绵羊中取出得细胞核与从绵羊A中取出得卵细胞中取出得卵细胞用电流使之结合。用电流使之结合。Join handsjoin in sth. / doing sth join sb. in sth.join up81策划：学生双语报辨析：辨析：take part in, join ,join in 与与 attendtake part in 指参加某项活动，并以积极的态度指参加某项活动，并以积极的态度在所参加的活动中起作用；在所参加的活动中起作用；jo
61、in “加入加入”团体或组织；团体或组织；join in 指参加活动和游戏；指参加活动和游戏；join sb. In sth. 和某人一起做某事；和某人一起做某事；attend 参加会议参加会议(听演讲、听音乐、参加婚礼）听演讲、听音乐、参加婚礼） 82策划：学生双语报4.cast down 使沮丧使沮丧发现突破性克隆动物的命运使他沮丧。发现突破性克隆动物的命运使他沮丧。He felt cast down when he discovered the fate of the breakthrough clone.不要这么沮丧，打起精神来！不要这么沮丧，打起精神来！Dont be so cast
62、 down. Just keep up your spirits.cast down 有两个义项：毁掉；使沮丧，另外，有两个义项：毁掉；使沮丧，另外，cast away 丢弃，丢弃，cast off 放弃；丢弃，放弃；丢弃， cast out 赶走赶走83策划：学生双语报5. in favor of 赞成；有利于赞成；有利于比分是比分是80比比78，客队获胜。，客队获胜。The score was 80 to 78 in favour of the guest team.今天的兑换率对我们有利。今天的兑换率对我们有利。The exchange rate is in our favour tod
63、ay.in favour of 赞成，支持，与赞成，支持，与against相对。相对。84策划：学生双语报6. be bound to注定；有义务做注定；有义务做明天天气一定会变好。明天天气一定会变好。The weather is bound to get better tomorrow.发现突破性克隆动物的命运使他沮丧。发现突破性克隆动物的命运使他沮丧。我觉得有必要对你说，你酒喝得太多了。我觉得有必要对你说，你酒喝得太多了。I feel bound to tell you that you are drinking too much.be bound to do sth.有两个义项：注定，一
64、定会有两个义项：注定，一定会法律责任或义务做某事。法律责任或义务做某事。85策划：学生双语报7. pay off （事业、计划）成功（事业、计划）成功他付清全体船员的工资并将他们解雇。他付清全体船员的工资并将他们解雇。He paid off the crew of the ship.最终他还清了所有的债务。最终他还清了所有的债务。In the end he paid off all his debts.pay off ：成功；付清薪水并解雇；：成功；付清薪水并解雇； 偿还（债务等）。偿还（债务等）。86策划：学生双语报Use the proper forms of the following
65、phrases to fill in the blanks:cast down pay off in favour of from time to time be bound to Finish the following exercises:1.She was _ by her husbands death.2.My uncle comes to have dinner with us _ .cast downfrom time to time87策划：学生双语报3. He has been working so hard at his lessons, so he _ pass the exam this time.4. Finally his efforts _ .5. All of them were strongly _ the project.is bound ofpaid offin fovor of88策划：学生双语报
