高中英语 Unit2《Cloning》学案3 新人教版选修8
高中英语人教版选修8Unit2CloningGrammar教案(系列三)
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选修八Unit2 CloningPeriod3 Grammar一、教学目标1.知识与技能A.复习同位语的构成;B.正确辨识并使用同位语从句的连接词;C.复习同位语从句和定语从句的区别。
2. 过程与方法A.图解法B.列举法C.讲授法D.演示法3. 情感态度与价值观A.培养学生的规范语言表达;B.让学生体会语言的灵活多变。
C.让学生体验学习的乐趣和成功的喜悦。
二、教学重、难点1.同位语的作用;2.正确判断并使用连接词;3.同位语从句和定语从句的区别。
四、教学方法:1.合作交流,小组讨论。
2.自主学习,独立思考。
3.探究学习。
Step1:什么叫同位语同位语主要用作对名词(代词)做进一步解释,它可以使单词、短语或从句。
同位语从句是名词性从句的一种,置于某些名词之后,这类从句通常由that引导,有时也用what,why,whether,when等引导。
1.The whole scientific world followed the progress of the first successful clone, Dolly the sheep.(名词作同位语)2.Altogether Dolly lived for six years, half the length of her original sheep.(短语作同位语)3.The fact that she seemed to develop normally was very encouraging. (从句作同位语)Step2:同位语从句The news is true.主语系表The news that he has been elected monitor is true.主语同位语从句系表Step3: 同位语从句的引导词以从句的形式表示的同位语叫同位语从句。
引导同位语从句的连接词通常有:1. 从属连词:that,whether(通常不用if)等,that不能省略;The truth is that he has never been to the countryside.The question is whether we can finish the experiment by tomorrow afternoon.She looks as if she were very tired.2. 连接代词:what,who,whom,whose等;I have no idea what size shoes she wears.我不知道她穿几号的鞋。
高中英语人教版选修8学案Unit2Cloning新学案第3课时
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12. I can’t decide _____ book I should buy.
⑷同位语从句与定语从句的区别:
同位语从句与定语从句在使用中常常混淆,我们可以从以下几个方面区别它们:
①同位语从句说明的名词大都是抽象名词;
定语从句所修饰、限定的名词或代词有抽象的也有不抽象的。
We express the hope that they will come to visit China again.(同位语从句)
注意:同位语从句有时被别的词把它和名词隔开:
The story goes that William Tell killed the king with an arrow.
Word came that their team had won.
⑵同位语从句的表现形式:
①由that引导
The fact that you haven’t enough time to do the work is simply unbelievable.
5. Students should be given more free time./The suggestion is welcomed by many people.
翻译句子,并说明这个名词性从句的作用
6. We don’t think you two have met before.
7. It is certain that John will do well in his exam.
The hope that he may come here is not gone yet.
②由whether引导
The question whether we need more time to do the work has not been discussed.
英语:Unit 2 Cloning 学案(新人教版选修8)
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Unit 2 Cloning核心单词1. differv. 不同;相异;使……相异常用结构:A differs fromB in ...A与B在……方面不同A differs withB about/on/over... A与B就……意见相左Their house differs from mine in having no garage.他们的房子与我的不同,区别在于他们的没有车库。
The two sides still differ with each other over the question of pay.双方在报酬的问题上仍各持己见。
联想拓展difference n. 不同之处different adj. 不同的make a difference to 对……产生变化;对什么有影响different from 与……不同,不同于高手过招高手过招用适当的介词填空①The two squares differ colour but not size.②The husband differs the wife who is to take charge of the money.③It doesn’t make a difference me whether you are going to stay.④This is a different car the one I drove yesterday.答案:1. ①in; in ②with; on/about/over ③to ④from2. undertakevt.(undertook;undertaken)着手;从事;承担;保证,答应常用结构:undertake sth. 着手/从事/承担某事undertake to do sth. 保证/答应做某事undertake that ...保证……The scientist undertakes the experiment.这位科学家从事这项实验。
高中英语 Unit 2 Cloning 训练导学案 新人教版选修8
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高中英语 Unit 2 Cloning 训练导学案新人教版选修8Cloning 训练导学案新人教版选修8Task3: Comprehending1、Fill in the chart using the information from the text、Problems of dangers of cloningAdvantages of cloning1、Animals may ________ ________ _______ of older animals、5、Medical cloning could ________ ________ for serious degenerative(变质的)_________in humans、2、Animal clones may _________________ than the doctor animals、6、 Cloning plants can ________ ______ of similar __________ _______ _________、3、_______ _______ may want to clonethemselves、7、Cloning plants can be ________ for research on _________ ________ ________、4、 There are _________ ________ to cloning human beings、8、 Cloning can help save _________ _________、2、 According to the text, we can conclude_________A、 Cloning is good for us、B、 Cloning has two aspects、C、 If cloning is used in a correct way it can bring many convenience to us、D、 If cloning is used in an evil way it can cause much trouble、3、The writer’s reaction towards cloning is__________A、 PositiveB、 NegativeC、 impartialD、 doubtfulbecause_____________________________Conclusion:Reproducti ve cloning is intended to produce a c_______ of an existing a________ or a plant、 Reproductive cloning of animals is a ______for technology and farming as well as for cloning e_________ animals、 But reproductive cloning of human beings is specifically f________ by law in most c__________、 Therapeutic (治疗的)cloning is to produce a healthy copy of a s_________ person’s tissue (肌肉组织)or organ for transplant in order to save the lives of those who would d__________ without it、 This t_________ would be many times better than r________ on organ transplants from other people、The tissue or organ would have the sick persons original DNA、。
人教版高中英语选修8《Unit2Cloning》教案
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人教版高中英语选修8《Unit2Cloning》教案人教版高中英语选修8《Unit 2 Cloning》教案【一】教学准备教学目标一、语言知识目标初步理解、掌握课文中关于克隆的词汇,学习分析课文中的长难句子。
二、阅读技能目标1. 能获取和处理文章中的主要信息。
2. 能够掌握文中出现的重要的语言知识三、学习策略目标掌握速读、略读、猜测词义等阅读策略。
四、情感态度目标让学生认识到克隆的利和弊。
五、文化意识目标了解克隆,正确地利用克隆技术来为人类服务。
教学重难点初步理解、掌握课文中关于克隆的词汇,学习分析课文中的长难句子。
教学过程Step 1 Daily reportOne student comes to the front and gives a report about advantages and disadvantages of science and technology.Step 2 leading-inThe teacher shows some pictures and starts a discussion about cloning.Step 3 SkimmingTask 1: What’s the main idea of the passage?Task 2: Match the main idea with each paragraphPara 1: A. People’s attitude towards cloning.Para 2: B. The problems of Dolly.Para 3: C. The impact of Dolly.Para 4: D. Two major uses and the procedure of cloning.Para 5: E. The definition(定义)of cloning.Step 4 ScanningTask 1. Look through Para 2 and answer the following questions.(1) What are the two major uses of cloning?(2) Which one is easier, to make plant clones or animal clones?Task 2. Look through Para 3 and fill in the chart.Task 3. Do the following translation and word guessing.(1). Translation:On the other hand, Dolly’s appearance raised a storm o f objections and had a great impact on the media and public imagination.(2). The word “controversial” in paragraph 4 probably means_________.A. complicatedB. arguableC. importantD. valuableTask4. Do the following Tor F questions based on Paragraph 5.1. People feared some evil leaders might use cloning to reach their goal.2. All the research into cloning will be forbidden.3. Religious leaders are in favor of human cloning.Step 5 Enjoy beautiful sentences1. Cloning plants is straightforward while cloning animals is very complicated.2. At last the determination and patience of the scientistspaid off.3. The fact that she seemed to develop normally was very encouraging.Step 6 Question and answerThis part is for students to find if they still have questions. If there is any, they can ask their classmates to help them.Step 7 QuizNote: This part is very challenging. In the picture there are five numbers. Students can choose their lucky number and answer questions. Most of the questions are based on what they have learned in class.Step 8. Test yourselfFill in the blank with proper words.Cloning is a way of _______ (make) an exact copy of another animal or plant. It has two major uses. One is _______ gardeners use it to produce plants. The ______ is that it is valuable for medical research on animals. ________, the process of cloning is difficult ___________ (undertake).The first successful clone, Dolly the sheep, made the whole _________ (science) world follow its progress, though it had ________ problems than the normal sheep. On the other hand, Dolly’s appearance _______ (raise) a storm of objections and had a great impact ______ the media and public imagination. Different people have different opinions on it. However, scientists still wonder ______ cloning will help or harm us and where it is leading us.Step 9 DebateTopic: Are you for or against cloning?课后小结HomeworkWrite a passage entitled My view on cloning.课后习题评测练习主要有两个。
高中英语 Unit 2 Cloning 学案 新人教版选修8
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高中英语 Unit 2 Cloning 学案新人教版选修8CloningI、单元教学目标技能目标GoalsⅡ、目标语言功能句式Expressing and supporting an opinionI’m happy to accept …、But…、I would never accept…、I’m not bothered about…、、I don’t mind but…、I hope you’ll carry on…、Are you sure you want to…、I agree with you that…、Is it fair to…、?Do you think it is wise to…、?I think you should…、Well done to you for…、I don’t understand why you don’t…、I can’t help thinking…、I could never agree to…、词汇1、四会词汇Strawberry,differ,exact,straightforward,breakthrough,disturbing,cast,altogether,objection,media,moral,ceiling,shortly,retire,assumption,merely,decoration,zebra,aloud2、认读词汇identical,nucleus,gene,somatic,embryo,fate,impact,extinct,popularity,Jurassic,bison,calf,DNA,habitat,restore,Auroch,Great Auk,Quagga3、词组cast down,object to,the media,in favour of,(be)bound to(do)…, from time to time, bring back to life, pay off4、重点词汇clone, commercial, producer,undertake, arbitrary,object ,forbid, accumulate bother, regulation, resist, unable, argument ,reasonable, obtain 结构Appositive clause — that 可引导同位语从句重点句子It is a way of…、P11The fact is that…、P11The question that occurred is…、P12How differently do people think of…、P14The…、is …but…P14The advantage is that…、P15How would you treat…、P54I don’t mind but…、P55I agree with you that…、P55III、教材分析与教材重组1、教材分析本单元以Cloning为话题,旨在通过单元教学,使学生了解克隆技术的优缺点,学会表达和支持个人观点,能用所学的有关Cloning的词汇去表述自己对这一新技术的观点和看法。
高中英语 Unit2 Cloning导学案 新人教版选修8
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Unit2 Cloning导学案学习目标:1.了解什么是克隆、克隆的利弊及对克隆技术的反思。
2. 掌握本单元教学目的和要求中的词汇和短语的用法。
3. 熟练掌握同位语的用法。
4. 进一步熟悉和运用有关接受与拒绝, 表扬与鼓励的表达方式。
课前预习I. Read the first text and choose the best answer.1. It can be inferred from the passage that a cloned animal _________.A. usually lives as long as the original oneB. usually lives longer than the original oneC. usually dies earlier than the original oneD. is usually as healthy as the original one2. The cloning of Dolly the sheep succeeded because ________.A. it’s 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 failed3. Dolly the sheep _________.A. looked exactly like the sheep that provided the eggB. was the exact copy of the sheep that provided the nucleus.C. looked like the sheep that gave birth to itD. had the characteristics of all three sheep4. We can use the skill of cloning to ________.A. bring about global peaceB. create other famous scientistsC. improve the development of learning languageD. cure some special diseases5. The main idea of the text is _________.A. animal cloning is very valuable and can benefit the wouldB. animal cloning could be misused by bad people so it must be forbiddenC. animal cloning is well developed because Dolly the sheep was bornD. animal cloning raised arguments and scientists are not sure about its future II. Read the passage and answer the following questions.1. What are the two major uses of cloning?_______________________________________________________________________________ _______________________________________________________________________________ ______2. Why do China and the UK not forbid cloning?__________________________________________________________________________________II. Read the passage carefully and find out the following phrases from the passage.1. 得到好结果; 取得成功; 偿清__________________2. 一方面, 另一方面_______________________3. 病重_________________4. 沮丧; 不愉快_________________5. 适合于…的;适当的_________________6. 引起了一阵强烈的反对_________________7. 对…有(或产生)巨大影响_________________8.(使人)长见识(或开眼界、认清事实)____________9. 实现某人的野心_________________III. Analyze these sentences and try to memorize them.1. ① _______ _______ ______ ________ _______ ________(接着传来……消息)Dolly hadbecome seriously ill.②The fact that she seemed to develop normally was very encouraging.③The questions that concerned all scientists were: “ Would this be a majordifficulty for all cloned animals.”2. Cloning plants is straightforward _______(然而) cloning animals is very complicated.3. Cloning scientists_______ _______ ________ ________ _______(沮丧地发现)thatDolly’s illnesses_______ _______ ___________ ________(更适合) a much olderanimal.4. Although at present human egg cells and embryos_______ _______ (需要)cloningresearch_______ _______ ________ ________(很难获得), newspapers _______ _____________ ________ _______ ________ clone themselves to attain their ambitions.(报纸报道有些邪恶头目希望克隆自己)Book8 Unit2 Cloning导学案知识梳理1.课本原句:Cloning animals is a difficult task ________ ________.undertake vt.(过去式________; 过去分词________) 着手;从事;承担undertake a task 承担一个任务 undertake responsibility承担责任2.课本原句:But at last ________________________________________________________(科学家的决心和耐心最终得到了回报)in 1996 with a breakthrough- the cloning of Dolly the sheep.pay off①vi.得到好结果,取得成功②vt.偿清;付清 pay sth. off e.g. pay off my debt 付清债务联系:__________________ 为某事付给某人钱 pay sb. to do sth. 花钱雇某人干某事pay back 偿还,归还3.课本原句:Cloning scientists _______ _______ ______(沮丧)to find that Dolly’s illnesses were more appropriate to a much older animal.cast vt. (过去式________; 过去分词________) 扔;投;掷cast down (_____动词短语) 沮丧;不愉快常用结构:be cast down by sth./to do sth.因(做)某事沮丧/不愉快He was much cast down by his failure to find work.他找不到工作十分泄气。
高考英语一轮复习 Unit 2 Cloning学案 新人教版选修8(2021年最新整理)
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Unit 2 Cloning克隆晨读·记忆Be Careful about CloningAfter a series of initial experiments and corrections, the scientist's hard work paid off when the twin clone turkeys were hatched with normal feather and claws. This breakthrough possibly enabled people to bring their adored pets back to life. However, it bothered him from time to time that their health was in poor condition because they were unable to resist illnesses。
This drawback cast him down。
Merely 2 weeks later, the clones and their carrier died, which struck frustration into his heart. He retired before he attained his ambition and became a member of an opera chorus to relieve his depression.Shortly afterwards, the media published a conservative argument objecting to cloning owing to moral problems, and suggested the constitution include compulsory regulations to forbid obtaining commercial profits from cloning.When interviewed, the scientist stared at the decorations on the ceiling, thinking for a while, and then said,“I’m not in favour of any arbitrary assumption, but undertaking cloning does differ from the straightforward procedure of making loafs out of flour. Until we accumulate enough exact knowledge, any practice is in vain and is bound to fail. Altogether, being more careful is reasonable or we may walk into a side road.”谨慎对待克隆在最初一系列的实验和修正之后,科学家的辛苦工作终于取得了成功,一对双生的克隆火鸡孵化出来,羽毛和爪子都很正常。
高中英语 Unit2 Cloning 第3课时导学案 新人教版选修8
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高中英语 Unit2 Cloning 第3课时导学案新人教版选修8Unit2 Cloning第3课时导学案新人教版选修8Teaching aim: 掌握科普文章的阅读方法及策略Teaching key points and difficultyHelp students analyze the reading technique of the article、学习过程:New words: 预习下列单词,并会默写1、精确的2、商业的3、坦率的4、着手,承担5、突破6、程序,步骤7、携带者8、总共9、任意的10、修改,改正11、反对12、媒介13、获得,赢得14、获得,到达15、道德的16、保守的,守旧的17、禁止18、积累Step1: Find out the main idea of each paragraph、Para1、Para2、 Para3、 Para4、 Para5、 (a)Cloning has two major uses、(d)The problems of Dolly、(b)The effect of Dolly、(c)It is forbidden to clone human beings、 (e)Cloning is a way of making an exact copy of another animal and plant、Step2 : Read the passage quickly and finish the following comprehensive exercises、 Choose the right answer according to the text、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 sheep、2、 It can be inferred from the passage that a cloned animal_____、A、 usually lives as long as the original oneB、 usually lives longer than the original oneC、 usually lives longer than the original oneD、 is usually as healthy as the original one3、 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 cloned、4、We can use the skill of cloning to __________、A、 bring about global peaceB、 create other famous scientistsC、 improve the development of learning languageD、 cure some special diseases5、 What are people cloning now ? __________A、 They are cloning trees, crops as well as animalsB、 They are cloning books and machinesC、 They are cloning humans and animalsD、 They are cloning plants and science Step3: Detail reading Fill in the chart using the information from the text、(1)Problems or dangers of cloning:a)Animalsmay_____ ________ _______ of older animals、b)Animal clones may _____ _______ than the donor animalsc)______ _____ may want to clone themselves、d)There are _________ __________ to cloning human beings、(2)Advantages of cloninga)Medical cloning could _______ ______ for serious degenerative(变质的)________ in humans、 b)Cloning plants can ______ _______ of similar _______ _______ ________、c)Cloning plants can be_____________ for research on new ________ ________ 、d) Cloning can help save ___________ _________ Ⅰ、课文词汇等填空(旨在复习本课文中的单词拼写和主要词语等)根据课文内容完成下面语法填空,注意单词拼写和词语用法:Cloning is a way of _____1_____(make)an exact copy of another animal or plant、 Cloning has two ___2____(主要的)uses、 Firstly, gardeners use it to produce plants、Secondly, it is ____3_____(value)for medical research on animals、 Cloning plants is straightforward but the cloning of animals ismore____4______(复杂的)、 The procedure is difficult to ____5_____(开展)、 In1996, scientists succeeded in___6_____(clone)Dolly the sheep、 Then came thedisturbing news that Dolly was ill、 _____7______ Dolly lived for six years, Dolly’s appearance raised a storm of _____8_____(object)、 Government became nervous and many ______9______(禁止)research into human cloning、 Scientists still____10______ whether cloning will help or harm us and where it is leading us、小结与反思家庭作业(独立完成后再看参考答案)、课文佳句背诵与仿写(旨在培养对难句的理解和写作能力)1、【原句】The fact that she seemed to develop normally was very encouraging、多莉看来是在正常地成长着,这很令人鼓舞。
高中英语人教版选修8Unit2CloningLanguagepoints教案(系列三)
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选修八Unit2 CloningPeriod2 Language points课前预习案Teaching aims: Learn how to use the new words1.differ vi. 相异,不同,意见分歧Think about how they differ.译:_________________________________________ differ from `````和····不同, differ greatly/widely 相差太大differ in 在····方面不同differ with `` on sth. 与···在···上持不同看法I differ with you on this matter. 关于此事,我和你意见不同。
My answer differs from yours. 我的答案与你的不同。
日语发音和法语大不相同。
____________________________________________________________________ 联想:be different from,difference.2 undertake (undertook, undertaken) It is a difficult task to undertake.(1)承担(工作,责任等),从事,着手担任I can undertake the responsibility for the changes.我愿意承接这项变革的责任。
(2)许诺,保证undertake to do sth. 许诺做某事、同意做某事undertake that 保证···翻译:He undertook to finish the job by Friday.___________________________________________________________________ 3. object 反对,拒绝,抗议,后跟to. 名词:物体,目标,对象We object to being treated like this.我们抗议受到如此的待遇。
人教英语选修八Unit2Cloning教案3
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Unit 2 CloningThe Third Period SpeakingTeaching goals1. Target languagea. 重点词汇和短语theme,fighting,conflict,argument,destruction,in one’s opinionb. 交际用语Expressing and supporting an opinionI would never accept...I’m not bothered about...I don’t mind but...I hope you’ll carry on...Are you sure you want to...?I agree with you that...Do you think it is wise to...?I think you should...Well done to you for...I can’t help thinking...I could never agree to...2. Ability goalsEnable the students to express their opinions about cloning using some useful expressions.3. Learning ability goalsHelp the students learn how to express their opinions.Teaching important pointsLearn to use the structures of expressing and supporting an opinion.Teaching difficult pointsHow to give a speech.Teaching methodsCooperative learning.Teaching aidsA computer & a projector.Teaching procedures & waysStep Ⅰ Lead-inT: Good morning / afternoon, boys and girls!Ss: Morning Mr...T: Last class we have talked about clone, we all know it is not a dream. Now everyone, if I give you a chance to clone what will you restore then?S: Edison, dinosaurs, Japanese wolf, Einstein.T: Do you want to clone Hitler?S: No. Hitler is a dangerous person.T: If some terrorists master this clone method, they may bring disasters. All your choices are excellent. Today we will learn another passage about cloning, from which we will know whether we can bring dinosaurs back to life.Ask the students to go through some facts of cloning.T: From these facts we know human beings have achieved great progress in cloning. Now read the text carefully to get the answers for these questions: what animals have people cloned?S: Frogs, mice, cows, sheep, bisons, cats, and dogs.T: Good job. Answer the question: What are the common characteristics of these animals?Ss: They are nowadays animals.T: Yeah, I think you must have seen the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs. Can we really clone dinosaurs now?Let the students turn to page 15 and then read the text quickly. Several minutes later. S: We cannot clone dinosaurs, because it’s difficult for us to get its DNA.T: Good job. It’s only a dream. Dinosaurs disappeared 65,000,000 year s ago. So the chance of dinosaurs ever returning to the earth is merely a dream.Step Ⅱ Read and answer (P16)To answer these three questions, teacher can give the students some examples as explanation, for example, Question 1.T: Now think about this question: if in the world there is only one sheep and human beings want to clone more. Some days later a Dolly appears, then many more. But one day all sheep get the same deadly disease. Now please think about what the results are. S: Maybe they would all die.T: Why?S: Because all sheep have the same arrangement of genes.T: Right. Now ca n you answer Question 1? Why shouldn’t you clone an extinct animal unless there is enough diversity in the group?S: It is useless to clone an animal if there is not enough diversity in the group for it to overcome illnesses.T: Why is it wrong to clone an extinct animal if it would have to live in a zoo?S: If the cloned animals have to live in the zoo, it is unfair to them. They need freedom.T. Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years?S: Dinosaurs disappeared 65,000,000 yeas ago. So the chance of dinosaurs returning to the earth is merely a dream.Step Ⅲ Discussion (Question 2)This is a speaking task. Ask the students to have a discussion in groups, organize theirwords properly, and give vivid description of the chosen animals.T: Now look at the table on page 16, discuss in pairs which extinct animals described are worth restoring by means of cloning. Choose one animal and use the information to help you argue why this animal should be restored to the earth.Give the students six minutes to discuss.S1: I think Great Auk is a wonder. Because it is a very large bird that cannot fly. The useful thing about it is that its feather doesn’t absorb water. I think if we wear clothes made of its feather, we will not worry about rain.S2: I agree with you. But I am happy to accept Dodo bird because it is friendly and not harmful. I like gentle animals. It can also lay large eggs and its meat is tasty, but I don’t think I will eat its meat.…T: From your answers I think these animals are all useful and they all should be restored to the earth. At the same time, we should try our best to protect them. Do you agree with me?S: Yes.Step Ⅳ Writing a report (P17)Deal with Questions three and four. Divide the whole class into four groups. Then they can have a competition.T: Now everyone, imagine all of you are owners of your chosen animal. Now work together, and give us a vivid description of your pet, then I will decide which one is the best to be resorted to the earth.Several minutes later, the students give performances. At the same time, list some major points on the blackboard.T: Well done everyone. It is really hard for me to choose, let us vote OK?Step Ⅴ TALKING (P55)Ask the students to talk about the questions with the teacher’s help.T: Look at the questions on page 54. Do you know how to show your opinion? You can discuss the following questions with your partner and use these expressions on page 54.1. How would you feel about having a clone of yourself in the family?2. What problems did you have growing up and how can you help him / her avoid them.HomeworkT: Write down your feelings and attitudes towards clone. Combine them into a composition.Sample version 1:In my opinion it is wrong to clone human beings. If my parents decide to have a clone made of me, I will feel very sad and I will never accept the clone as a member of my family or as my friend because I think it is unfair to natural things.We are all sons of nature, birth or death is a natural thing. The day we born, itdestined we are independent. Nobody has the right to change ourselves. If one day I were to be cloned to another person, he would kill me, because I lost some original characters. I hope we should respect human beings, and not change any original things.Sample version 2:I think the cloning represents the progress of the mankind. But it still has many problems to work out, the law, the ethic and especially the goals and purposes for cloning. However, we are actually doing much of this research for the improvement of life for humans. We should get benefit from cloning.In China, the government has put out written policy on human cloning. It has officially banned research on human cloning for reproduction purposes, but allows cloning on embryonic stem cells and remedial cloning. As we all known, everything can’t be perfect. We should treat the cloning with correct attitudes. We should know the advantages and disadvantages of cloning.。
高中英语人教版选修8学案Unit 2 Cloning 新学案第1课时
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1. Help the Ss know about cloning.
2. Develop students’ sense of cooperative learning.
学习
重点
1. Let students learn more about cloning.
2. Get students to learn different reading skills, especially the reading ability of understanding implied meaning of the author’s.
C. improve the development of learning language
D. cure some special diseases
5. What are people cloning now ? __________
A. They are cloning trees, crops as well as animals
二、新知应用
Reading
Listen to the tape and find out the main idea of each paragraph.
Para 1
It happens both in ______ and in_______. They can be cloned by ________ and _______.
教学内容
Book8 Unit 2 Cloning
教师个案
学生笔记
学
习
目
标
Knowledge aeful new words and expressions in this part:
2019-2020年高中英语《Unit 2 Cloning》 3学案 新人教版选修8
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2019-2020年高中英语《Unit 2 Cloning》 3学案新人教版选修8I. 单词拼写:1. The brothers d_____________ widely in their tastes.2. The question is quite s______________ , while that one is much more plicated.3. She r_____________ from the petition after pulling a leg muscle.4. Smoking is f_____________ in public places.5. His suggestion sounds quite r______________ to most of us.6. The film was a _______________ (商业的) success.7. I'd like to e, too, if you have no ____________(反对).8. He ____________ (仅仅)asked us our names.9. There were strong _______________ (争论) for and against the plan.10. He always managed to ______________(得到)what he wanted.II. 单项填空1. They have no idea at all ________.A. where he has goneB. where did he goC. which place has he goneD. where has he gone2. Your position is _________to your brother's.A. the sameB. identicalC. differentD. equal3. _______news came ________an unknown disease was spreading in the area .A. Disturbing ; thatB. Disturbed ; whichC. Disturbing ; whichD. Disturbed ; what4. He was _________down for several days after he heard the bad news .A. brokenB. castC. cutD. discouraged5. ______ what we have now, we can't afford so large a house.A. InB. AtC. WithD. Near6. Opening the book, she found in it a white, plain envelope with her name ______ on it.A. to printB. printedC. printingD. print7. Seeing your picture, I couldn't resist _______ the days _______ we spent together.A. to think of; whenB. to think of; whichC. thinking of; whichD. thinking of; when8. Are you suggesting that I _______ too old for the job?A. amB. should beC. beD. was9. His hard work paid ________ when he got the result.A. offB. overC. outD. back10. He is a cutler(刀具商),_________, a man who sells knives and sharp tools.A. in conclusionB. in generalC. what's moreD. that is to say11. One of the men held the view ________ the book said was right.A. what thatB. whatC. thatD. that what12. We thought of asking him for help, but we were _______ to get in touch with him at that time.A. happyB. anxiousC. easyD. unable13. He's _______ to fail the exam if he doesn't do any revision.A. nearB. fitC. boundD. easy14. Every possible means _______to prevent the air pollution, but the sky is still not clear.A. are being usedB. have been usedC. has been usedD. had been used15. ---- Catherine, I have cleaned the room for you.---- Thanks, you _______ it. I could manage it myself.A. needn't doB. needn't have doneC. mustn't doD.shouldn't have done。
2019-2020年高中英语《Unit2 Cloning 》导学案(三)新人教版选修8
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2019-2020年高中英语《Unit2 Cloning 》导学案(三)新人教版选修8一.导案1.反对,不赞成 vi. 2. 媒介,手段,工具n. →(pl)3. 获得,赢得vt4. 获得,到达(水平、年龄、状况等)vt.5. 道德(上)的,伦理的adj.6. 退休,离开vi .7积累,聚积(n) (vt) 8旁路,支线,岔道 .9支持;赞成反义词组 10禁止,不准 (vt)二.课内探究探究一:Important words and expressions1.object vi. 反对, 拒绝 vt. 提出……来反对 n. 物体, 宾语, 对象拒绝之理由常用搭配:object to/ against 反对(注意to是介词) object+从句【拓展】objection n.反对,异议,常用搭配:have/take/ feel an objection to…对……提出异议;对……表示反对My main objection to the plan is that it costs too much.我反对此计划的原因是花费太多。
2.forbid vt.禁止,不准注意:forbid的过去式和过去分词是:forbade, forbidden。
常用搭配:forbid doing禁止做某事 forbid sb. to do 禁止某人做某事forbid sb. from doing sth. 禁止某人做某事3. obtain vt. & vi. 得到,获得Further information can be obtained from head office by calling up the secretary.进一步的信息可以通过给秘书打电话从总公司获取。
辨析:get,obtain,acquire,gain(1)get指“以某种方法或手段得到某种东西”;(2)obtain是较正式用语, 常指“通过努力工作、奋力或请求而得到所需的东西”;(3)acquire强调“经过漫长的努力过程而逐渐获得”;(4)gain往往指“通过努力或有意识行动而获得某种有益或有利的东西”。
高中英语 Unit 2 Cloning教案 新人教版选修8
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Unit 2 Cloning【美文阅读】Pandas can be saved by cloning?从1998年中国科学院动物研究所首席科学家、动物克隆与受精生物学学科带头人陈大元首次正式提出克隆大熊猫到现在,整整16年过去了,陈老仍然执著于此。
然而保护大熊猫,究竟要不要通过克隆的方式呢?China has been exploring every possible means of saving giant pandas,one of the world's most endangered species,from becoming extinct,even if it means resorting to(诉诸) cloning them.Chen Dayuan,a senior scientist who specializes in cloning at the Institute of Zoology in the Chinese Academy of Sciences,introduced the idea of performing cloning techniques on giant pandas in 1998.Using initial funding of 100,000 yuan,Chen successfully produced blastocysts(胚泡) by transplanting the somatic nucleus from sample pandas into the egg cells of rabbits.The move was considered as one of the 10 biggest achievements of science and technology in 1999.It won an award of 6 million yuan and further funding of 5 million yuan for the project from the Ministry of Science and Technology.At first,two embryos were created from a surrogate mother(代母) cat who became pregnant after being injected with a blastocyst,but the experiment was abandoned after the cat died.Chen and his team then experimented with surrogacy on black bears.After three years of effort,a black bear became pregnant and the shape of a fetus(胎儿) could be seen on an ultrasound scan(超声波扫描检查).However,the research was stopped in 2005 because the fetus did not completely develop before the project's deadline.“Those who are against cloning have made their voices heard throughout the research project on cloning giant pandas.Some people believe cloning goes against nature,but it is actually a pioneering technology.If successful,it is a way to save endangered animals,”Chen said.Some scientists take a different view.“While I agree that research on c loningis meaningful,it is inappropriate to use giant pandas in this type of experiment.The number of pandas is limited and human beings have yet to master knowledge about pandas' pregnancy.Cloning would do little to save the species,”said Wang Dajun,a researcher at the School of Life Sciences,Peking University.In response,Chen said that he would continue his research.【诱思导学】1.Do you think pandas can be saved by cloning?Why?______________________________________________【答案】省略2.Why are some scientists against cloning pandas?______________________________________________【答案】Because they think cloning go against nature.Period ⅠPreviewing(教师用书独具)●教学目标本课时主要是通过学生对学案所给出的内容的学习,了解本课文中所出现的词汇,初步了解课文以及相关的背景知识,为下一堂课对课文的全面理解起到一个铺垫作用。
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Unit 2《Cloning》学案Learning aims:1.To know something about cloning, the advantages and disadvantages of cloning and people’s reaction to cloning;2.To grasp the keys words and phrases of the passage;3. To pay attention to some important sentencesProcedure:Ⅰ.Pre-reading:① What is cloning?② How much do you know about cloning?Ⅱ.While –reading:1.Read the passage carefully, divide the passage into four parts and sum up the general idea of each part.Part 1:Part 2:Part 3:Part 4:2. Read the paragraphs 3~5 and then discuss the following questions in groups of four.①What benefits can human beings gain from cloning? Please illustrate some examples.②Which sentence in the passage is the cloest in meaning to the following one?It was unfortunate that cloned mice and Dolly sheep developed illnesses and died young.③Translate the following sentence:It suddenly opened everybody’s eyes to the possibility of using cloning to cure serious illness and even to produce human beings.④Are you in favour of human cloning or do you object to human cloning? Why?(What problems may arise when humans are cloned?)⑤What’s the writer’s reaction towards cloning? Why?3. Read the fifth paragraph again and underline all the connective words: Ⅲ.Post-reading:Analyse the following sentences:①The fact is that these are both examples of natural clones.②The fact that she seemed to develop normally was very encouraging.③Then came the disturbing news that Dolly had become seriously ill.④The questions that concerned all scientists were: “…?”⑤It also happens in animals when twins identical in sex and appearance are produced from the same original egg.⑥Although 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.⑦Cloning scientists were cast down to find that Dolly’s illnesses were more appropriate to a much older animal.cf. I worked hard, only to fail at last.⑧Altogehter Dolly lived six and a half years, half the length of the lifeof the original sheep.Ⅳ.Check-up:1.The word “controversial” in para 4 probably means ____________.A. complicatedB. arguableC. important2.In the second paragraph, the wor d “straightforward” means ____.A. uncomplicatedB. honestC. frankD. difficult3.How many female sheep participate in the cloning of a new sheep?Ⅴ. Consolidation:Cloning is a way of making an exact of another animal or plant. It hastwo major uses. First, it can be used to produce quantities of plants for and this is very simple. Second, it is valuable foron new plant species and for medical research on animals. But this kind of cloning is very . With the efforts of scientists, Dolly the sheep came into the world in 1996. The whole world was about the appearanceof Dolly. But soon they was to hear the disturbing news that Dolly had become seriuosly ill. After living through six and a half years, Dolly died. The same fate happened to other species, such as cloned mice. Something they have in common is that they all live than the original animals. In the meantime, Dolly’s appearance raised a stormof . Some people was worried that evil leaders could clone themselvesto their ambitions and cloning may raise questions. However, some people are cloning human beings. They think scientists can produce human embryos for medical and use clonedhumans for organ transplants. At present governments are very . Some countries research into human cloning, but other countries continued to evidence of the abundant medical aid that cloning could provide. Where is cloning leading us? Only time can tell.Ⅵ.Homework:1.Read the passage again and find out all the noun clauses in the text.2. It is reported recenlty that a controversial doctor in America claimes to have cloned human embryos and transferred them to four women prepared to give birth to the first cloned babies.美国“克隆狂人”扎沃斯Write a short passage according to the following topic: Should human cloning be allowed?学习效果评估Ⅰ.Challenge yourself:Read the following discussion about cloning and choose the most suitable summary from this list marked A, B, C, D and E for each paragraph of the text in Boxes 1, 2, 3, 4 and 5. Notice there is extra heading in the list.1I definitely don’t think that human cloning should be permitted. It should be banned. I don’t understand how cloning a mammal was allowe d . I think it is unethical because if human cloning begins, sooner or later these scientists will believe they are “gods” …they want to do something thatis not intended for them. It’s not their job to create humans… I think our society will become a disa ster if isn’t on its way already.2People seem to misunderstand what the phrase “human cloning ” means. When they say that they’re for it, they explain the cloning of stem cells, whichI think is major good. And when against it, they’re talking about clon inga whole human, which I think might be very destructive in the long run. Does “human cloning ” mean cloning a human or cloning human cells?3I think cloning should and shouldn’t be allowed. Here’s what I mean. Say you keep cloning an endangered animal. I mean, it’ll help the economic system, but it’ll also result in the wipe out of that endangered species if a certain virus hit the animal. Cloning can be good also. If one of your organs goes “bad”, then you can replace it with the healthy clone’s organ. No more donating organs.4I agree with it because it has great benefits and can do a lot for our world and society. Some people do not want it because of religion or ignorance. This is a wonderful techonology that we should use. It can cure cancer and give transplants to people who need them. So I think anyone that is against it is ignorant. If it was one of their family members that needed a transplant, will they still object to cloning so strongly?Expressions to choose from: A. Cloning, a disaster to animals.B. A new technology. Why not?C. Cloning goes against ethics.D. Cloning? It depends.E. What “human cloning” refers to counts.Ⅱ.Complementary reading:Debate Follows US Finding That Cloned Animals Are SafeThe United States government has decided that food from cloned cattle, pigs and goats is safe to eat. The Food and Drug Administration also says it found no risks in meat and milk from offspring born to them.A clone is a genetic copy of an animal prized for its quality. A laboratory process develops a cell from the animal into an embryo. The embryo is put into a female animal which, if all goes well, gives birth to the clone.The F.D.A. looked at studies for several years before it announced its decision in a final report this month. The United States Department of Agriculture supported the findings. But it says time is needed to smooth the way for marketing meat and milk from clones. So, for now, the industry is being asked to continue a voluntary ban on such products.The idea of eating cloned animals rates low with the American public. Several major food companies say they have no immediate plans to get involved. The Food and Drug Administration will not require any product to be identified as coming from clones or their offspring. A producer would need approval to label a product "clone-free." The agency says that could be misleading because the food is no different from other food.But activists argue that the F.D.A. based its decision on incomplete research into possible risks. The Center for Food Safety criticized the use of studies supplied by cloning companies.Animal rights activists point out that cloning attempts often fail. They say cloning is cruel and can lead to suffering in clones born with abnormalities. Congress has been trying to get the F.D.A. to do more studies. But the agencynoted that experts in New Zealand and the European Union have come to the same findings about the safety of food from clones.Japan, South Korea and Taiwan say they want to study the issue further before taking action.Products from cloning may not be widely available for several years. Currently the United States has about six hundred animal clones.Clones are costly, which is why most are used for breeding. The Agriculture Department says few clones will ever become food. Their traditionally bred offspring would enter the food supply instead.The first mammal cloned from an adult cell was Dolly the sheep, born in Scotland in nineteen ninety-six. But the F.D.A. says it could not decide about the safety of food from clones of sheep or other animals besides cattle, pigs and goats.Two Identical MenIs it true that there is no person identical to another in the world? Some say that it is hard to find two identical leaves, to say nothing of two identical human beings. However, our world is all-embracing and human beings can create any miracle.One day, at the turn of the 20th century, Italian King Victor Emmanuel Ⅲand his generals went to a restaurant. During the meal, the king looked fixedly at the restaurant owner, who was directing his men to serve the customers. To his great surprise, the king found the owner identical to him in appearance and figure. When he saw the king looking exactly like him, the owner was also greatly surprised. When they exchanged greetings, they were amazed to find their voices were also identical.During their talk, they found more identical things between themselves. The owner was also named Victor. The two Victors had been born on the same date,and had got married on the same day. They became good friends from this first meeting.。