山东省寿光中学高中英语 Unit2 Cloning导学案 新人教版选修8.doc

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 one b. usually lives longer than the original one c. usually dies earlier than the original one d. is usually as healthy as the original one2. the cloning of dolly the sheep succeeded because _. a. its easier to clone a sheep than other animals b. the scientists were determined and worked hard with patience c. the scientists were rewarded and got lots of money d. 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 it d. had the characteristics of all three sheep4. we can use the skill of cloning to _. a. bring about global peace b. create other famous scientists c. improve the development of learning language d. 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 futureii. 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. _ _ _ _ _ _(接着传来消息)dolly had become seriously ill. the fact that she seemed to develop normally was very encouraging. the questions that concerned all scientists were: “ would this be a major difficulty for all cloned animals.”2. cloning plants is straightforward _(然而) cloning animals is very complicated.3. cloning scientists_ _ _ _ _(沮丧地发现)that dollys illnesses_ _ _ _(更适合) a much older animal.4. although at present human egg cells and embryos_ _ （需要）cloning research_ _ _ _（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 off vi.得到好结果，取得成功 vt.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 dollys 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。4.课本原句：on the other hand, dollys appearance_（引起了一阵强烈的反对） and _（产生了极大的影响）the media and public imagination.(1)raise vt. 本意：举起；提起 引申意：唤起；引起；使出现raise moral questions提出道德方面的问题 raise a cloud of dust 扬起一片尘土增加，提高raise public awareness of environmental protection 提高公众的环保意识raise sbs spirits使振奋；使鼓起勇气筹募 raise/collect money for charity进行慈善募捐饲养，抚养(2) 不赞成；反对；异议n._ 联系：object vi.反对；不赞成object to sb./sth. 反对某人/某事 object to (sb.)doing sth.反对（某人）做某事object n._; _;_ objective n. 目标；目的 adj.客观的 （联系：subjective adj.主观的）5.课本原句：some began to _（改革司法制度并禁止对-的研究）human cloning, but other countries like china and the uk, continued to _（收集证据）of the abundant medical aid that cloning could provide.(1)forbid vt. (过去式_/_; 过去分词_)禁止；不准+名词、代词、动名词 smoking is forbidden in the concert hall.forbid sb. to do sth. 禁止某人做某事 most parents forbid their children to smoke.+双宾语 即：forbid sb. sth. 禁止某人某事his parents forbid him wine= his parents forbid him to drink wine.他的父母不准他喝酒。forbid sb. from doing sth. 禁止/阻止某人做某事（联系keep/ stop/ prevent）he forbade them from mentioning this subject again.他不准他们再提到这个问题。(2) accumulate vt.&vi.积累；聚积 强调“经过一段比较长的时间由少积多的积累”，使用范围较广，似乎凡是数量方面的增长都可以表示。联系：collect 收集collect data/evidence收集资料/证据（业余爱好）收藏；收集 collect stamps/postcards 集邮；收藏明信片领取；接走 collect the rubbish 收运垃圾 collect/pick up her son from school到学校接儿子gather vt.& vi. （使）聚集 mary gathered the children around her.玛丽把孩子们聚集在她周围。采集（花等） 收（庄稼等）6.课本原句：you owe the lady an apology. （课本13页原句）owe vt. 欠（帐、钱、人情等） 结构：owe sb sth./ owe sth to sb欠某人帐、钱、人情等how much do i owe you for the groceries? 买这些杂货我得给你多少钱？you owe it to your staff to be honest with them.翻译_归功于 结构：owe sth to sb /owe sb sth.he owes his success to hard work.他的成功是靠勤奋工作。i owe it to the doctor that i am still alive. 我仍然能活着，要归功于那位医生。7.课本原句：however, the problem that she later developed （汉意_）a serious lung disease bothered scientists.bother vt.打扰 bother sb. (with/about sth.)使某人烦恼/担忧(某事)-im sorry he was so rude to you. -对不起，他对你太没礼貌了。-it doesnt bother me. -_.(汉意)固定搭配：be bothered (about sb./ sth.) 认为（某人或某事）重要；关心（某人或某事）cant be bothered to do sth.不想花时间/精力做某事vi.操心 bother with/about sth.花费时间、精力做某事n. 烦扰8. in favor of 支持，赞成be for/ against 赞成/ 反对in sbs favor 有利于、有助于某人得到某人的赞同、尊重等this concert is loved by lots of my classmates, but it is not in everyones_.a. smell b. taste c. favor d. soundbook8 unit2 cloning导学案 第三课时i. read the text and do the following exercises.1. the writer of the text _. a. is excited by the possibility of cloning fierce and extinct animals. b. believes that extinct animals can be brought back to life by cloning. c. thinks it impossible or unsuitable to clone extinct animals like dinosaurs. d. dreams of dinosaurs returning to the earth.2. the reasons why a group of cloned animals all die of the same disease do not include_. a. they have the same arrangement of genes. b. there isnt enough diversity in the group for them to overcome illnesses. c. the illness is a new one. d. their arrangement of genes can not resist that new disease.3. we can infer from the text that _. a. scientists are experimenting to clone dinosaurs. b. dinosaurs will never return to the earth. c. cloned animals will only live in the zoo. d. the dna of dinosaurs can only survive10,000 years. 4. what is the initial requirement of cloning an extinct animal?_5. why is it wrong to clone an extinct animal if it would live in a zoo?_ii. read the passage and find out the following phrases from the passage on page13-17.1. 回首(往事); 回顾; 回忆_ 2. 一定或注定(做) _3. 使刻骨铭心_ 4. 不时，偶尔_5. 使复生; 使复活 _ 6. 白费力气; 枉费心机_7. 战胜疾病_ 8. 转交 （用后）递给；传给_9. 过-的生活_ 10. 状况很好(坏)；情况很好(坏) _iii. analyze these sentences of the second text and translate them into chinese.1. unfortunately,_ _ _ _ _(据我们现在所知) , this is either impossible or unsuitable.2. diversity in a group means_(have) animals _ _ _ _in different ways.(这群动物的基因要以不同的方式排列)3. _ _ _ _ _ _ (就我们现在所知), you cannot clone animals that have been extinct longer than 10,000 years.iv. 知识梳理：1.课本原句：the popularity of films such as jurassic park, _ _ a scientist clones several kinds of extinct dinosaurs, proves _ the idea _ a _ of fear and excitement into peoples hearts. 类似这样的电影很受欢迎，证明了这一想法使人们感到既兴奋又恐惧。strike vt.& vi.( (过去式_; 过去分词_)打；撞击 罢工 （灾难、疾病）侵袭那一地区爆发了霍乱。_（钟）鸣；敲；报时 the clock has just struck three.strike into ones heart 使刻骨铭心be struck by/on/with sb./sth.被某人/某物打动；迷恋某人/某物2.课本原句：the advantage is_ _ there is a new illness some of these animals may die, but others will survive and _ _ _ _ _ _that disease _the next generation.(把抵抗的能力传递给)(1)resist 抵抗；对抗resist +n./-ing although a child, my son can resist being told what to do and what not to do.(2)注意以下句型;the fact/ the result/ the reason is that-the advantage is that- 其优点是-the problem is that- 问题是-the drawback is that- 缺点是-3. bring back to life 使复生；使复活come to ones life 苏醒过来 come to life 变的生动/活跃 bring sth to life 使生动/有趣 4. in good/ poor condition 状况很好/坏; 情况很好/坏out of condition/ in no condition 健康状况不佳on no condition 无论如何都不，决不 （同义词组：_ _ _ _)on condition that/under the condition that条件是they agreed to lend us the car on condition that we returned it before the weekend.book8 unit2 cloning导学案答案课前预习i. cbbddii. 1. the first use is to produce commercial quantities of plants; the second is to research on new plants species and do medical research on animals.2. because they want to accumulate evidence of the abundant medical aid that cloning could provide.iii. 1. pay off 2. on the one hand, on the other hand 3. become seriously ill 4. cast down5. be appropriate to/ for 6. raise a storm of objections 7. have /make a great/ strong impact on 8. open sbs eyes (to sth.) 9. attain ones ambitionsiv. 1. then came the disturbing news that 2. while 3. were cast down to find，were more appropriate to4. needed for，are difficult to obtain，wrote of evil leaders hoping to第二课时1. to undertake undertook undertaken2. the determination and patience of the scientists paid off, pay (sb) money for sth.3. were cast down cast cast 及物4. raised a storm of objections had a great impact on(2)objection 物体