英语选修8人教新课标UNIT 2四川课件：PERIODⅠ（40张）.ppt

1、菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学【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？菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 The move was considered as one of the 10 bigges

2、t 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 in jectedwith a blasto

3、cyst，but the experiment was abandoned after the cat died.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 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 r

4、esearch was stopped in 2005 because the fetus did not completely develop before the projects deadline.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学“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

5、it is actually a pioneering technology.If successful，it is a way to save endangered animals，”Chen said.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 Some scientists take a different view.“While I agree that research on cloning is meaningful，it is inappropriate to use giant pandas in this type of experiment.Thenumb

6、er 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.菜单教学目标分析教学方案设计新课标 英语选修8 课前

7、自主导学【诱思导学】1Do 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.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学教师用书独具演示 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。菜单教学目标分析教学方案设计新课

8、标 英语选修8 课前自主导学 教学地位 本单元的中心话题是“克隆”。克隆意为无性繁殖，克隆技术即是无性繁殖技术。1997年英国罗斯林研究所试验成功的克隆羊多莉是首次利用体细胞克隆成功的，它在生物工程史上揭开了新的一页。本单元内容具体涉及“什么是克隆”、“克隆羊多莉是如何诞生的”、“克隆的利弊”等。语言技能和语言知识都是围绕“克隆”这一中心话题设计的。目的在于让他们了解有关克隆的知识和科普文章的一些基本特征和写作方法，自己尝试写简单的辩论报告。菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 新课导入建议 可以通过让学生看和讨论教材P10的“热身”(Warming Up)的图片：克隆

9、羊多莉、人类的双胞胎、草莓的自然无性繁殖以及插枝繁殖的植物等导入新课。要求学生分组讨论，了解两种不同的克隆：自然克隆和人工克隆。为下面的阅读做好铺垫。老师要尽量给学生自主学习的时间和空间，通过自学、自做、自悟、自助等方式，让学生更好地体会和理解文章的内容。菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修

10、8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学演示结束菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学.篇章结构 阅读P1112的Reading部分，然后完成下列表格Cloning：Where is

11、 it leading us？ParagraphMain ideaContents1The definition(定义)of cloningCloning is a way of making an 1._ another animal or plant.It happens both in plants and animals.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学2The major 2._ of cloning Firstly，gardeners use it to produce commercial 3._.Secondly，it is valuable for

12、 research on new plant species and for medical research on animals.3The problems of DollyAt first she seemed to develop normally.Then came 4._ that she had become seriously ill，which 5._ cloning scientists.Dolly lived only six and a half years，6._ the life of the original sheep.Cloning scientists wo

13、ndered now to overcome the problems.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学4The effect of DollyIts appearance raised a storm of 7._ and had a great impact on media and public imagination.Italso occured to people that they can cure serious illnesses and even to produce 8._ using cloning.5Peoples reaction tocl

14、oningGovernment became 9._.Some began to 10._ research into human cloning.Scientists still wonder whether cloning will help or harm us and where it is leading us.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学【答 案】1.exact copy of2.uses3.quantities of plants 4the disturbing news5.cast down6.half the length of7.object

15、ions8.human beings9.nervous and more conservative10.forbid菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学.语篇理解 阅读P1112的Reading部分，选择最佳答案 1What are people cloning now?AThey are cloning books and machines.BThey are cloning humans and animals.CThey are cloning trees，crops，grass，flowers，etc.，as well as animals.菜单教学目标分析教学

16、方案设计新课标 英语选修8 课前自主导学 2It can be inferred from the passage that a cloned animal_.Ausually lives as long as the original one Busually lives longer than the original one Cusually lives shorter than the original one 3 The cloning of Dolly the sheep succeeded because _.Ait is easier to clone a sheep than

17、 other animals B the scientists were determined and worked hard with patience Cit is more useful than plants菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 4 From the passage，we can see _.ADollys original sheep lived 13 years BDollys baby was also a cloned one Cnewspapers did not disclose cloning sheep 5 We can use

18、the skill of cloning to_.Abring about global peace Bcreate other famous scientists Ccure some special diseases【答案】15C C B A C菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学.课文缩写 Cloning is a way of making an 1._ copy of another animal or plant.Cloningplants is 2._ while cloning animals is very complicated.It is a di

19、fficult task to 3._.Many attempts to clone mammals failed.Butat last the determination and patience of scientists 4._ in 1996 with a 5._the cloning of Dolly the sheep.Dollysappearance raised storm of 6._ and had a great 7._ on the 8._ and public imagination.Altogether Dolly lived six and a half year

20、s，half the length of the original sheep.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 At present some countries began to reform their legal systems and 9._ research into human cloning，but other countries like China and the UK，continued to 10._ evidence of the abundant medical aid that cloning could provide.【答案】1.e

21、xact2.straightforward3.undertake 4paid off5.breakthrough6.objections7.impact 8media9.forbade/forbad10.accumulate菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学.短语填空 in favour of；pay off；object to；from time to time；cast down；differ from；have an impact on 1Ja

22、ck is really having a hard timehe cant earn enough money to _ the debts.2At the UN conference，China strongly _punishing the Arabic countries by force.3 The people are much _ by many years of civil war.菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 4Fashion designers are always changing styles of dress _ to make mor

23、e money from ladies.5Are you _ the governments plan to build more railway lines?【答 案】1.pay off2.objected to3.cast down4.from time to time5.in favour of菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学.句型背诵 1 Cloning plants is straightforward while cloning animals is very complicated.克隆植物简单，但克隆动物就很复杂了。2The fact that sh

24、e seemed to develop normally was very encouraging.看来多莉是在正常地成长着，这很令人鼓舞。3Then_came the disturbing news that Dolly had become seriously ill.接着传来了多莉病重的坏消息。菜单教学目标分析教学方案设计新课标 英语选修8 课前自主导学 4Although 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.尽管目前供克隆研究的人类的卵细胞和胚胎很难获得，报纸报道说，有些邪恶头目希望把自己克隆出来以实现他们的野心。