人教版高二英语选修八第二单元学案含答案(共14页).doc

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1、精选优质文档-倾情为你奉上Unit 2 Cloning （Module 8）Period 1 Reading: Cloning: Where is it leading us Class： Name： _ Group： No：_Learning Objectives:1.Learn the useful new words and expressions.2.Read the passage and learn some information about cloning.Learning Key Points: 1.Grasp the important words and expressi

2、ons in the reading material.2. Learn the text and master the major uses of cloning and the success and problem of cloning Dolly the sheep.Learning Difficult Points: 1. Improve the reading ability. 2. Learn the reading skills: scanning and skimming.Assessment: Learning Procedures:I. 【Pre-class homewo

3、rk】A. Warming up There are two kinds of clones, a natural clone and a man-made clone. Do you know what is a natural clone? And what is a man-made clone?A natural clone is one that _Man-made clone is one that _B. Pre-reading Background reading:Scottish scientists at Roslyn Institute created the much-

4、celebrated sheep Dolly, aroused worldwide interest and concern because of its scientific and ethical implications. She was the first mammal to be cloned from adult DNA taken from an adult cell. Previously, animals had only been cloned using embryo(胚胎) cells which already have the potential to become

5、 a complete embryo in its own right. The big breakthrough with Dolly was to make a clone from an ordinary, adult cell in this case from a female goats udder. Questions: 1. How does Dolly differ from other sheep?She was _ by humans while the others were born naturally. So, Dolly was a _ sheep.2. Shou

6、ld we clone a human?Assessment: II. 【While-class】Step1. Lead-in Step2. Group discussion Step3Consolidation1. Reading 1. Fill in the form.ParaMain idea of each paragraphDetailsSummary1The _ of cloningCloning is way of (1) _ of another animals or plant.The passagemainly tells us_2The _usesFirstly, to

7、produce (2) _quantities of plants.Secondly, for research on (3) _ and for(4) _ research on animals.3The _of DollyDollys illness were more appropriate to (5) _;Dollys lived only (6) _ thelength of the life of the original sheep;The same arbitrary fate affected (7) _.4The _of DollyRaised a storm of (8

8、) _and had a great impact on (9) _;(10) _ peoples eyes.5Peoples _toward cloningEvil leaders hope to (11) _;Religious leaders raised (12) _;Governments became (13) _;China and the UK continued to (14)_.II. Post-reading A. 做朗声p23. B. Read the text again and fill in the blanks. Cloning is a way of maki

9、ng an 1._ (exactly) copy of another animal or plant. It has two major uses .2. _, gardeners use it to earn profits. Secondly, it is valuable for research on new plant species and 3._ medical research on animals. Although cloning mammals is difficult 4._ (undertake), the determination and patience of

10、 the scientists 5._ (pay) off in 1996. The fact 6._ she seemed to develop normally was very 7._(encourage). But she had half of the 8._ (long ) of the original sheep, 9._ arose scientists concern. Up to now, cloning is still 10. _ (controversy).Step4PresentationStep5SummaryIII.【Post-class】Key:【Pre-c

11、lass homework】A. Warming up:A natural clone is one that occurs in a natural form of cloning without human help.Man-made clone is one that is produced through human intervention(介入) .B. Pre-reading Questions: 1. She was cloned by humans while the others were born naturally. So, Dolly was a cloned she

12、ep.2.In my opinion, I do not agree, for it may cause many moral problems.【While-class】2. Reading ParaMain idea of each paraDetailsSummary1The definition of cloning Cloning is way of (1) making an exact copy of another animals or plant.The passagemainly tells uswhat cloning is and its two major uses.

13、 It also discusses the problems and effects of Dolly, the cloned sheep , and peoples attitudes toward cloning.2The two majorusesFirstly, to produce (2) commercial quantities of plants.Secondly, for research on (3) new plant species and for (4) medical research on animals.3The problemsof DollyDollys

14、illness were more appropriate to (5) a much older animal;Dollys lived only (6) half thelength of the life of the original sheep;The same arbitrary fate affected (7) otherspecies.4The effects of DollyRaised a storm of (8) objections;and had a great impact on (9) the media and public imagination; (10)

15、 Opened peoples eyes.5Peoples attitudes toward cloningEvil leaders hope to (11) clone themselves;Religious leaders raised (12) moral questions;Governments became (13) nervous and more conservative;China and the UK continued to (14) accumulate evidence.2.Fill in the blanks1.exact 2. Firstly, 3. For 4

16、. to undertake. 5, paid 6,that 7. encouraging 8. length9, which 10, controversialPeriod 2 Language points in Reading 1Class： Name： _ Group： No：_Learning Objectives:1.Learn and grasp the important useful new words and expressions.2. Learn the important useful sentences and patterns.3. Make sentences

17、after the useful expressions.Learning Key Points: Grasp the usages of such important new words and expressions.Learning Difficult Points: Understand some difficult and long sentences.Assessment: Learning Procedures:.【Pre-class homework】A. Phrases:1. 与不同11. 对产生影响2一项难以承担的任务12. 媒体3得到回报13. 变得有争议的4一方面另一方

18、面14. 打开眼界5. 令人感到不安的消息15. 邪恶头目6沮丧，不愉快16. 道德问题7. 适合于17. 变得谨慎的8. 无法控制的命运18. 收集证据9. 改进19. 赞成10. 一阵强烈的反对20. 反对B. Sentences(尽量用同位语从句翻译下列句子):1. 采纳新规则的建议是主席提出来的。(rule, adopt, suggestion,)2.汤姆是否干这项工作，这个问题需要考虑。(consideration )3.我还没有得到确切的消息， 他什么时候出发。(exact news)4.我们根本不知道他去哪儿了。（have no idea）Assessment: .【While-

19、class】Step1. Lead-in Step2. Group discussion Step3Consolidation. Sentences1. Cloning plants is straightforward while cloning animals is very complicated. 翻译：_ (1) 中译英：中国人喜欢红色，而西方人则偏爱白色。_【比较】while 和 but(2) This TV is of high quality, _ its too expensive.(3) This TV is of high quality, _ that one is m

20、uch cheaper. Which one should I choose?2. It is a difficult task to undertake. 翻译：_中译英: (1) 这个房间住起来很舒服。 _ (2) 你认为这水喝起来安全吗？ _ (3) 我们可担当这项工作令我们的父母很欣慰。 _. 3. Then came the disturbing news that Dolly had become seriously ill.翻译：_ 中译英：(1) 所有学生冲了了出去。(out) _ (2) 上课铃声响了。(there) _ (3) 最令人激动的时刻到了。(finally) _4

21、. Some began to reform their legal systems and forbade research into human cloning.翻译：_ 中译英：(1) 此处禁止吸烟。 _ (2) 法律禁止在此处进行修建。 _ (3) 他的父母禁止他再喝酒。 _Step4PresentationStep5SummaryIII.【Post-class】Self- reflectionI enjoyed learning about: I found these words useful:I found these expressions useful: I have lea

22、rned about: Some examples: Keys:. Phrases1. differ from 11. have an impact on2. a difficult task to undertake12. the media3. pay off13. become controversial4. on the one hand on the other hand 14. open ones eyes5. the disturbing news15. evil leaders6. cast down16. moral questions7. be appropriate to

23、17. become conservative 8. the arbitrary fate18. accumulate evidence9. make corrections19. (be) in favour of 10. a storm of objections20. (be) against B. sentences:1. The suggestion came from the chairman that the new rule be adopted./ The chairman put up with the suggestion that the new rule be ado

24、pted.2. The question whether Tom will do the work requires consideration. 3. I havent got the exact news what time / when he will set off.4. we have no idea at all where he has gone. Sentences1. 翻译：克隆植物简单，而克隆动物就非常复杂了。 (1) 中译英：中国人喜欢红色，而西方人则偏爱白色。Chinese people love the red color while westerners prefe

25、r white.【比较】while 和 but(2) This TV is of high quality, but its too expensive.(3) This TV is of high quality, while that one is much cheaper. Which one should I choose?2 翻译：这是一项难以承担的任务.中译英: (1) 这个房间住起来很舒服。The room is comfortable to live in. (2) 你认为这水喝起来安全吗？Do you think the water is safe to drink? (3)

26、 That we can undertake the job made our parents very pleased. 3. 翻译：接着传来了令人不安的消息，多莉病重了。 中译英：(1) Out rushed all the students. (2) There goes the bell. (3) Finally came the exciting moment.4.翻译：有些（政府）开始改革法律体系并禁止对人类克隆的研究。 中译英：(1) Smoking is forbidden here. (2) The law forbids building here. (3) His par

27、ents forbade his drinking again. / His parents forbade him drinking again. / His parents forbade him to drink again. / His parents forbade him from drinking again.Period 3 Grammar: Grammar: to be +pp/not/never to be +ppClass： Name： _ Group： No：_Learning Objectives:1. Learn and master the Appositive2

28、. Use the structure correctly and properly according to the context.Learning Key Points: Learn about the use of the AppositiveLearning Difficult Points: Grasp the skills needed to use the AppositiveAssessment: Learning Procedures:.【Pre-class homework】A. 请划出下列句子中的同位语。1. George Bush, the former Americ

29、an president, was the governor of the state of Texas.2. He enjoys the exercise, swimming in winter.3. There is one thing he will never do tell lies.4. He, short and thin, is unfit for the job.5. As the head of the company, he had to explain what had happened.6. You have yet to answer my question whe

30、ther you can lend me your bike. B. 请从课文中找出含有同位语的句子。(用红线划出)C. 请用正确的连接词填空1.对你生病这件事，他们都很焦虑。They were all very much worried over the fact _ you were sick.2.德国已对俄国宣战的消息一大早就传来了。Early in the day came the news _ Germany had declared war on Russia.3.我不知道他是否来。I have no idea _ hell come or not. 4.谁该干这项工作，这个问题需

31、要考虑。The question _ should do the work requires consideration.5.什么时候去度暑假，这个问题我们还没有决定。We havent yet settled the question _ we are going to spend our summer vacation.6.那是一个他如何做了此事的问题It is a question _ he did it.7. 他总是问他自己接下来做什么的问题。 He always asks himself the question _ is to be done next.8. 在这么短的时间里，从哪

32、里得到这么多的钱仍旧是个问题。It remains a question_ we can get so much money in such a short time.9. 医生做了很多努力来减少这个病人对于死与这个疾病的恐惧。The doctor did a lot to reduce the patients fear _ he would die of the disease.10. 他突然想到敌人可能已经逃出城了。 The thought came to him _ maybe the enemy had fled the city. 语法归纳: 1. 引导同位语从句的连接词有： _2

33、. 同位语从句常说明的抽象名词有：_Assessment: .【While-class】Step1. Lead-in Step2. Group discussion Step3ConsolidationA. 单项对比填空，并区分同位语从句与定语从句。1(1) As to his being late, she seemed not satisfied with his reason _ he got up too late. (2) The reason _ he was late was that he got up late. (3) The reason _ he gave for hi

34、s delay was not accepted.2. (1) The problem _ we are facing now is how we can raise so much money. (2) The question _ he is sure to win the game is hard to answer.3. (1) The order _ the officer gave was to attack the enemy at once. (2) The officer gave the order _ the soldiers should attack the enem

35、y at once.4. The assistant put forward a suggestion, _ was turned downed by the manager. The suggestion _ we learn a third foreign language was very practical. B.根据中文意思补充句子。1. 你知道什么时候开始吗？Have you got any idea _?2. 有一项建议是我们每天大声朗读半小时英语。There is a suggestion _.3.我们要求这个事情明天解决。_ that this should be settl

36、ed tomorrow.4.我们将会讨论下运动会要不要推迟。We will discuss the _ our sports meeting should be put off.C. 用同位语从句翻译下列句子。1. Mike 承诺说他会承担这项任务。(promise, undertake)2对于是否允许进行克隆人的实验有一个激烈的争论。(debate)3. 大多数人持有严禁克隆人的观点。(view, forbid)4. 科学家们也不知道克隆人将在什么时候诞生。(idea)Step4PresentationStep5SummaryKeys: . 请划出下列句子中的同位语。1. George Bu

37、sh, the former American president, was the governor of the state of Texas.2. He enjoys the exercise, swimming in winter.3. There is one thing he will never do tell lies.4. He, short and thin, is unfit for the job.5. As the head of the company, he had to explain what had happened.6. You have yet to answer my question whether you can lend me your bike. . 请从课文中找出含有同位语的句子。1. But at last the determination and patience of the scientists paid off in 1996 with a breakthrough the cloning of Dolly the sheep.2. The fact that she seemed