人教新课标Book8unit2同位语从句学案学生用

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。

Unit 2 CloningⅢ. 教材分析和教材重组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。

1.1 Warming Up提供了四幅有关Dolly the sheep(多莉羊)，A strawberry plant(草莓植物)，Identical dogs(克隆狗) ，Twins（双胞胎婴儿）的图片，让学生用已有的知识和经验讨论对克隆技术的看法与观点。

1.2 Listening是关于人类克隆的听力材料，难度中等。

1.3 Speaking根据材料，四人小组合作，要求把自己对克隆婴儿的态度和感觉用相关的语言表达出来。

语言要得体，锻炼语段表达能力。

1.4 Pre-reading是Reading的热身活动，它要求采用与同学讨论交流的方式谈论有关克隆的相关知识。

1.5 Reading是一篇介绍克隆技术的说明文。

1.6 Comprehending第一题所给出的表格让学生根据课文内容列举克隆技术的优缺点；第二题让学生根据所拥有的知识来评价作者的观点；第三题要求学生用自己的语言阐述对克隆技术的观点并给出理由。

1.7 Learning about Language分词汇和语法两部分，其中Discovering useful words and expressions 是根据语境在运用中掌握词汇。

Discovering useful structures 是通过阅读和补全句子来练习。

1.8 Using Language中的Reading，Discussingand writing要求学生先读, 然后再完成四个任务型的作业，即 1. 讨论并回答三个问题；2. 讨论几种已经灭绝的动物，并且讨论哪种动物应该被恢复到这个世界上，并且给出理由；3. Listening and speaking 让学生根据所听到的内容选择并列出文中人物观点。

Section ⅢGrammar——复习同位语(词、短语、从句)[思维导图][语法精讲]一、同位语1．定义同位语是句子成分的一种。

它位于名词、代词后面，说明它们的性质和情况。

它可以由名词、代词、数词、动名词、不定式及从句等来充当。

2．表现形式(1)名词、代词或数词充当同位语I have the honor to introduce John's sister, Jane to you.我很荣幸地向你介绍简，约翰的妹妹。

(名词Jane作同位语)I sympathize with you; I myself have had a similar unhappy experience.我很同情你，我自己也有过类似的不幸遭遇。

(反身代词myself作同位语)She is the oldest among them six.她是她们六人中年龄最大的。

(数词six作同位语)(2)动名词(短语)和不定式(短语)充当同位语He enjoys the exercise, swimming in winter.他喜爱冬泳这项运动。

(动名词短语swimming in winter作同位语)Is this your purpose, to avoid being punished?逃避惩罚，这就是你的目的？(不定式短语to avoid being punished作同位语)(3)由such as, that is, of, or等引导的同位语Some subjects, such as maths and physics, are very difficult to learn.某些学科，例如数学和物理，是很难学的。

二、同位语从句1．定义在复合句中用作同位语的从句称为同位语从句。

同位语从句是名词性从句的一种。

它一般放在fact, news, idea, truth, hope, problem, information, belief, thought, doubt, promise, question等抽象名词的后面，对前面的名词作进一步的解释，说明前面名词的具体含义。

人教版高中英语选修8Unit2《Cloning》word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. 把握本单元教学目的和要求中的词汇和短语的用法。

3. 熟练把握同位语的用法。

4. 进一步熟悉和运用有关同意与拒绝, 夸奖与鼓舞的表达方式。

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）庞大阻碍_________________8.（使人）长知识（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_______ _______ ________ ________ _______(沮丧地发觉)thatDolly’s illnesses_______ _______ ___________ ________(更适合) a much olderanimal.4. Although at present human egg cells and embryos_______ _______ （需要）cloningresearch_______ _______ ________ ________（专门难获得）, newspapers ______________ ______ ________ _______ ________ clone themselves to attain their ambitions.（报纸报道有些邪恶头目期望克隆自己）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。

人教新课标高中英语选修8第二单元Book8Unit2Cloning学案含答案-精选教学文档Unit 2 Cloning （Book 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 expressions 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.Help Ss improve the s tudents’ reading ability.2. Ss learn the reading skills: scanning and skimming.Assessment: Learning Procedures:I.【Pre-class homework】Scan the text and choose the best answer.1. The main idea of the text is _____________.A. animal cloning is very valuable and can benefit the worldB. 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 future2. Which of the following statements about cloning is NOTtrue according to the text?A. Cloning is something that has been developed quite recently.B. Twains that look exactly the same are originally from the same egg.C. Cloning is used by gardeners to make more money.D. Animal cloning is much more difficult than plant cloning.3. The lamb is the clone of the cell from sheep B because ______________.A. it provides the egg cellB. it gives birth to the lambC. it provides the nucleusD. it is a female sheep4. Which of the following is NOT a problem or danger of cloning mentioned in the text?A. Evil leaders may want to clone themselves.B. Animal clones may develop the illness of older animals and may die younger than thedonor animals.C. There are moral objections to cloning human beings.D. Too much cloning may lead to the destruction of the balance of nature.5. 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. Famous persons who have passed away can be cloned.D. Cloning can help keep animals from becoming extinct.6. We can infer from the last three paragraphs that _____________.A. The normal development of Dolly had no effect on thecloning of other species.B. Dolly’s serious disease and final death disturbed everyone in the world.C. Dolly successfully cloned a new lamb with the help of cloning scientists.D. There were arguments about animal cloning and concerns about the future of cloning.7. What is the writer’s attitude toward cloning in the passage?A. The writer is against cloning.B. The writer is in favour of cloning.C. The writer does not state any personal opinion about cloning .D. The writer is in agreement with cloning .II.【While-class】Assessment: Step1. Lead-inStep2. Group discussionStep3. ConsolidationRead the text carefully and answer the following questions.1. How many major uses does cloning have?_____________________________________________________________2. What is used in the procedure for cloning Dolly the sheep?________________________________________________3. What can we infer from the last paragraph?4. Find out the main idea of each paragraph:Para.1:_________________________________________________________ __ Para.2:___________________________________________________________ Para.3:___________________________________________________________ Para.4:___________________________________________________________ Para.5:___________________________________________________________ 5.Read the text again and fill in the blanks.Cloning is a way of making 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 the scientists 5.____________ (pay) off in 2019. 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.____________ aro se scientists’concern. Up to now, cloning is still10. _________________ (controversy).Keys:【Pre-class homework】1.D2.A3.C4.D5.C6.D7.CStep3. Consolidation1. It has two major uses. Firstly, gardeners use it all the time to produce commercialquantities of plants. Secondly, it is valuable for research on new plant species and for medical research on animals.2. The nucleus of sheep B.3. Some governments will permit research into human cloning with aim of medical aid.4. Para.1: The definition of cloningPara.2: The two major uses of cloningPara.3: The problems of Dolly the sheepPara.4：The attitudes towards Dolly’s appearancePara 5: The effect of cloning in society5. Fill in the blanks1.exact2. Firstly,3. For4. to undertake. 5, paid 6,that 7. encouraging 8. length9, which 10, controversialUnit 2 Cloning （Book 8）Period 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 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.Learning Procedures:Assessment: Ⅰ.【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. Make sentences.1. differ________________________________________________________________ ___________ 2. object________________________________________________________________ ___________ 3. pay off________________________________________________________________ ___________ 4. bother5. vain________________________________________________________________ ___________ 6. obtain________________________________________________________________ ___________ 7. cast down________________________________________________________________ ___________ 8. be bound to …________________________________________________________________ ___________ Ⅱ.【While-class】Assessment: Step1. Lead-inStep2. Group discussionStep3．ConsolidationSentences1. 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。

---------------------------------------------------------------最新资料推荐------------------------------------------------------人教课标版高中英语选修8Unit 2同位语从句(共17张PPT)---- 同位语从句 1. Jim, my deskmate, loves playing basketball. 句句 1 中的Jim 和my deskmate 指的是_____________ 所以my deskmate 是Jim 的_____________ 句句2 中的our head teacher 和Mr. Liu 指的是____________ 所以Mr. Liu 是our head teacher 的____________ 2. If you want to leave, you must get the permission of our head teacher ， Mr. Liu. 小结：同位语是________________________________ 一、画横线两部分是什么关系，在句中充当什么成分。

同一个人同位语同一个人同位语对一个名词或代词进行说明或者解释的成分 2. The thought that they could cross the whole continent was exciting. 1. I don t know about the fact that he is a teacher. 3. The idea that computers can recognize human voices surprises many people. 句子中的同位语成分不是词组，而是________, 对前面的_____ 名词进行解释、_____ 的从句称其为_____________ 小结：二、找出句子中被解释说明的名词/ 代词，以及其同位语。