陕西省榆林育才中学高中英语 Unit 2 Cloning III Using Language导学案 新人教版选修8(1).doc

陕西省榆林育才中学高中英语 unit 2 cloning iii using language导学案 新人教版选修8step 1 vocabulary： preview the new words and phrases of this text.1._ 使.刻骨铭心2. 分娩3. 不时；偶尔 4. 徒劳5. 将某物传递给某人 6. _死于 7. _注定 8 . _过着.的 生活9. _以.为基础 10. _ 弄清楚step 2 warming up1. do you know dinosaurs? where have you seen them? can you see them in our real life? why?2. do you think it is possible to clone dinosaurs? if yes, do you think thats good for human beings? why?探究案step3 reading task 1: fast reading do the author believe the dinosaurs can return to the earth?task 2:careful readinggive some reasons why it is either impossible or unsuitable to clone extinct animals.reason 1: _ is needed.reason 2: there is not enough _ in the group to _.reason 3: a (n) _ would be needed for the cloned extinct animals.task 3. comprehendinganswer the following questions:1. why shouldnt you clone an extinct animal if there isnt enough diversity in the group? _.2. why is it wrong to clone an extinct animal if it would have to live in a zoo? _.3. why cant you clone the dna of animals that have been extinct longer than 10,000 years? _.训练案task 4 exploring 1.choose synonyms（选择同义词）1. it proves how the idea struck a mixture of fear and excitement into peoples hearts. a. have on the brain b. confused c. droved people crazy d. scared2. from time to time people suggest that extinct animals a. there was a time when b. occasionally c. all the time d. each time3. people suggest that dinosaurs, can possibly be brought back to life. a. kept up b. resist c. live on d. relived4. the initial requirement is that you need perfect dna. a. most thankful b. most pressing c. most difficult d. original and basic5. all efforts of cloning an animal will be in vain if there is not enough diversity. a. go to waste b. useless c. helpless d. meaningless6. others will pass on the ability to resist that disease. a. oppose b. slide c. hire d. indicate7. the chance of dinosaurs ever returning to the earth is merely a dream. a. only b. surely c. abruptly d. miserably 2. read the text again, find out the sentences and analyze them. (重点、长难句分析)1. 【原句再现】the popularity of the film jurassic park, in which a scientist clones several different kinds of extinct dinosaurs, proves how interested ordinary people are in the subject.译：_.句式透析in which引导_, 修饰_。how引导_。【高考链接】many people who had seen the film were afraid to go to the forest when theyremembered the scenes _ people were eaten by the tiger. (05广东) a. in which b. by which c. which d. that2. 【原文再现】from time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning.译：_.【归纳总结】from time to time_，_，_，等于_,_。即时翻译: （1）他有时变得很没有道理。_.（2）他们有时吵架。 _.3. 【原文再现】it is useless to clone an animal if there is not enough diversity in the group for it to overcome illnesses. 译：_.句式透析当_、_或_作主语时, 通常把它们放在谓语之后, 而用_作句子的形式主语。即时练习 (1)_ will take you a lot of time to find him in the crowd. a. it b. i c. wed. they (2)how long _to finish the work? a. youll take b. will take you c. youll take it d. will it take you (3)_ needs further discussion whether well build a library or not. a. we b. he c. it d. that 4.【原文再现】diversity in a group means having animals with their genes arranged in different ways. 译：_.句式透析 with their genes arranged in different ways作_, in different ways 意思是_。5. 【原文再现】.but others will survive and pass on the ability to resist that disease to their children.译：_.归纳拓展: resist作及物动词主要有三个义项：_，_；_；（与cannot， could not 连用）_,_。即时翻译: (1)我无法抵挡巧克力。_.(2)他们决定留下来抵抗敌人。_.