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1、高二英语学案(模块8)Unit 2 Using languagePeriod 3 The return of the dinosaurs?Learning aims: 1. Remember these words: clone differ exact commercial straightforward procedure undertake breakthrough disturbing cast arbitrary object media moral forbid accumulate shortly retire bother assumption regulation resis
2、t merely decoration argument aloud reasonable obtain翼龙pterodactyl霸王龙tyrannosaurus2. Remember these phrases: cast down object to in favour of be bound to from time to time bring back to life pay off undertake a project attempt doing(to do) on the other hand have a great impact on 剑龙stegosaurs一、课前探究,自
3、主学习 A.重点单词1.vi.不同 2.adj.简单的、直接的 3.vt.从事、承担 4.n.突破 5.vt.扔、投 6.vt.禁止 7.vt. 积累、聚积 _8.adv.立刻、不久 9.vt.vi.n.打扰、操心、烦扰 10.n.假定、设想 11.vt.抵抗、对抗 12.n.装饰 13.adj.合情理的 14.vt.获得、得到. B.重点短语1.使沮丧 _ 2.更适合于 _ 3.对有冲击 _ 4.赞成;支持 _ 5.反对 _ 6.注定 _ 7.不时;偶尔 _ 8.使复生 _9.偿清;得到好结果 10.对有价值_二、阅读提高(Cloning: The return of the dinosau
4、rs?)A. Choose the best one.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 cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs ret
5、urning to the earth2. The film Jurassic Park is popular because _. A. people are interested in the subject of cloning B. all the actors are dinosaursC. it was directed by a scientist who clones dinosaursD. it proves very interesting3. Which of the following is true? _A. Mice were cloned in 1981.B. D
6、olly the sheep was the first cloned animal.C. The name of the cloned cow is “Bison”D. China was successful in cloning mammals.4. The reasons why a group of cloned animals all die of the same illness do NOT include_. A. they have the same arrangement of genes B. there isnt enough diversity in the gro
7、up for it to overcome illnessesC. the illness is a new oneD. their arrangement of genes can not resist that new disease5. We can infer from the text that_ A. scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned animals will only live in the zooD. the DN
8、A of dinosaurs can only survive 10 000 yearB. True or false:( ) 1. Scientists are still experimenting with cloning mammals because they think it can make money. ( ) 2. The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. ( ) 3. If we can clon
9、e any extinct animals, we should let them live in a zoo. 三、知识点解析(Learn by yourselves)1. strike v. 过去式 过去分词 观察实例:She fell, striking her head against the side of the boat.她摔倒时头撞在船舷上。One man was struck on the head with a stick. 一名男子头部遭到棍击。An idea suddenly struck me. 我心中忽然产生一个念头。The workers were strikin
10、g because they wanted more money. 归纳:be struck by/with 被打动;迷恋某人或某物strike into ones heart It strikes me that 我突然想到,我觉得即时练习:It suddenly me how we could improve the situation.The ghost story fear of the children.2. From time to time people suggest that the animals that have disappeared from the earth,
11、like dinosaurs, can possibly be brought back to life through cloning. 人们时常设想从地球上消失的动物,例如恐龙,有可能通过克隆技术使它们复活。from time to time = occasionally, now and then。 - Do you often eat out?- No. We only go to the restaurant .I still see her _, but not very often.A from time to time B in time C all the time D at
12、 all times他不时去钓鱼。 bring sb/sth back to life Flowers can bring a dull room back to life. Its reported that Israeli(以色列) scientists have _ a seed of more than 2,000 years back to life recently. A sent B brought C given D come 医生使病人醒过了啦。 bring sth back The photographs brought back memories of his childhood. 3All efforts of cloning an animal will be in vain if there is not enough