揭阳三中 广东省揭阳市第三中学人教版高中英语选修八课件Unit2 Cloning Using language

Animal testing, also known as animal experimentation or animal research, is the use of non-human animals in experiments. Pre-listening Is cloning with animals cruel? Think of your point of view and talk with your partner. Xiao Qing and Rachel are discussing whether cloning is cruel to animals or not. Listen and see whether you agree with Xiao Qing or Rachel. 1. Do you know anything about dinosaurs? 2. Have you ever seen the film Jurassic Park ? Enjoy some pictures about dinosaurs. 暴龙 tyrannosaurus 剑龙 stegosaurs 角龙 ceratopsids 翼龙 pterodactyl 雷龙 brontosaurus Does the author believe the dinosaurs can be cloned? 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 cloning C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs returning to the earth 1. The film Jurassic Park is popular because _____. A. people are interested in the subject of cloning B. all the actors are dinosaurs C. it was directed by a scientist who clones dinosaurs D. it proves very interesting Choose the best answers. A 2. Which of the following is true? ____ A. Mice were cloned in 1981. B. Dolly the sheep was the first cloned animal. C. The name of the cloned cow is “Bison” D. China was successful in cloning mammals. 3. 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 isn t enough diversity in the group for it to overcome illnesses C. the illness is a new one D. their arrangement of genes can not resist that new disease Fill in the blanks according to the text. ordinary people Reasons diversity suitable habitat merely a dream Conclusion We can infer from the text that _____. A. scientists are experimenting to clone dinosaurs B. dinosaurs will never return to the earth C. cloned animals will only live in the zoo D. the DNA of dinosaurs can only survive 10000 year True or false according to the text. 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 clone any extinct animals, we should let them live in a zoo. F F F Others will survive and pass on the ability to resist that disease to the next generation. 其他的将存活下来并传递其后代抵抗 这种病的能力。 resist [ 词义 ] vt. 抵制 , 抵抗 [ 派生词 ] resistance n. 抵抗 , 反抗 ; 抗性 ; 抵 抗力 ; 耐性 resistant adj. 抵抗的 ; 防 …… 的；抗 …… 的 resister n. 抵抗者 resistibility n. 可抵抗性；抵抗力 [ 常用搭配 ] resist sth. /doing sth. 抵制某事 / 做某事 can t resist sth./ doing sth. 禁不住某事 / 做某事 resist the enemy/ temptation 抵抗敌人 / 抵制诱惑 根据汉字提示完成句子。 We are determined to stay and ______________ . Tom ________________________ about his strange hairstyle. Quite a few people in power _________ _____________________ and disobey the law. can t resist the temptation of money resist the enemy couldn t resist playing jokes Although a teenager, Peter resisted ____ what to do and what not to do. A. telling B. being told C. to tell D. to be told 【解析】 B 考查 resist 的用法。 resist doing sth. 抵制做某事 , 且主语 Peter 和 tell 之间是被动关系 , 故 B 正确。 B 1. The popularity of films such as Jurassic Park , in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people s hearts. 在《侏罗纪公园》这部电影中 , 有一 位科学家克隆了好几种不同的绝种恐龙。 类似这样的电影很受欢迎 , 证明了这一 想法使人们感到既兴奋又恐惧。 in which 引导定语从句 , how 引导宾语 从句。 2. From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through cloning. 人们时常设想灭绝的动物 , 例如恐龙 , 有可能通过克隆技术使它们复活。 from time to time 有时 , 间或 , 偶尔 , = occasionally, now and then 。 3. Diversity in a group means having animals with their genes arranged in different ways . 群中的多样性指的是拥有基因排列方 式不同的动物。 with their genes arranged in different ways 作定语 , in different ways 以不同 的方式。 base on/upon 以 …… 为基础 , 依据 其结构为 : base sth. on/upon sth. is based on/upon 4. Based on what we know now, you cannot clone animals that have been extinct longer than 10000 years. 据我们现在所知 , 绝种一万年以上的 动物不能克隆。 Choose the right answer. 1. … proves how the idea struck a mixture of fear and excitement into people s hearts. A. have sth. on the brain B. confused C. droved people crazy D. scared 2. People suggest that extinct animals like dinosaurs, can possibly be brought back to life . A. kept up B. resist C. live on D. relived 3. The initial requirement is that you need perfect DNA. A. most thankful B. most pressing C. most difficult D. most needed 4. All efforts of cloning an animal will be in vain if there is not enough diversity… A. go to west B. useless C. helpless D. meaningless 5. Others will survive and pass on the ability to resist that disease to the next generation. A. oppose B. slide C. hire D. indicate 6. So the chance of dinosaurs ever returning to the earth is merely a dream. A. only B. surely C. abruptly D. miserably May the best animal win! Which extinct animals are worth restoring by means of cloning? Look at the table on page 16 and look for some information on the internet to help you and choose one of them to talk with your partner.

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