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1、Look at the following picture and think which film it is from. Have you ever seen the film Jurassic Park? Why do people like this film? What animals do you see in the film? Are they real? 2. Do you think it is possible to clone dinosaurs?Extensive readingGive some reasons why it is either impossible
2、 or unsuitable to clone extinct animals.Reason 1:Reason 2:Reason 3:_ is needed.There is not enough _ for cloned animals to _ new diseases.It would be _ to clone any extinct animals if they would have to live in a zoo.Perfect DNAdiversityovercomeunfairRead the text and answer the questions. Why shoul
3、dt you clone an extinct animal unless there is enough diversity in the group?There will not be enough genetic variation in the group to be able to resist new illnesses.2. Why is it wrong to clone an extinct animal if it would live in a zoo? It is not a good idea to clone an animal that would live in
4、 a zoo because it is not a suitable habitat to develop and increase its numbers.The zoo is not a natural environment for a wild animal.Choose synonyms1. 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. Scar
5、ed2. From time to time people suggest that extinct animals A. There was a time when B. Occasionally C. All the time D. Each timeA B 3. The initial requirement is that you need perfect DNA. A. Most thankful B. most pressing C. most difficult D. most needed4. All efforts of cloning an animal will be i
6、n vain if there is not enough diversity. A. Go to wast B. useless C. helpless D. meaninglessD B5. The chance of dinosaurs ever returning to the earth is merely a dream. A. only B. surely C. abruptly D. miserably A 1. The popularity of the film Jurassic Park, in which a scientist clones several diffe
7、rent kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into peoples heart. 电影侏罗纪公园的受欢迎证实了普通人对电影侏罗纪公园的受欢迎证实了普通人对这一话题是多么感兴趣这一话题是多么感兴趣, 在该电影中一位在该电影中一位科学家克隆了几种不同的绝种恐龙。科学家克隆了几种不同的绝种恐龙。本句是一个复合句本句是一个复合句, in which引导非限制引导非限制性定语从句性定语从句, 修饰修饰 “the film”; how引导宾语引导宾语从句从句, 作
8、作prove的宾语。的宾语。Language Pointsstrikestrike v.v. (struck; struck / stricken)vt.突然想到突然想到 ；猛地意识到；猛地意识到 sth strike sbA good idea_.她突然想到一个好主意。她突然想到一个好主意。 It strikes sb that_I should apologize to her too.我意识到自己也该向她道歉。我意识到自己也该向她道歉。 sth strike sb (as)给某人给某人的印象的印象, 让让觉得觉得It strikes me_.我觉得这个主意好极了我觉得这个主意好极了.Yo
9、ur jokes _funny.我觉得你的笑话很好笑。我觉得你的笑话很好笑。struck herstruck me as being veryIt struck me thatas a good ideastrike v.2) vt. hit A snowball _.The area _by an outbreak of cholera.We _the citizens.我们被市民的慷慨大方感动了。我们被市民的慷慨大方感动了。3) strike a match 划火柴划火柴4） vt&vi. 报时报时The church clock_.(开始敲响十二点开始敲响十二点)began to str
10、ike twelvestruck him on the headwas strickenwere struck by the generosity of（击打；侵袭；打动）（击打；侵袭；打动）strike v.&n.5）vi. 罢工罢工 strike (for sth)They decide to_. strike into ones heart 使某人感到刻骨铭使某人感到刻骨铭心的心的The word “cancer” still _. (使许多人感到恐惧使许多人感到恐惧)6) n. 罢工；攻击罢工；攻击 go on strike 去罢工去罢工 launch a strike 发动袭击发动袭
11、击strike for a pay increasemany peoples heartsstrikes terror into 2. 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. 人们时常设想从地球上消失的动物人们时常设想从地球上消失的动物,例如恐龙例如恐龙,有可能通过克隆技术使它有可能通过克隆技术使它们复活。们复活。from
12、 time to time有时有时, 间或间或, 偶尔偶尔,= occasionally, now and then。bring back to life 使复生，复活使复生，复活In spring, everything_. 春天，春天， 万物复苏。万物复苏。Among the extinct animals ,the dodo is _.bring back to life 使使恢复生气恢复生气 Flowers can bring a dull room back to life. 鲜花能鲜花能使使沉闷的房间沉闷的房间恢复生气恢复生气。is brought back to lifethe
13、most suitable animal to bring back to life3. initialadj. 第一的，最初的，开始的第一的，最初的，开始的 first ; happening at the beginningIn the initial stages在最初阶段在最初阶段_to decline the offer.我的第一反应是婉言谢绝这个提议。我的第一反应是婉言谢绝这个提议。My initial reaction was4. All efforts of cloning an animal will be in vain if there is not enough div
14、ersity in the group for it to overcome illnesses. in vain without success in spite of your efforts 徒劳徒劳; 白费力气白费力气我们的所有努力都付之东流了。我们的所有努力都付之东流了。All our efforts _.我想带苏一起来，但没成功。我想带苏一起来，但没成功。I _ to come with us.我极力劝说她放弃，但是枉费口舌。我极力劝说她放弃，但是枉费口舌。I _.were in vaintried in vain to get Suetried in vain to persua
15、de her to give it up vain adj. 徒劳的徒劳的vain attempt/ hope/ effort徒劳的尝试徒劳的尝试/ 希望希望/ 努力努力She closed her eyes tightly _to hold back the tears.I knocked the door loudly _ that someone might answer.a vain threat / promise空洞的威胁空洞的威胁/承诺承诺in the vain hopein a vain attempt / effort5. Diversity in a group means
16、 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群中的多样性指的是拥有基因排列方式不同的动物。式不同的动物。 with their genes arranged in different ways作作定语定语, in different ways 以不以不同的方式。同的方式。with 的复合结构也可作定语的复合结构也可作定语 They came to a river with red flowers and green grass on both banks. I lost a case
17、_with “IX” marked on its back6. .but others will survive and pass on the ability to resist that disease to the next generation. pass on1) 遗传遗传给给; 传染传染给给 Parents can _. I didnt go to work, because I didnt want to _.2) 转交；（用后）传给；递给转交；（用后）传给；递给 I _my mother. _when you have finished reading it.pass on H
18、IV to their childrenpass my cold on to anyonepassed your message on toPass the book on to me resist not to be harmed or damaged by 不受不受的伤害；抗的伤害；抗 A healthy diet should help your body_ This material can _.2) refuse to accept sth. and try to stop it from happening 抵制；阻挡抵制；阻挡 resist (doing) sth.It make
19、s no sense to _.3) fight back when attacked 抵抗；回击抵抗；回击 vt. & vi. The escaped prisoner was shot because he resisted. 1)The escaped prisoner was shot because he resisted arrest.resist infectionresist heatresist change resist4) (常用于否定句）忍住；抵挡常用于否定句）忍住；抵挡 cant resist (doing) sth 忍不住做某事忍不住做某事I just_ _.我就是
20、无法抗拒巧克力的诱惑。我就是无法抗拒巧克力的诱惑。I _. 我忍不住笑了。我忍不住笑了。拓展：拓展：resistance n. 抵制；抗拒抵制；抗拒cant resist （the temptation of )could hardly resist laughingchocolates7. drawback n. 不利条件，缺点不利条件，缺点 ( = a disadvantage or problem ) the drawback of/ to sth the drawback of/ to doing sth_is the cost.它的主要缺点是成本高。它的主要缺点是成本高。This _
21、 the new system.这是引进新系统的一大弊端这是引进新系统的一大弊端 。The main drawback to/of itis one major drawback of / to introducing8. Based on what we know now, you cannot clone animals that have been extinct longer than 10,000 years. Based on what we know now是过去分词短语是过去分词短语作状语作状语, 意为意为 “根据我们现在所知根据我们现在所知”。 He made a descr
22、iption of the criminal _. 2. Today people make choices about their eating1. habits _.based on his memorybased on what they believe9.merely adv. 仅仅；只不过仅仅；只不过_, but a way of life.这不仅仅是一份工作，而且是一种生活方式。这不仅仅是一份工作，而且是一种生活方式。only adj. 仅有的，唯一的仅有的，唯一的 adv. 仅仅；只不过仅仅；只不过Its the _way to solve the problem.I _look
23、ed at the cake; I didnt touch it.onlyonly/ merelyIts not merely a jobBased on what we know now, you cannot clone animals that have been extinct longer than 10,000 years. Maybe we can clone animals that died out less than 10,000 years ago. Aurochs (1627)Dodo bird (1755)Quagga (1883)Read the informati
24、on on page 16 and discuss: uWhich extinct animals are worth restoring by means of cloning?uGive your reasons.Read the short writing “Lets bring the dodo back to life” on page 17, and pay attention to the structure. Declare the writers _ : the dodo is the most suitable animal to bring back to life. G
25、ive the _.position / opinionreasons The _ of restoring the dodo Draw a _ / Make a _ The reasons why it is unsuitable to clone the other three.The reason why it is possible to clone the dodo. the aurochsthe great aukthe quaggabenefitsconclusionsummaryNew Words and Expressions decoration n. U 装饰；装潢装饰；
26、装潢 Students like to buy balloons _ when they hold a party. (2) C 装饰品装饰品 On Christmas trees , you can see a lot of _.for decorationdecorations2. unable adj. 不能的；不会的不能的；不会的 be unable to do sthThe dodo _.I _._, he made himself understood by means of signs. He lay there, _.is unable to flywas unable to
27、get in touch with himUnable to speakunable to move3. restore vt. 使使恢复；使恢复；使复原复原 restore the palace restore normal relations restore to It was hard to _ _. He is now fully restored to health. 2) 恢复（感受）恢复（感受） The great success restored his confidence / hope.restore the church to what it used to be4. i
28、n good conditionbe in good / excellent / perfect conditionThe car_. 这辆汽车状况完好。这辆汽车状况完好。 be in bad / poor/ awful condition 状况很坏状况很坏The road _.【扩展】【扩展】 out of condition 身体状况欠佳身体状况欠佳The horse _after a serious illness.is still in perfect conditionis still out of conditionis in bad condition5. adore vtlik
29、e sth. very much I simply _!She _.2) love sb. very much 敬慕，爱慕敬慕，爱慕 It is obvious that she adores the great writer.adore his musicadores working with children6. reasonable adj. 1）sensible 有头脑的有头脑的; 理智的理智的 a reasonable person 2) 公平的；讲道理的公平的；讲道理的 _! You cant expect her to do all the work on her own. 要讲
30、道理呀，你不能指望她一个人做所有的工作。要讲道理呀，你不能指望她一个人做所有的工作。3) 公道的公道的 We sell goods_. 我们以公道的价格出售产品。我们以公道的价格出售产品。Be reasonableat reasonable pricesIs cloning cruel? Listen and see whether you agree with Xiao Qing or Rachel.1 Read these statements before listening. Tick those that you hear. 1. Cloning will bring dead pe
31、ts to life. 2. There were 627 experiments before Dolly was successfully cloned. 3. Cloning may help cure serious illnesses. 4. Its a dead end. 5. Dolly the sheep was “middle-aged” when she was born. 6. So your grandmother would be able to start her life all over again and live much longer. 1 It took
32、 _before the success so that many live cells and eggs died1. They may _ peoples favorite pets_ 2 It makes animals do _things 3. Cloning may help medical science produce_ _4 It _ the species. Cloning means theres less _ to resist illnesses.2. It is always like that with _. That is the way people lear
33、n to do better.Marys ideas about cloning: cloning is_.Xiao Qings ideas about cloning: scientists are _.crueldoing a wonderful job276 experimentsbringback to lifeunnaturala new sciencecures forserious diseases4. Scientists would try to _.3 It is _ because clones are born middle-aged or old.weakenvarietysolve the problema dead end41 结束语结束语