1、人教课标高二 选修 8Unit 21.Do you know anything about dinosaurs?2.Have you ever seen the film Jurassic Park?Enjoy some pictures about dinosaurs.Enjoy some pictures about dinosaurs.暴龙tyrannosaurus剑龙stegosaurs角龙ceratopsids翼龙pterodactyl雷龙brontosaurusDoes the author believe the dinosaurs can be cloned?The write
2、r 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 returning to the earth1.The film Jurassic Par
3、k 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 interestingChoose the best answers.A2.Which of the following is true?_A.Mice were cloned in 1981.B.Dolly the sheep was the fi
4、rst 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 isnt enough diversity in the group for it to overcome illnesses
5、 C.the illness is a new one D.their arrangement of genes can not resist that new diseaseFill in the blanks according to the text.People interested inNot only film makers but also _._ for its impossibility Perfect DNA is needed.There is not enough _ in the group.A(n)_ would be needed for the cloned e
6、xtinct animals.ordinary peopleReasonsdiversitysuitable habitat_The chance of dinosaurs returning to the earth is _.merely a dreamConclusion 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
7、the zooD.the DNA of dinosaurs can only survive 10000 yearTrue 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.
8、If we can clone any extinct animals,we should let them live in a zoo.FFFOthers 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
9、resist sth./doing sth.抵制某事/做某事cant 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。(1)We are determined to stay and _(抵抗敌人).(2)Tom _(忍不住开玩笑)about his strange hairstyle.(3)Quite a few people in power _ _(抵制不住金钱的诱惑)and disobey the law.cant resist the temptation of moneyr
10、esist the enemycouldnt resist playing jokes()Although a teenager,Peter resisted _ what to do and what not to do.A.telling B.being toldC.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。B1.The popularity of films such as Jurassic Park,in which a scientist clones
11、 several kinds of extinct dinosaurs,proves how the idea struck a mixture of fear and excitement into peoples 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 b
12、ack 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
13、on/upon 以为基础,依据其结构为:base sth.on/uponsth.is based on/upon4.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 peoples hearts.A.have sth.on t
14、he brain B.confusedC.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 needed4.Al
15、l efforts of cloning an animal will be in vain if there is not enough diversity A.go to west B.useless C.helpless D.meaningless5.Others will survive and pass on the ability to resist that disease to the next generation.A.oppose B.slide C.hire D.indicate6.So the chance of dinosaurs ever returning to
16、the earth is merely a dream.A.only B.surely C.abruptly D.miserablyMay 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.Animal testi
17、ng,also known as animal experimentation or animal research,is the use of non-human animals in experiments.Pre-listeningIs 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 wh
18、ether you agree with Xiao Qing or Rachel.1.Read these statements before listening.Tick those that you hear.Cloning will bring dead pets to life.There were 627 experiments before Dolly was successfully cloned.Cloning may help cure serious illnesses.Its a dead end.Dolly the sheep was“middle-aged”when
19、she was born.So your grandmother would be able to start her life all over again and live much longer.2.Listen to the tape again and fill in the chart.Rachels ideas about cloningXiao Qings ideas about cloning1 cruel to animals 1 scientists are doing a wonderful job2 makes the animals do unnatural thi
20、ngs2 may bring peoples favourite pets back to lifeMarys ideas about cloningXiao Qings ideas about cloning4 weakens the species4 it may provide cures for serious illnesses3 it is a“dead end”3 problems because it is a new science3.Whose ideas do you agree with?Get ready to have a class discussion.Thin
21、k about the reasons for your point of view.Use your own ideas as well as those in the text.Sample dialogueXIAO:I agree with animals cloning.I think we must be safe so animals are needed to test things first.LEI:No,I cant agree with that because animals are alive too.Dont they deserve a good life?DAV
22、E:I agree with XIAO because we wont know if cloning is safe for humans unless we try it on animals first.LILY:How can you believe that?Leis argument is correct.If we make animals live unnatural lives and do unnatural things,then it wont be good for them or us.XIAO:But the scientists are trying their
23、 best to make things better for the animals.They want them to have as natural a life as possible.Your ideas are not reasonable.Unless we try things out on animals,cloning may not be safe for human beings.DAVE:Your arguments have convinced me,Xiao.I will vote with you.LILY:Leis arguments sound more encouraging to me.I support a better life for animals used in cloning experiments.LEI:Thank you Lily.Thank you for your support.The rest two Aurochs and Quaggaare left for you.Follow the examples,and write your own report.
