1、Unit 3 Science and natureSection Welcome to the unit & Reading课后篇巩固提升一、写作词汇检测根据每一组的提示词,完成或者翻译句子。1.exact1)I read an article about paper,to be ,how much paper Americans use up each year?2)确切地说,他七点半到。答案1)exact2)Exactly speaking/To be exact,he will arrive at 7:30.2.anxious1)Theres a lot of among the sta
2、ff about possible job losses.2)他对未来感到忧虑。答案1)anxiety2)He is anxious about his future.3.consequence1)If climate changes continue,we will suffer the .2)由于懒,他至今没找到工作。答案1)consequences2)As a consequence of laziness,he hasnt found a job till now.4.intend1)With the of looking for a good job,he went to Beiji
3、ng.2)他打算找份兼职工作。答案1)intention2)He intended to look for a part-time job.5.harvest1)There is a big of rice in my hometown.2)他们正在收割水稻。答案1)harvest2)They are harvesting rice.二、阅读词汇阅读下列句子,说出黑体词或词组的含义1.He presented a new concept of the origins of the universe.含义:答案概念2.His addiction to drugs pushed him towar
4、ds a life of crime.含义:答案犯罪3.The sofa can be transformed for use as a bed.含义:答案改变4.He prefers to be a surgeon rather than a physician.含义:答案内科医生5.It is illegal to drive without a licence.含义:答案非法的;违法的6.My mother was adopted when she was four years old.含义:答案收养7.Above all,we must first clone a panda.含义:答
5、案克隆8.Daydreams may seem to be rehearsals for real-life situations.含义:答案真实的9.The blood feeds the body tissues.含义:答案组织10.A saleswoman is a woman who sells goods in a shop or store.含义:答案女售货员三、用正确的介词或副词填空1.His plans were transformed overnight reality.答案into2.Thanks to the recent advances medical science
6、,many serious diseases can be cured now.答案in3.She found that kids praised “trying hard” did better on tests and were more likely to take on difficult assignments than those praised for “smart”.答案for4.The director showed a lot of respect Douglas as an actor.答案for5.I went to the bank the intention of
7、getting some travellers cheques.答案with6.A daily nap gives one a more rested body and mind and therefore is good for health general.答案in7.The car I like very much is not sale,but in exhibition.答案for8. a personal note,having regular heart-to-heart talks is a good way to form a good relationship betwee
8、n parents and children.答案On9.I find myself almost complete agreement Tony.答案in;with10.More and more people are dying cancer these days.答案of四、单句语法填空1.Could I ask you a rather personal question?Sure,go.答案ahead2.He pushed ahead his plan for dropping out of university regardless of his parents oppositio
9、n.答案with3.The poor mother,who had been ill in bed,had to have her little son (adopt)at his uncles.答案adopted4.The suspect (confirm)guilty by new evidence,so he was sentenced to 3 years imprisonment.答案was confirmed5.I thought I was going to fail in the interview,but I succeeded all.答案after6.She felt o
10、ffended at my remarks,but it was not my (intend)to hurt her.答案intention7.If you intended to invite her to your party,you should inform her advance,because she was very busy.答案in8.We may be on the way to (produce)a real-life Frankensteins monster.答案producing9.The first mammal (clone)successfully from
11、 an adult cell was Dolly the sheep.答案to be cloned10.Some scientists are considering (clone)human beings.答案cloning五、请用下面方框中所给短语的正确形式填空push ahead within generaltoy withafter allon a personal noteon the other handfor salepoint outconcentrate oncomment on1.The government is its reform regardless of peop
12、les objection.答案pushing ahead with2.I should that none of the paintings is original.答案point out3. her work is good,but this essay is dreadful.答案In general4.All the new products on exhibition is not .答案for sale5.When asked about the event,the spokesman didnt it.答案comment on6.Look!Little Tom is in tea
13、rs.Dont scold him.,he is only a boy of six.答案After all7.He likes a pencil in his hand when talking with others.答案toying with8.Bert is extremely intelligent;,he is a very lazy student and therefore gets low grades.答案on the other hand9.I cant my study with so much aloud noise around.答案concentrate on10
14、.,I am very lucky.答案On a personal note六、根据汉语提示完成下列句子1.It is a bad habit that you (玩弄纸飞机)while studying during class.答案toy with paper planes2.Facing all kinds of difficulties,they (努力推进这项实验).答案pushed ahead with the experiment3.There are a lot of new houses (待售)in the new developing area.答案for sale4.(
15、一方面)we have no money,(另一方面)we are not interested in it.答案On one hand;on the other hand5.(不论谁指出我们的缺点),we will thank him/her very much.答案No matter who points out our shortcomings七、阅读理解AThe worlds second and Chinas first Boer goat cloned from somatic cells(体细胞) was born in the city of Tianjin,showing t
16、hat the nation has reached the worlds advanced level in somatic cell cloning technology.The female lamb,weighing 5.5 kg,was born at the Tianjin Veterinary Research Institute(天津兽医研究所).The institute is a research body that has been involved in the somatic cell cloning program since 2000.“In 2003,scien
17、ce workers extracted(抽取) skin cells from the ears of a Boer goat introduced from Australia.They put the cells into a mature germ cell(生殖细胞) which was got from an ordinary goat.And the goats cell nucleus(细胞核) had been removed,making a clone embryo to be transplanted into the body of a local ordinary
18、female goat,” said Dr.Liu Haijun,who leads Tianjins somatic cell cloning program.“After hundreds of experiments,the clone embryo was finally put into a local ordinary female goat.It gave birth to a lamb after 155 days of pregnancy(怀孕).We got the same copy as the genes of the original species of Boer
19、 goat,” he said.The Boer goat,a species from southern Africa,grows fast and produces more meat than ordinary goat or sheep.An adult Boer goat weighs about 100 kg and can provide more than 40 kg of meat.Ding Boliang,head of the institute,said that science workers could build a bank of somatic cells f
20、rom original livestock species.Thus it would greatly shorten the process of livestock breeding.“We can save endangered rare species or sick animals by extracting skin cells from their bodies.Somatic cell cloning technology can be used to achieve a rapid breeding,” he said.(一)根据短文内容,选择最佳答案。1.The best
21、 reason to choose the Boer goat to be cloned is that .A.mutton from the Boer goat tastes deliciousB.Boer goats are a kind of endangered speciesC.Boer goats grow fast and can provide more meatD.Boer goats are easier to be cloned答案C解析倒数第三段中的“The Boer goat.grows fast and produces more meat than ordinar
22、y goat or sheep.”点明了克隆波尔羊的意义,这也正是选择波尔羊进行克隆的原因所在。2.You can most probably read the article in .A.a government reportB.a science magazineC.an advertisementD.a private letter答案B解析本文主要介绍了克隆波尔羊诞生的消息、其诞生的过程及科学家对体细胞克隆技术的评价,所以这篇文章最有可能发表在科学杂志上。3.Which is NOT true about the cloned lamb?A.It weighs 5.5 kg.B.Its
23、 the second animal cloned from somatic cells in the world.C.Its genes are the same as the original species of Boer goat.D.The process of its birth is not the same as an ordinary Boer goat.答案B解析文章开头提到的事实是,中国克隆的波尔羊是世界上第二只用体细胞克隆的波尔羊,而不是说它是第二只用体细胞克隆出的动物。4.Whats Ding Boliangs attitude towards somatic cel
24、l cloning technology?A.Optimistic.B.Pessimistic.C.Not interested.D.Worried.答案A解析从最后一段话中我们可以推断,他对体细胞克隆技术感到乐观。(二)文章二次开发。结合语篇内容,练习本单元语法项目。找出本文中下列有关分词的句子,并说出画线部分的句法功能。5.The worlds second and Chinas first Boer goat cloned from somatic cells was born in the city of Tianjin,.答案(后置)定语6.,showing that the nat
25、ion has reached the worlds advanced level in somatic cell cloning technology.答案定语7.In 2003,science workers extracted skin cells from the ears of a Boer goat introduced from Australia.答案定语8.,who leads Tianjins somatic cell cloning program.答案定语9.We can save endangered rare species or sick animals by e
26、xtracting skin cells from their bodies.答案定语;宾语BCloning is suggested as a means of bringing back a relative,usually a child,killed tragically.Some parents can understand that wish,but it must first be recognized that the copy would be a new baby and not the lost child.Here lies the difficulty,for the
27、 sad parents are seeking not a new baby but a return of the dead one.Since the original would be fondly remembered as having particular talents and interest,would not the parents expect the copy to be the same?It is possible,however,that the copy would develop quite differently.Is it fair to the new
28、 child to be placed in a family with such unnatural expectations?Copying is also suggested as a means by which parents can have the child of their dreams.Couples might choose to have a copy of a film star,baseball player or scientist,depending on their interest.But because personality is only partly
29、 the result of genetic inheritance(遗传),conflicts would be sure to arise if the cloned child failed to develop the same interest as the original.What if the copy of Einstein shows no interest in science?Or the baseball player turns to acting?Success also depends upon fortune.What if the child does no
30、t live up to the hopes and dreams of the parents simply because of bad luck?Every child should be wanted for itself,as an individual.In making a copy of oneself or some famous person,a parent is deliberately(深思熟虑地)specifying(详细说明)the way he or she wishes that child to develop.In recent years,particu
31、larly in the U.S.,much importance has been placed on the right of individuals to reproduce in ways that they wish.So I suggest there is a greater need to consider the interest of the child and to reject these proposed uses of cloning.10.What happens to parents in cloning a lost child?A.Parents expec
32、t too much from the copy.B.Parents may get a quite different copy.C.Parents are sure to have an identical copy.D.Parents lose the talents of the lost child.答案A解析由第一段“for the sad parents are seeking not a new baby but a return of the dead one.Since the original would be fondly remembered as having pa
33、rticular talents and interest,.”这一信息可知,A项正确。11.What,in the authors opinion, affects the success of parents dreams?A.The cloned childs interest in Einstein.B.The cloned childs natural talent.C.The cloned childs personality.D.The efforts of the parents.答案C解析从第二段“But because personality is only partly
34、the result of genetic inheritance(遗传),conflicts would be sure to arise if the cloned child failed to develop the same interest as the original.Success also depends upon fortune.”这一信息可知,C项正确。12.In the last paragraph,the author implies that .A.the cloned child is viewed as independentB.the right of gr
35、owing in his own way is taken away from the cloned childC.parents carefully protect the rights of the cloned childD.parents are eager to wish the cloned child to be somebody.答案B解析由最后一段“a parent is deliberately(深思熟虑地)specifying(详细说明)the way he or she wishes that child to develop.In recent years,parti
36、cularly in the U.S.,much importance has been placed on the right of individuals to reproduce in ways that they wish.”这一信息可知,B项正确。13.In this passage,the author is mainly concerned about .A.the future of a cloned childB.the possibility of cloning peopleC.the importance of cloning a lost childD.the pro
37、blems of a cloned child答案D解析本文主要讲述了有关克隆孩子存在的问题。故D项正确。八、语篇填空Finishing their shopping at the supermarket,a middle-aged couple found their new car 1.(steal).They filed a report 2.the police station and a detective drove them back 3. the parking lot to look for evidence.To their 4.(amaze),the car had be
38、en returned 5. there was a note on it,which said,“I apologize for taking your car.My wife was having a baby and I had to send her to the hospital as soon as possible.Please forget the 6.(inconvenient).There are two tickets 7. tonights concert.” Their 8.(faithful) in humanity restored(恢复).The couple 9.(attend) a concert.But when they returned home,they immediately found that their house 10.(be)ransacked(洗劫).On the bathroom mirror was another note,“I have to put my kid through college somehow,dont I?”答案1.stolen2.at 3.to 4.amazement 5.and 6.inconvenience7.for8.faith9.attended10.had been
