1、Unit 3 Science and nature,话题导入,There are many ways in which human cloning is expected to benefit mankind.Below is a list that is far from complete. Dr.Richard Seed，one of the leading proponents (支持者) of human cloning technology，suggests that it may someday be possible to reverse(倒转) the aging proces
2、s because of what we learn from cloning. Scientists believe that they may be able to treat heart attack victims by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged.Heart disease is the number one killer in the United States and several other ind
3、ustrialized countries.,There has been a breakthrough with human stem cells.Embryonic (胚胎的) stem cells can be grown to produce organs to repair or replace damaged ones.Skin for burn victims，brain cells for the brain damaged，hearts，lungs，livers，and kidneys could be produced.By combining this technolog
4、y with human cloning technology it may be possible to produce needed organs for suffering people that will be free of rejection by their immune systems.Conditions such as Alzheimers disease，Parkinsons disease，diabetes，heart failure，and other problems may be made curable if human cloning and its tech
5、nology are not banned.,Despite getting a fair amount of publicity in the news current treatments for infertility(不生育)，in terms of percentages，are not very successful.One estimate is that current infertility treatments are less than 10 percent successful.Couples go through physically and emotionally
6、painful procedures for a small chance of having children.Many couples run out of time and money without successfully having children.Human cloning could make it possible for many more infertile couples to have children than ever before possible.,根据上文判断正(T)误(F) 1.According to Dr.Richard Seed，we can u
7、se cloning technology to make people live longer.( ) 2.Scientists believe that they may not be able to treat heart attack victims by cloning technology.( ) 3.With cloning，infertile couples could have their own children.( ) 4.This passage is mainly about the advantages of human cloning.( ),T,F,T,T,基础
8、自测,课文预读,内容索引,要点探究,当堂达标,Period One Welcome to the unit & Reading,基础自测,1. vt.克隆n.克隆出来的动物或植物 2. adj.精确的，准确的 3. n.意图，目的；企图 4. n.忧虑，焦虑，不安adj.焦虑的 5. vt.收养，领养；采纳，采用 6. n.结果，后果,.重点单词,clone,exact,intention,anxiety,anxious,adopt,consequence,7. vt.&vi.收割(庄稼)n.收获；收成 8. vt.使改变外观或性质(尤指向好的方向)；使改变形态 9. n.概念；观念 10.
9、n.罪，罪行；犯罪,harvest,transform,concept,crime,.重点短语 1. 一方面另一方面 2. 指出；引起注意 3. 戏弄，摆弄；把当作儿戏 4. 即将；在去路上 5. 总体上来说 6. 集中精力于，全神贯注于 7. 对表示敬意,on (the) one hand.on the other hand.,point out,toy with,on ones way to,in general,concentrate on,show respect for,8. 义无反顾地进行，努力推进 9. 待售，供出售 10. 与意见一致 11. 偶然发现；遇见 12. 有意义，讲
10、得通,push ahead with,for sale,in agreement with,come across,make sense,1.现在分词作方式状语,.重点句式,Cloning is producing an exact copy of a plant or an animal (use) its cells. 克隆就是使用某种植物或动物的细胞制造出一模一样的植物或动物。,2.不定式作定语,The first mammal (clone) successfully from an adult cell was Dolly the sheep. 第一只成功地用成年动物细胞克隆出的哺乳
11、动物是多利羊。,using,to be cloned,3.虚拟语气,I dont want to adopt someone elses childif I the chance，I a cloned baby right now.(have) 我不想领养别人的孩子如果我有这个机会，我会立即要一个克隆婴儿。,had,would have,课文预读,1,2,3,4,.课文阅读理解,1.When and where was the worlds first mammal Dolly cloned? A.On Christmas Day 2001 in Japan. B.In 1996 in Sco
12、tland. C.In early 2003 in Scotland. D.In 1996 in Italy.,答案,5,2.Which of the following CANNOT be inferred from the text? A.Faye Wilson cannot give birth to a baby. B.Cloning human beings is illegal and immoral in many countries. C.In the future more and more diseases like cancer will be cured. D.The
13、first cloned human being will be created by Severino Antinori.,答案,1,2,3,4,5,3.Pauline Carter disagrees with human cloning，because she thinks that . A.human cloning is totally immoral B.it is difficult to predict the future if human beings are cloned C.human beings will use up the Earths resources D.
14、all of the above,答案,1,2,3,4,5,4.Who else disagrees with human cloning except Pauline Carter? A.Colin Jake. B.Severino Antinori. C.Ian Wilmut. D.Faye Wilson.,答案,1,2,3,4,5,5.What is the main idea of this passage? A.It is about the debate whether we should clone human beings among people. B.Cloning is
15、producing an exact copy of a plant or an animal using its cells. C.Ian Wilmut is shocked that some scientists are now considering cloning human beings. D.Opposite opinions of Pauline Carter and Colin Jake on the “The perfect copy”.,答案,1,2,3,4,5,.课文阅读填空,tissues,save,human,praised,diseases,Dolly,conce
16、ntrate,no,animals,succeeded,.阅读本单元Reading部分，试着以约30个词概括第一段(P42，L17)的段落大意。,_ _,Its announced that the scientists have successfully cloned the first human embryo，which has caused much debate.Some people are for it while others are worried that we may be punished for toying with nature.,要点探究,重点词汇,经典句式,难
17、句分析,On the one hand，some scientists point out that.On the other hand，many people，including some scientists，disagree and are afraid that. 一方面，一些科学家指出另一方面，包括一些科学家在内的许多人持不同意见，他们担心,重点词汇,on (the) one hand.on the other (hand).一方面，另一方面 at hand在手边，在附近 by hand亲手，手工的 hand in hand手拉手；联合；关系密切,归纳拓展,(1)On (the) o
18、ne hand，I want to go to the party，but on the other (hand) I ought to be studying at home. 一方面我想去参加宴会，而另一方面我应当在家学习。 (2)He lives close at hand. 他住在附近。 (3)Music and emotions go hand in hand. 音乐和人的情感是密切相关的。,语境助记,(1)我把这本书放在手边，以备不时之需。 I leave the book for use when necessary. (2)他用手移动了那块大石头。 He moved the h
19、uge stone .,题组训练,at hand,by hand,(3)What do you think of the poems? They are beautiful to read but ，they are hard to understand.(2017无锡江阴四校高二期中) A.in addition B.on the other hand C.as a consequence D.in particular,答案,Although he researches cloning，his intention has never been to create copies of hum
20、ans. 尽管他研究克隆技术，但是他的目的从来就不是制造人类的复制品。,(1)intention n.意图，目的；企图 with the intention of有的打算,归纳拓展,(2)intend v.打算，计划；想要 intend to do/doing sth.打算做某事 intend that.计划；打算(从句用虚拟语气，即谓语动词用“should动词原形”，should可省略) (3)be intended for.为而打算/设计 be intended to do.打算做,(1)Have you heard of her intention to leave the compan
21、y? 你听说她打算离开公司的传闻了吗？ (2)He intends to study/studying abroad next year. 他打算明年去国外留学。 (3)I intend that you should be invited. 我有心让他们邀请你。,语境助记,题组训练,(1)用intend的正确形式填空 He went to the countryside with the of living a quiet life. The film for the children interests me. His cousin to be a singer in his childh
22、ood.,intention,intended,intended,(2)He wrote the letter with the of asking for some advice. (2017盐城南洋中学高二期中) A.experiment B.intention C.attempt D.desire,答案,Even though human cloning is causing a lot of anxiety，it is good news for Faye Wilson，. 尽管克隆人类引起了极大的不安，但对Faye Wilson来说却是个好消息，,(1)anxiety n.忧虑，焦虑
23、，不安 with anxiety焦急地 (2)anxious adj.焦虑的；渴望的 be anxious to do sth.渴望做某事 be anxious about sth.担心某事 be anxious for.渴望得到 (3)anxiously adv.焦急地，忧虑地,归纳拓展,(1)She waited for the news with anxiety. 她焦急地等待着消息。 (2)I was anxious to do well at that time. 我那时一心求好。 (3)Dont be anxious about their safety.They are no l
24、onger children. 不要为他们的安全而操心，他们已不再是小孩了。,语境助记,题组训练,(1)句型转换 He is waiting outside with anxiety. He is waiting outside .,anxiously,(2) a quick decision，the chairman called for a vote. A.Anxious to B.Be anxious for C.Anxious for D.With anxiety,答案,解析,句意为：由于渴望一个快的决定，主席要求投票表决。(be) anxious for渴望得到，符合句意。此处为形容
25、词短语作状语。,push ahead with努力推进，义无反顾地进行 push ahead向前推进，急速前进 push sth.forward提出某事，迫使他人考虑或注意某事 push sb./sth.over使某人/某物倒下；推倒某人/某物,While cloning human embryos is not legal in many countries，some scientists are already pushing ahead with research in order to produce a cloned human baby. 尽管克隆人类胚胎在很多国家还不合法，但一些
26、科学家正在加紧研究，以制造出克隆的人类婴儿。,归纳拓展,(1)Despite opposition，they are pushing ahead with their scheme for a new airport. 尽管有人反对，他们仍然努力推进新机场的计划。 (2)If we push ahead，we can get home before dark. 如果我们急速前进，天黑前我们还能赶到家。 (3)He repeatedly pushed forward his own claim. 他不断地提出自己的要求。,语境助记,题组训练,(1)用适当的介、副词填空 Whatever happ
27、ens，we must push ahead our plans to increase production. Who pushed the problem at the meeting? This group of men pushed the buildings without being noticed at midnight.,with,forward,over,(2)China will financial reforms(改革) that include interest rates as it tries to keep economic growth.(2017南通海安实验中
28、学高二期中) A.interfere with B.defend against C.end up D.push ahead with,答案,(1)adopt vt.收养，领养；采用，采纳 (2)adoption n.收养，领养；采用 (3)adopted adj.被收养的,I dont want to adopt someone elses childif I had the chance，I would have a cloned baby right now. 我不想领养别人的孩子如果我有这个机会，我会立即要一个克隆婴儿。,归纳拓展,(1)Mr.Smith adopted the orp
29、han as his own son. 史密斯先生将那孤儿收养为自己的儿子。 (2)The three teams adopted different approaches to the problem. 三个队处理这个问题的方法各不相同。,语境助记,题组训练,(1)用adopt的正确形式填空 We argued her into the of the plan. The child has the right to see his birth certificate. He was 18 when he found out he .,adoption,adopted,had been ado
30、pted,(2)Recently，to maintain national balance，the Chinese government has a policy of encouraging college graduates to take positions in rural areas. A.adapted B.admired C.adopted D.admitted,答案,解析,adapt使适应；admire钦佩；adopt采取；admit允许进入。句意为：近来，为了维护国家平衡，中国政府已经采取了一项鼓励大学毕业生去农村地区就业的政策。由句意知选C项。,consequence n.
31、结果，后果 in consequence(consequently)因此 as a consequence of由于；因为 in consequence of由于，作为的结果,If we toy with nature，we will have to deal with the consequences. 如果我们戏弄自然，我们将不得不应付各种后果。,归纳拓展,(1)Such a mistake would lead to disastrous consequences. 这样的失误将会导致灾难性的后果。 (2)She was found guilty，and lost her job in
32、consequence of it. 她被判有罪，因而失去了工作。,语境助记,题组训练,(1)她努力学习，结果通过了考试。 She studied hard，and she passed the examination. (2)由于下雨，网球赛延期了。the rain，the tennis match was delayed.,in consequence/consequently,In consequence of/As a consequence of,(3)The private school had to be closed down as a of its terribly bad
33、management. A.matter B.consequence C.whole D.total,答案,解析,句意为：这所私立学校由于糟糕的管理不得不被关闭了。as a consequence of因为，由于，符合句意。,for sale供出售，待销售 on sale出售；上市；廉价出售,Human life would just become a crop to be harvested or a product for sale. 人类的生命将仅仅是变成待割的庄稼或是待售的产品。,归纳拓展,(1)That particular item is not for sale. 那件特别的货物
34、为非卖品。 (2)The tickets for the concert are on sale. 音乐会的票正在出售。,语境助记,题组训练,用for sale，on sale填空 (1)These are cars at reasonable prices. (2)The new model is not in the shops. (3)Im sorry this painting is not . (4)I got this hat ；it was very cheap.,for sale,on sale,for sale,on sale,(1)in agreement with完全同意
35、；意见一致 (2)agree with sb.同意某人(说的话) agree on就达成一致的意见,I am in complete agreement with human cloning. 我完全赞同克隆人类。,归纳拓展,(1)We are in agreement with their decision. 我们同意他们的决定。 (2)We couldnt agree on when to meet. 关于何时见面，我们未能取得一致意见。,语境助记,题组训练,(1)句型转换 I agree with you on this issue. I you on this issue. (2)我发
36、现自己的意见几乎完全与托尼的一致。 I find myself almost total Tony.,am in agreement with,in,agreement with,transform vt.使改变外观或性质(尤指向好的方向)；使改变形态；转化；改造 transform.(from.) into.把(从)变为,On a personal note，cloning would totally transform my life. 就我个人而言，克隆将会完全改变我的生活。,归纳拓展,(1)A little paint will transform this old car. 喷点漆就
37、能让这辆旧车变个模样。 (2)Heat can transform water into steam. 热能使水变为蒸汽。,语境助记,题组训练,(1)After his first book of poetry was published，he (改变了) and became famous nationwide overnight. (2)A complete change of climate (使该地区由沙漠变为) a swamp.,was transformed,transformed the area from a desert into,(3)People wrote letter
38、s to get in touch.Nowadays email has the way people communicate. A.conveyed B.translated C.transformed D.exchanged,答案,解析,句意为：过去人们通过写信相互联系，而如今电子邮件改变了人们的交流方式。transform彻底改变，改善，符合句意。convey传达，转移；translate使变成；exchange交换，交流。,The first mammal to be cloned successfully from an adult cell was Dolly the sheep.
39、 第一只成功地用成年动物细胞克隆出的哺乳动物是多利羊。,经典句式,归纳拓展,句中不定式短语to be cloned.作后置定语修饰the first mammal。用不定式作定语的几种情况： (1)用来修饰被序数词、形容词最高级或the only，no，all，any等限定的中心词。 (2)用来修饰某些抽象名词，常见的有：ability，chance，promise，way，opportunity，need，attempt，time等。 (3)表示将来。,(1)Amy was the only person to arrive at the top of the mountain. 艾米是唯一
40、一个到达山顶的人。 (2)Youll have the opportunity to ask any questions at the end of the meeting. 会议快结束时，你们将有机会提问任何问题。,语境助记,题组训练,(1)Tom was the first man after the accident. A.questioned B.to question C.to be questioned D.being questioned,答案,解析,当名词前有序数first、last等修饰时，要用动词不定式作后置定语，且本句中的question(询问)和man是被动关系。故选C
41、。,(2)Volunteering gives you a chance lives，including your own. A.change B.changing C.changed D.to change,答案,解析,考查非谓语动词。句意为：志愿者工作让你有一个可以改变生活的机会，包括你自己的生活。动词不定式作chance的后置定语。,I dont want to adopt someone elses childif I had the chance，I would have a cloned baby right now. 我不想领养别人的孩子如果我有这个机会，我会立即要一个克隆婴儿。
42、,(1)这句话中使用了虚拟语气。虚拟语气常用来表示说话人的愿望、假设、猜测或建议，而不表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示。 (2)if引导的虚拟条件句的规律是把时态往前推一步，即用一般过去时(be动词用were)代替一般现在时；用过去完成时代替一般过去时；用过去将来时代替一般将来时。,归纳拓展,(1)If I had time，I would attend the meeting. 如果我有时间，我一定去参加会议。 (2)If you had taken my advice，you wouldnt have failed in the exam. 如果你接受了我的建议，你
43、就不会考试不及格。 (3)If you came/should come/were to come tomorrow，we would have the meeting. 如果明天你能来，我们就开会。,语境助记,题组训练,(1)如果吃了那些药，你就会感到好多了。 If you the medicine，you better.,had taken,would have felt,(2)If Mr.Dewey present，he would have offered any possible assistance to the people there. A.were B.had been C.
44、should be D.was,答案,解析,考查虚拟语气。根据主语的谓语动词形式可知题干表示与过去的事实相反，从句谓语动词用“had过去分词”，故选B项。,(3)Technology has become an indispensable(不可缺少的) part of our lives.But what if we control of it？ (2017无锡江阴四校高二期中) A.might happen；had lost B.would happen；lost C.will happen；lost D.could happen；lose,答案,On the one hand，some s
45、cientists point out that if you clone an embryo，you can produce valuable human tissuessuch as bone or lung tissuethat could be used to save human lives.,难句分析,句式分析：本句是个主从复合句。 是谓语，在其后that引导的_从句中，if you clone an embryo是 状语从句；两个破折号间的such as bone or lung tissue是插入语；that could be used to save human lives是
46、 从句，修饰先行词 。,point out,条件,human tissues,宾,语,定语,自主翻译：_ _ _,一方面，一些科学家指出如果克隆人类胚胎，你就可以制造出宝贵的人体组织如骨组织或肺组织它们可以用来拯救人类的生命。,当堂达标,.单词拼写,1.Any kind of energy can be into electricity. 2.He caused his parents great by cycling long distance alone. 3.Having no children of their own，they decided to an orphan. 4.I came with the (打算；意向) of staying，but now Ive decided to leave. 5.She is ill and I can not start in (结果). 6.No one could have noticed the minute of his death.,