M5Unit 3 Science and nature.ppt

1、M5Unit 3 Science and nature,Reading部分课文改写(完形填空) Scientists have announced they have successfully cloned the first human embryo. 1_ has caused much debate round the world. Some scientists point out that we can produce valuable human tissues and organs that could be used to cure diseases like cancer b

2、y cloning, 2_ others disagree and are afraid that if mankind toys with nature in this way, we may be on our way 3_ creating real-life problems.,This/It,while,to,Cloning is producing 4 _ exact copy of a plant or animal using its cells. The scientists who created Dolly the sheep from an adult cell wer

3、e praised for their wonderful scientific advance. Now some scientists are considering cloning human beings. 5 _ , some people think that cloning human embryos with the intention of destroying them shows no respect 6_life. Even though human cloning is causing a lot of anxiety, it is good news for wom

4、en 7 _ to have a baby. In China, scientists have focused their efforts on cloning animals, as well as cloned tissues to be used in medical treatment. China has succeeded in producing some animals 8._continues cloning research to benefit mankind.,an,However,unable,for,and,Project部分课文改写(完形填空) Project部

5、分课文改写(完形填空) For a long time, our environment has been damaged 1_ of humans carelessness. People have harmed nature through agriculture, fishing, hunting, and tourism. Humans further damage the Earth by building new sea channels and factories on the land. If we continue in this way, well finally dest

6、roy the planet we live 2 _ . But 3_ everything that is best for nature is good for people. We cant stop development in favour of nature. Some people think we are only doing what humans have always done, using nature to meet our own needs. Others argue that such thinking may cause a catastrophe, 4 _w

7、e start to look around and understand how 5_clean environment benefits us all.,because,on,not,unless,a,Project部分课文改写(完形填空) The developing and developed countries need to work 6_ to make sure that people enjoy healthy and happy lives 7 _ the environment around them suffering. It should not be a quest

8、ion of humans winning 8_ nature losing. Humans can only really win by protecting nature. It is mankinds responsibility to find answers that are good for everyone and everything.,together,without,and,单元考点导练,核心词汇 1. _ 2. _ 3. _ 4. _ 5. _,宣告 正常的 意图,目的,企图 忧虑,焦虑,不安 收养,领养,采用,announce,normal,intention,anxi

9、ety,adopt,_ _ _ _ _ _ _,突破 组织,实施,进行 可依赖的,可依靠的 营养 证实 资源 准许,许可,批准,breakthrough,conduct,reliable,nutrition,confirm,resource,permission,1. on the _ hand, 一方面,另一方面 on the _ hand 2. toy _ 玩弄 3. be on the way _ doing sth. 在做某事的途中 4. _ general 一般说来 5.push _ with 努力推进 6. _ sale 供出售 7. use _ 用完,耗尽,one,other,i

10、n,for,up,with,to,ahead,8. put . . . in _ 准备就绪,布置妥当 9. _ out 想出,理解,明白,计算出 10. the _ day 几天前 11. have no alternative/choice but _ _ sth. 除做外别无选择 12. _ a personal note 私下说一句 13. achieve scientific _ 14. in the _ 占多数,place,figure,other,to do,on,breakthrough,majority,15. in _ of 支持,赞同 16. take sth. into

11、_考虑某事 17. point of _观点 18. meet our _ _满足我们的日常需求,favor,consideration,view,everyday need,19. The first mamal _(从成年细胞成功克隆出来的)was Dolly the sheep . 20. Many developed countries are now concerned about saving nature _(而不是) developing or destroying it. 21. _(在这样做的过程中), they are using up natural resources

12、 at a fast rate (以很快的速度).,to be cloned successfully from an adult cell,rather than,In doing so,重点难点突破,1. intend vt.意欲,打算常用于以下结构: intend to do sth. / doing sth.想要打算做某事 intend sb. to do sth.想要某人做某事 Its intended that 企图,意图是 intend for打算,常用于被动语态 如:I didnt intend you to act like that. be intended for 打算供

13、使用,打算送给 The book is intended for children. intention n. 目的,意图,企图 by intention 故意,1. intend vt.意欲,打算常用于以下结构: intend to do sth. / doing sth.想要打算做某事 intend sb. to do sth.想要某人做某事 Its intended that 企图,意图是 intend for打算,常用于被动语态 如:I didnt intend you to act like that. be intended for 打算供使用,打算送给 The book is i

14、ntended for children. intention n. 目的,意图,企图 by intention 故意 have no intention of doing无意做 with the intention of 抱有目的 without intention 无意中,The book, _ (打算给孩子用)children, is well written. He went to Paris_ (抱有的目的) learning French.,intended for,with the intention of,随堂操练,2. consequence n. 结果,后果,重大,重要性,

15、自大,神气活现 Im quite willing to accept the consequences. 我完全自愿承担后果 He is a man of great consequence.他是一个很重要的人物 answer for the consequences 对后果负责 in consequence = as a result 结果 in consequence of = as a result of,3. comment v. 评论,点评,注释,解释;n. 批评,意见,评论,议论,闲话 He didnt comment on what I said. He commented th

16、at it was an excellent film. He made no comments on our proposal.,Do you have any comments _ on the recent developments? A. make B. to make C. makingD. being made,B,随堂操练,4. sound作连系动词用时,意为“听起来”,后面可跟形容词名词(代词)或介词短语作表语 The story of his life sounds interesting. Your idea sounds a good one. She sounds li

17、ke a kind-hearted woman. 类似的有:smell闻起来;taste尝起来;feel摸起来;look看起来(注:连系动词无被语态,无完成时态,也无进行时态但feel作“感到”时常用于进行时态) 如:This dish smells very good. This cloth feels soft and smooth like silk. You look pale. Whats wrong with you?,5. conclude v. 总结,下结论,结束 What can you conclude from these observations? 你从这些观察中能得出

18、什么结论? He concluded that he would wait a little longer.他决定再等一会儿 We concluded our meeting at 9 oclock. 我们9点钟结束了会议 知识拓展 conclusion n. 结论,议定 make a conclusion 下结论 arrive at / come to / draw / reach a conclusion 得出结论 at the conclusion of 当结束时 bring to a conclusion 使结束,谈定 in conclusion = to conclude 最后,总之

19、(常作插入语),The local people urged a bridge _ over the river. A. be builtB. to build C. will be builtD. was built,A,随堂操练,6. urge v. 敦促,催促,极力主张,强烈要求,推进n. 强烈的欲望,迫切要求 They urged us to go at once. 他们催促我们马上去 The people in that country urged independence. 那个国家的人民强烈要求独立 My friends urged that I should apply for

20、 the job. 朋友们极力劝我申请那份工作(虚拟语气) The citizens urged for the construction of a new school. 市民们强烈要求建一所新学校 The vacation is coming and I have an urge to travel. 假期快到了,我很想外出旅行,7. seek vt. attempt指尝试性地努力,Its no use _ him to give up smoking. 企图说服他戒烟是没有用的,seeking to persuade,随堂操练,8. limit n. 极限 He has reached

21、the limit of his patience. vt.限定,限制(常与to搭配) Her food was limited to bread and water.imited adj.有限的 如:What I know about him is quite limited.,We must _ (限制开支) what we can afford. There is _ (限度)the amount of money I can afford.,limit our expense to,a limit to,随堂操练,9. rate n.比率,率;(运动变化的)速度,进度;等级价格 v.评

22、定(某人/某事物价值)把看成,认为 The factory produces cars at a rate of 50 a week. 工厂以每周50辆的速度生产汽车 The train was going at the rate of 80 kilometres an hour. He works at a great rate.他工作效率很高 He is rated as a good electrician.,The houses here are sold _ (低价).,at a low rate,10. 表示“一方面,另一方面”的两个句型 on (the) one hand, on

23、 the other (hand) for one thing, for another (thing) 注:on the other hand 单独使用时,hand不能省略,11. put in place 准备就绪,布置妥当 The proposal is not put in place.这提议并不十分合乎时宜 in place 在适当的位置;适当 in order 有顺序的 I like everything to be in place. 我喜欢每件东西都放在应放的位置上 out of place 不合适,不恰当 The chairs are out of place. 椅子摆放不整

24、齐,12. turn用法归纳 turn against 背叛 turn. into 变成 turn over 把翻转过来 turn off 关掉 turn to (doing) sth. 致力于(做)某事;转行干做某事 turn to 转到,翻到;转行到 turn to sth.借助于某物 turn to sb. for help 向某人求救/助 turn up 开大(音量);出现,卷起,turn right=turn to the right 向右转 turn in=hand in 上交 turn back/around 转过身来 turn down 拒绝;关小,调小 turn out 生产

25、制造;被证明是,结果是,最后情况是,The actress who had been thought highly of _ to be a great disappointment. A. turned downB. turning in C. turned out D. turning up,C,随堂操练,13. He must have been working too hard to notice! 他一定是太努力工作而没有注意! 英语中“too + adj. /adv. + to do sth.” 表示否定,意思为 “太以致不能”,too to 结构还有以下几点值得注意: “too

26、+ adj + to do sth.” 结构除表示否定意义外,还可以表示肯定意思这时too后面常常跟表示心情态度或倾向性方面的形容词,主要有anxious,eager,easy,glad,happy, pleased,ready,willing等,此时too的意思是“十分,非常,很” 等 They were too anxious to leave(= very anxious to leave). 他们急于要离开 He is too glad to go there(= very glad to go there). 他非常高兴去那儿,为了加强语气,我们可以将much与too连用,可译成“实

27、在太” He was much too tired to go farther. 他实在太累了,以致无法再往前了 为了加强语气,我们还可以用only,but与too to连用,构成only / but + too + adj. +to do sth.结构,表示肯定意思only,but用于too前面加强语气,相当于really She is but too willing to help others.她非常愿意帮助别人 由否定词not,never等与too to 构成双重否定,实质是肯定,而且语气较为强烈翻译时可以译为双重否定句,也可以译为肯定句,When crossing the streets, you can _ careful. A. never be tooB. never be C. not beD. be too,A,随堂操练,14. at no time 决不 in no time 立即,马