译林版高中英语选修七(江苏)课件:Unit 2 Period One
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1、Unit 2 Fit for life,The Pacific island nation of Nauru used to be a beautiful place.Now it is an ecological disaster area.Naurus heartbreaking story could have one good consequenceother countries might learn from its mistakes. For thousands of years,Polynesian people lived on the remote island of Na
2、uru,far from western civilization.The first European to arrive was John Fearn in 1798.He was the British captain of the Hunter,a whaling ship.He called the island Pleasant Island.,话题导入,However,because it was very remote,Nauru had little communication with Europeans at first.Then whaling ships and ot
3、her traders began to visit,bringing guns and alcohol.These elements destroyed the social balance of the twelve family groups on the island.A ten-year civil war started,which reduced the population from 1,400 to 900. Naurus real troubles began in 1899 when a British mining company discovered phosphat
4、e(磷酸盐) on the island.In fact,it found that the island of Nauru was nearly all phosphate,which is a very important fertilizer for farming.The company began mining the phosphate.,A phosphate mine is not a hole in the ground;it is a strip mine.When a company strip-mines,it removes the top layer of soil
5、.Then it takes away the material it wants.Strip mining totally destroys the land.Gradually,the lovely island of Nauru started to look like the moon. In 1968,Nauru became one of the richest countries in the world.Every year the government received millions and millions of dollars for its phosphate.,U
6、nfortunately,the leaders invested the money unwisely and lost millions of dollars.In addition,they used millions more dollars for personal expenses.Some people realized that they had a terrible problemtheir phosphate was running out.Ninety percent of their island was destroyed and they had nothing.B
7、y 2000,Nauru was almost financially ruined.Experts say that it would take approximately 433,600,000 and more than 20 years to repair the island.This will probably never happen.,完成这篇文章的文脉构架图,ecological,captain,balance,mining,richest,基础自测,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
8、自测,.重点单词 1. n.药剂师,药商;化学家n.化学 2. n.巨变,大变革;革命;旋转,天体运行v.变革,革命 3. n.柜台;计数器;反驳vt.反驳;抵制,抵消v.数数,计算;依靠 4. adj.有益的;有用的v.对有益;得益于n.益处,chemist,chemistry,revolution,revolute,counter,count,beneficial,benefit,5. vt.拥有,具有n.个人财产;拥有,具有 6. adj.对极重要的,必不可少的 7. n.可能性,潜在性;潜力,潜能adj.潜在的,可能的adv.潜在地,可能地 8. vi.& vt.循环;传播,散布;传递
9、,传阅n.循环;传播 9. adj.不正常的,反常的(反义词) adj.正常的;平常的,possess,possession,vital,potential,potentially,circulate,circulation,abnormal,normal,10. vt.使十分惊讶;使吃惊adj.令人惊讶的adj.感到惊讶的n.惊讶 11. n.应用,运用;申请,申请表;涂抹,外敷vt.申请;应用;涂抹 12. adj.有效的;实际的,事实上的;生效的n.影响;结果 13. n.批准,通过;赞成,同意v.批准,通过;赞成,同意,astonish,astonishing,astonished,a
10、stonishment,application,apply,effective,effect,approval,approve,14. vt.& vi.(使)加速,加快n.加快;增进 15. adj.大规模的;数量极多的n.一团,一堆;许多;(物理)质量 16. n.疾病;恶心,呕吐adj.有病的;恶心的 17. n.症状;征兆 18. vi.流血,失血n.血,血液,accelerate,acceleration,mass,sickness,sick,symptom,bleed,blood,.重点短语 1. 集中于;专注于 2. 打开;开拓 3. 上百万的 4. 以形式 5. 实施;执行 6.
11、 测试,试验;参加选拔 7. 大量地 8. 因为;由于 9. 认出,辨别出;挑选 10. 偶然地,focus on,open up,millions of,in the form of,carry out,try out,in large quantities,due to,pick out,by accident,Nearly 3,500 years ago,people chewed on leaves or drank a kind of tea made from leaves (possess) a special chemical to reduce body pains and
12、fever. 大约3 500年以前,人们咀嚼一种含有特殊化学物质的树叶或饮用由这种树叶制成的茶,以减轻身体疼痛或退烧。,.重点句式,. you will find aspirin and penicillin. 你很可能会找到阿司匹林和青霉素。,1.It is likely that.,it is likely that,2.现在分词作定语,possessing,If penicillin available,many people _ sickness or even small wounds. 如果没有青霉素,很多人都将死于疾病,甚至是很小的伤口。,Not only vital for r
13、educing fever and helping stop pain,but also other things that aspirin can help with. 阿司匹林不仅被证明对于退烧、止痛必不可少,而且还有其他用途。,3.not only.but also.,4.if引导的虚拟条件句,has aspirin proved,there are,had not been,would have died from,课文预读,.课文阅读理解 1.Whats the main idea of this passage? A.Famous doctors. B.How Penicillin
14、 and Aspirin were invented. C.Aspirin and Penicillin. D.How to keep healthy.,答案,1,2,3,4,5,2.Which of the following is considered to be the time when Aspirin was invented? A.3,500 years ago. B.2,500 years ago. C.1897. D.1899.,1,2,3,4,5,答案,1,2,3,4,5,3.Which of the following cant Aspirin be used for? A
15、.Keeping quiet. B.Painkilling. C.Curing diabetes. D.Reducing heart attacks.,答案,1,2,3,4,5,4.Which of the following is NOT false? A.Penicillin can keep people healthy by thinning their blood. B.Aspirin can save lives by killing bacteria. C.Aspirin was discovered by accident. D.Penicillin was discovere
16、d by chance.,答案,1,2,3,4,5,5.Who is American? A.Dr Thun. B.Smith. C.Alexander Fleming. D.Howard Florey.,答案,.课文阅读填空,medicines,use/practice,contained,pain,risk,Preventing/Stopping,levels,bacteria,bestselling,contemporary,.阅读课文,并试着以约30个词概括第二段(P18,L717)的段落大意。 _,This paragraph tells us that long ago peopl
17、e began to use a kind of leaves which contains a special chemical to reduce body pains and fever and in 1897 Aspirin was produced from this chemical.,要点探究,Both of these medicines have saved millions of peoples lives and have proved beneficial to mankind since they were invented. 这两种药自问世以来已挽救了数百万人的生命
18、,并且已被证明对人类是有益的。,重点词汇,(1)beneficial adj.有益的;有用的 be beneficial to对有益 (2)benefit v.对有益;n.益处 benefit from从中受益 be of benefit有益的(be beneficial) for sb.s benefitfor the benefit of sb.为了某人的利益;为帮助某人,归纳拓展,(1)A good diet is beneficial to health. 良好的饮食有益于健康。 (2)We should spend the money on something that will b
19、enefit everyone. 我们应该把这笔钱花在对大家都有益的事上。 (3)The new regulations will be of benefit to everyone concerned. 新规章将使所有有关人员受益。 (4)I have done it for his benefit. I have done it for the benefit of him. 我为了帮助他才做的那件事。,语境助记,(1)一句多译 该制度有利于城市居民。 The system people in the cities.(benefit vt.) The system people in th
20、e cities.(beneficial) The system people in the cities.(benefit n.) People in the cities the system.(benefit vi.),题组训练,benefits,is beneficial to,is of (great) benefit to,benefit from,(2)It is clear who the new policy will . A.of benefit B.benefit C.benefit from D.benefit by,答案,解析,解析 be of benefit有益的;
21、benefit sb.使某人受益;benefit from从中受益。,Nearly 3,500 years ago,people chewed on leaves or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever. 大约3 500年前,人们咀嚼一种含有特殊化学物质的树叶或饮用由这种树叶制成的茶,以减轻身体疼痛或退烧。,(1)possess vt.拥有,具有;支配,控制 be possessed of具有某种品质(或特征) (2)possessi
22、on n.U拥有;(常用复数)个人财产 have/get/gain/take possession of占有;拥有 in possession of占有 in the possession of sb.为某人所有,归纳拓展,(1)Poor as they are,they possess many noble qualities. 尽管他们很穷,但是他们拥有很多高尚的品质。 (2)She is a charming lady,possessed of good health and sound intellect. 她是一位拥有健康体质和极佳才智的迷人的女士。 (3)The land is i
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