《新视野大学英语4unit7.pdf》由会员分享，可在线阅读，更多相关《新视野大学英语4unit7.pdf（5页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、授课学时：4学时章节名称Unit 7备注教学目的和要求1.grasp the main idea(this passage discusses the practice ofbribery in business and lists the categories of bribery that exist.)and the structure of the text(the passage is organized inproblem-solution pattern);2.appreciate the writing techniques demonstrated in the text(l
2、isting,exemplification,deduction);3.master the key language points,sentence patterns,andgrammatical structures in the text;4.learn some translation skills5.conduct a serious of reading,listening,speaking andwriting activities related to the theme of the unit.重点难点课文重点及难点：1.“More than”和“not only”了解此二结
3、构的用法，掌握在当其后接名词短语或形容词短语时，此二结构可以互换2.nothing less than3.the academic words of Population Genetic.4.what is Population Genetic.教学方法教学手段(1)教学方法：课堂讲授为主，师生互动学生为主进行讨论、对话、回答问题等。课堂讲解以举例、对比，学生参与拓展来突出重点，解决难点。(2)教学手段：读写教程以口述、板书为主，师生互动；听力材料、背景知识等采用多媒体辅助手段.教学进程设计(含教学内容、教学设计、时间分配等)1.Pre-reading 202.Text analysis2.1
4、 Main idea 352.2 Text structure 403.Words and phrases4.Sentence patterns5.SummarySection AL Pre-readingQuestions1)How did the researchers obtain the information to write their book?The researchers took the blood of hundreds of thousands of individuals,from all around the world,and thenanalyzed their
5、 blood proteins.They examined the genetic similarities between the populations of the world.In this way,they obtained the information for their book.2)What two scientific aims does the book have?This book has two scientific aims.One is to discover the routes taken by early people migrating around th
6、eworld;another is to show that under the skin we are all very similar on a genetic level.3)What is the ultimate aim of the book?The book is written for scientific purposes as well as in hopes that it would have a social effect by provingthat there is no biological basis for racial prejudice,thus dis
7、proving the idea that one race is geneticallysuperior to any other race.2.Text analysis2.1 Main ideaAs the most extensive survey to date on how humans vary at the level of their genes,the book The Historyand Geography of Human Genes made two remarkable contributions to science:There is no scientific
8、 basisfbr the genetic superiority of one race over any other one;and it creates the first genetic map of the world.In the process of collecting information for the book,however,scientists encountered great difficulties.Theultimate goal of their work is to remove racial prejudice.2.2 Text structureTh
9、e passage falls into four parts.It evolves from the two outstanding scientific contributions of the bookthrough induction.Next,it moves back to the illustrations,as an inserted part,of hard work in collectingthe information needed for the book.Then,the passage comes to the scientists,remark-able dis
10、coveries,aslisted in paras.5 to 9.It is concluded with the social effect,the ultimate aim,of their research.Part I(Paras.1-2)The book The History and Geography of Human Genes proves that the“races are alike under the skin andcreates the first genetic map of the world,the closest thing we have to a g
11、lobal family tree.Part II(Para.3-4)It took decades and pains for scientists to collect the information needed to draw the family tree.Part II I(Para.5-9)The books four remarkable discoveries:A color map of genetic variation has Africa at one end of the rangeand Australia at the other;Africa was the
12、birthplace of humanity;the genetic maps show the origins ofpopulations;and genetic information is also the latest raw material of the medical industry.Part IV(Para.10)Apart from scientific purposes of the research,its social objective is to weaken conventional notions of racethat cause racial prejud
13、ice.3.Words and phrases1)atop selling book:a book that a lot of people buyOf the ten top selling books this year,six are non-fiction ones.今年 10 本最畅销的书中,有 6 本是非小说类的书籍。2)to date:until now 至今，直到现在To date,research has focused on the most obvious feature of living things:cell multiplication.迄今为止研究已集中到生物最
14、明显的特性，即细胞繁殖上。3)more than:having greater value or importance than sth.else or not only.,not just.”Pleasenote here“more than is used in a sentence without an adverbial clause of comparison.“More than followed by a noun phrase:Hes more than a coach;he*s a friend.他不只是一个教练，他更是一位朋友。“More than”followed by
15、a verbal phrase:She more than suffered from the disease;she was penniless.她不仅仅是饱受疾病之苦，而目.穷得身无分文。He more than scolded me:he told me what to do next.他不只是责怪我，还告诉我以后该怎么做。“More than“followed by an adjective phrase:She was more than glad to hear the new s.听至I 这个消息她非常高兴。His house is more than large and bea
16、utiful.他的房子非常大也非常漂亮。4)nothing less than:exactly the same as 简直是，同.一点也不差Please note that nothing less than is often used to emphasize how important or undesirablesomething is.Nothing less than”is often used in a sentence without an adverbial clause ofcomparison.“Nothing less than“followed by a noun p
17、hrase:You Ye nothing less than a murderer!你简直是一个杀人犯！The setting up of this plant in three months is nothing less than a miracle.三个月就建成了这个工厂简 直 就 是 个 奇 迹。“Nothing less than”followed by an adjective phrase:The present trend is nothing less than alarming.当前的这种趋势确实令人担心。His experience is nothing less tha
18、n magical.他的经历简直太具魔幻色彩。5)serve as:fulfil the purpose of(sth.)起.作用，当成The judge said that the fine would serve as a warning to the motorist.法官说罚款会是对这个驾驶者的一种警告。6)be confined to:be restricted or kept within certain limits or time 限制于，局限于So far,fighting has been confined to the capital city.到目前为止，战斗仍没有超出
19、首都的范围。7)as of/from:(used when a new rule,system)starting from 从.时候起The new timetable will come into effect as of January 2003.新的时间表将从 2003 年 1 月起生效。8)in effect:in f a c t 事实上，实际上What the management is saying,in effect,is that they are going to stop providing company cars.管理层的实际意思是，他们将停止提供公司公用车子。9)re
20、semble:v.look like or be similar to another person or thingWhat she saw was the face of a stranger who resembled her.她看见一张很像她的陌生人的脸。10)Compare:bear resemblance to;take afterPauls features bore a strong resemblance to his fathers.保罗的五官非常像他的父亲。Im afraid that youll find it hard to adapt,as the situatio
21、n of the country bears little resemblance tothat of our country.该国的国情与我国相差悬殊，恐怕你不容易适应。The boy takes after his father:he has the same red hair,big feet,and quick temper.这男孩长得像他父亲：同样的一头红发，大大的脚，脾气暴躁。11)adapt to:change ones behavior to deal with a new situation(改变.)使适应Old buildings and streets,well care
22、d for and adapted to todays needs,vastly enhance the quality oflife.古老的建筑和街道被很好地维护和调整以适应今天的需要，这大大地提高了我们的生活质量。12)in combination with:together with,in conjunction with 与.合作，共同By using persuasion in combination with threats,she achieved great political success.她采取利诱和威胁并用的方式，获得了政治上的巨大成功。The artist uses
23、photographs in combination with solid objects to produce this strange effect,这位艺术家用图片加实体的方法，创造出了这种奇异的效果。13)shed/throw light on:make sth.easier to understand(某事)更为清楚，阐明Scientists have shed new light on the life of dinosaurs.科学家们对恐龙的生活有 了新的认识。14)be descended from:have sb.as an ancestor 为.的后裔,是.的后人Char
24、les Darwin pointed out that human beings are descended from animals.查尔斯达尔文指出人类是动物的后裔。15)distinctive:a.having a quality that makes sth.different and easily noticedThe buildings most distinctive feature is its enormous dome-shaped roof.这幢建筑的最大特色是它那巨大的圆形屋顶。Compare:distinct:a.clearly noticeable;that cer
25、tainly existsThere is a distinct smell of cigarettes every time he comes into the room.他每次进房间，就明显有一股香烟味。There is a distinctive smell in the room.房间里有一种特殊的气味。16)unknown:not known;not famous infamous:shameful,notoriousThe show was such a success that she went from an unknown actress to a star overnigh
26、t.演出非常成功，使她从一个默默无闻的女演员转眼成了一位明星。His action in cheating elderly people of their savings was described by the judge as infamous.法官把他这种欺诈老人的存款的做法称为无耻。17)not just.but.as well:not only.but alsoThe government radio not only reported the demonstration,but announced it in advance as well.政府电台不仅报道了这次示威游行，而且事先
27、做了预告。18)conventional:a.following what is traditional or considered to be normalThe house was built with conventional materials but in a totally new style.这房子是用传统的材料建造的，但风格却是全新的。Theyre a conventional family.他们是一 个很传统的家庭。4.Sentence Patterns1)Sth./Sb.is widely assumed/be 1 ieved/thought to But sth./sb.
28、else tells a different story.人们普遍认为.然 而.表明并非如此。应用：a.人们普遍认为诚信已从我们的社会生活中消失。然而发生在某高校的饭卡事件表明并非如此。Honesty is widely assumed to have gone out of our social life.But the incident of mess cards in a certainuniversity told a different story.2)Sth.superficial has persuaded sb.that-But sth.else begs to differ.
29、表面现象使得某人认为.然 而.说明了不同的结果。a.五花八门的作弊手段使得一些教育者认为考场作弊防不胜防。然而诚信协定说明了不同的结果。The diversity of tricks in cheating has persuaded some educators that cheating in examinations is hard toguard against.But a treaty of trust begs to differ.b.追求财富的不良倾向使得一些人认为人都是金钱的奴隶。然而他拾金不昧的做法说明了不同的结果。The undesirable trend in seeki
30、ng for wealth has persuaded some people that the mortal are all slaves tomoney.But his way of not pocketing the huge sum of money he picked up begs to differ.3)Sth.,in combination with sth.else,confirms that*给 ，某事证实了.结合他们的调查访问，这一事件证实了：得道多助，失道寡助。This event,in combination with their investigations and
31、 interviews,confirms that a just cause enjoysabundant support while an unjust cause finds little support.4)The ultimate aim/target/objective/goal of doing sth.is to*做某事的最终目的是.a.我攻读研究生学位的最终目的是成为该领域一名出色的研究者。The ultimate aim of my pursuing a masters degree is to become an outstanding researcher in the
32、field.b.中国改革开放的最终目的就是使其经济跻身于世界先进行列，确保人民过上富足的生活。The ultimate objective of Chinas reform and opening-up is to raise her economy to the advanced level inthe world and ensure a plentiful life for the people.5.Summarythat one race is in any way genetically superior to any other.The book has also traced the paths that humansin the past took when migrating around the world.And it appears that Africa is the very origin of mankind.Biologically the visible differences we see between modem populations are largely adaptations over time tothe environment,caused by moving to different climates.