全新版综合教程B3U3

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1、 Unit 3 SecurityText A The Land of the LockYears ago in America, it was customary for families to leave their doors unlocked, day and night. In this essay, Greene regrets that people can no longer trust each other and have to resort to elaborate security systems to protect themselves and their posse

2、ssions. Teaching ObjectivesStudents will be able to:1. grasp the main idea (America is deteriorating into the most insecure nation) and the structure of the text (opening - body - conclusion);2. learn to use comparison and contrast in writing more effectively and to use keywords for more efficient r

3、eading;3. master the key language points and grammatical structures in the text;4. conduct a series of reading, listening, speaking and writing activities related to the theme of the unit. Before Reading1. English SongSaturday Night SpecialListen to the SongQuestions about the Song1) -Who is Mr. Sat

4、urday Night Special? The gun 2) -What is the message of the song? Its dangerous to have guns.2. Airport SecurityExtraordinary challenges require extraordinary measures. The terrorist attacks on America of September 11, 2001 require that Americans reform their Nations aviation security system in fund

5、amental ways. On September 27, President Bush launched the process of reform by announcing his proposal for a $500 million federal grant program to strengthen aircraft security and federal management of airport security and screening services. 3. Security SystemsHold a discussion within students to

6、see what equipment we usually use to keep us safe.security chains electronic alarm systems trip wires sliding glass doors with steel bars access cards electronic X-ray equipment high-intensity light rape whistles dead-bolt locks4. Some Security Measures in Ancient TimeThe Great WallListen and answer

7、 the following questions.The Great Wall is a popular name for a semi-legendary wall built to protect chinas northern border in 3rd century BC, and fro impressive stone and earthen fortifications built along a different northern border in the 15th and 16th centuries AD, long after the ancient structu

8、re had disappeared. Ruins of the later wall are found today along former border areas from Bo Hai in the east to GansuProvince in the west.1) What was the aim of building the Great Wall originally?To protect Chinas northern border in the 3rd century BC.2) Where are the ruins of the Great Wall locate

9、d now?From Bo Hai in the east to GansuProvince in the west. CastleCastles were built in places where they could be easily defended. A position on high ground provided the defenders with a view of the surrounding countryside, making attacks more difficult. In flat areas, castles were surrounded by a

10、protective moat.5. Security Situations in the USATerrorist Attacks on Sept. 11, 2001Wherever you were in lower Manhattan before September 11th, 2001, two buildings dominated the landscape. Critics said the WorldTradeCenter towers didnt relate to their surroundings and werent especially pleasing in d

11、esign. But the fact is that they were big, undeniably and frighteningly so, and a walk across the plaza in summer months could make your head reel. On February 26, 1993, the World Trade Center complex was rocked by an explosive device left in one of the underground parking lots; sit people were kill

12、ed and over a thousand injured.On the morning of September 11, 2001, the United States of America awoke to find itself under attack. Several terrorist attacks within an hour wreaked havoc in New York City and Washington, D.C., causing widespread devastation and more than five thousand casualties on

13、September 11, 2001. It was the deadliest day in American history, costing more lives than the attack on Pearl Harbor or D-Day. Separate hijacked commercial airliners hit both of the WorldTradeCenter towers in Manhattan, setting them on fire and leaving gaping holes in each. Both eventually collapsed

14、 to the street below.Match the words in Column A which you will hear in the passage with the correct meanings in Column B.Column A Column B(C) 1.dominate A. to be in a state of confusion(F) 2.undeniable B. fall down(A) 3. reel C. to control or govern(D) 4.devastation D. severe damage(E) 5. casualtie

15、s E. people killed or injured in an accident(B) 6. collapse F. unquestionably trueListen and decide whether the following statements are true (T) or false (F).1) The twin towers were located in upper Manhattan. (F)They were located in lower Manhattan.2) Many people claimed that the buildings went on

16、 well with the surroundings. (F)Many critics stated that they didnt relate to their surroundings.3) In 1993, the WorldTradeCenter was attacked, but fortunately no one was hurt. (F)Six people were killed and more than a thousand were injured.4) The terrorist attack on September 11, 2001 happened in t

17、he morning. (T)5) The casualties of this terrorist attack were fewer than those of the attack on Pearl Harbor. (F)The terrorist attack on September 11, 2001 caused more lives than the attack on Pearl Harbor.President Bushs AddressLadies and gentlemen: This is adifficult moment for America. I, unfort

18、unately, will be going back to Washington after my remarks. Secretary Rod Paige and the Lieutenant Governor (副州长) will take the podium (讲台) and discuss education. I do want to thank the folds here at BookerElementary School for theirhospitality. Today weve had a national tragedy. Two airplanes have

19、crashed into the WorldTradeCenter in anapparent terrorist attack on our country. I have spoken to the Vice President, to the Governor of New York, to the Director of the FBI, and have ordered that the full resources of the federal government got help the victims and their families, and to conduct a

20、full-scale investigation to hunt down and to find those folks who committed this act. Terrorismagainst our nation will not stand. And now if you would join me in a moment of silence. May God bless the victims, their families, and America. Thank you very much.American Campus ShootingDetroit：On Decemb

21、er 11,1998, WayneStateUniversity professor was shot and killed while collecting final exams from his engineering students when the gunman stepped into the classroom and opened fire with a rifle. The professor fell wounded to the floor, only to be shot again by the man who took the time to reload.Lit

22、tleton:On April 20,1999, tow teenage students opened fire on classmates and teachers in their suburban Denver school, killing 15 people including themselves.Los Angeles:OnOctober11,1999, five students were fatally wounded in a Jewish community center.Springfield:On May 21,1998, a freshman student op

23、ened fire with a semi-automatic rifle in a high school cafeteria, killing two students and wounding 22 others. The teenagers parents were later found shot to death in their home.Fayetteville:On May 19,1998, a high school senior shot and killed another student in the school parking lot at Lincolncoun

24、tyHigh School.Pearl:On October 1, 1997, a 16-year-old student in Pearl, Mississippi, s accused of killing his mother, then going to school and shooting nine students. Two of them died. Global Reading1. Part Division of the TextPartsLinesMain Ideas1111In America, the era of leaving the front door on

25、the latch has drawn to a close.21260A new atmosphere of fear and distrust creeps into every aspect of daily life. As a result, security devices, in varied forms, are put to use.36174By locking our fears out, we become prisoners of our own making.2.Further Understanding For Part 1 True or False1) The

26、 phrase “on the latch” means the door is closed and locked. (F)This phrase means the door is closed but not locked.2) Nowadays, doors, not only in cities but also in rural areas, are locked. (T)3) Urban streets are more dangerous than outskirts and country areas. (F)Suburbs and country areas are mor

27、e dangerous than urban streets.4) InAmerica nowadays, no one leaves his front door on the latch anymore. (T)For Part 2 Supporting Facts for the Central IdeaIn this part the author uses lots of facts to support his central pint of view: America is deteriorating from “the Land of the Free” into “the m

28、ost insecure nation”. Could you find any more supporting facts in addition to those listed below?1) Doors are not left unlocked either in cities or in rural areas.2) Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use.3) Suburban families have steel bars built

29、 in sliding glass doors.4) Small notices warming against burglary are commonly seen pasted on the windows of the most pleasant of homes.5) Access cards are required of those who work with medium- to large-size companies.6) Airport security uses electronic X-ray equipment to guard against terrorism.7

30、) Businessmen employ new machines linked up the their telephone to determine whether the caller is telling lies or not.8) Suburban housewives wear rape whistles on their key chains.DiscussionIn Line 19 to Line 22, the author mentions a public service advertisement by a large insurance company. Discu

31、ss the following questions.1) What does this ad point out?The lock is the new symbol of America. 2) What is the authors purpose of using this example?Sentence CompletionRead Part 2 carefully and supply the missing information.1) We have become so used to defending ourselves against the new atmospher

32、e of American life, and so used to putting up barriers.2) We are satisfied when we think we are well-protected.3) With electronic X-ray equipment, we seem finally to have figured out a way to hold the terrorists at bay.4) We do not want to afford ourselves even so much a luxury as a shadow.For Part

33、3 Questions and Answers1) Under what excuse do people resort to all these means mentioned in Part 2?In the name of “Security”.2) Does the author think they are justified in doing so?No. Because in the authors opinion, America becomes the most insecure nation with all these means.3) According to the

34、author, what may be the legacy we remember best when we recall this era?We became prisoners of ourselves when we deal with the unseen horrors among us.3. Word Scanning1) Scan the text to find all the sentences containing the word “lock” or the word with “lock” as its root.A“lock”a) the door was clos

35、ed but not locked. (Line 3)b) It has been replaced by dead-bolt locks, security chains, electronic alarm systems (Line 12)c) The lock is the new symbol of America. (Line 19)d) the transformation of America from the Land of the Free to the Land of the Lock. (Line 27)e) we devise ways to lock the fear

36、 out. (Line 62)f) We may have locked the evils out, but in so doing we have locked ourselves in. (Line 71)B “lock”a) doors do not stay unlocked, (Line 7)b) a picture of a childs bicycle with the now-usual padlock attached to it. (Line 22)2) Based on these sentences, summarize the main idea of this t

37、ext.Text AnalysisWhen we read, we are not only learning new vocabulary or structures, but also looking for key information. Identifying keywords is even more important if our reading time is not that plentiful.Lock is the keyword in this text, by locating locks throughout the text, we get a pretty g

38、ood idea of what this essay is about. There are several examples of comparison and contrast in this article: Para 1 vs. Para 4, Para 10 vs. Para 11, Para 12 vs. Para 13. The first pair acts as the opening of the whole piece of writing. The latter two are just two supporting details for the central a

39、rgument. Its interesting to see how the author threads his narration back and forth between the past and the present. Never for once does he write in the past or at present explicitly. He has still cleverer devices at hand, like a subtle tense change (e.g. simple past in Para 1 vs. present perfect i

40、n Para 4), a phrase that indicated an old habit in contrast with a phrase indicating the current state (i.e. used to vs. no longer in Para 11), or a summary sentence (It wasnt always like that in Para 12). Detailed ReadingWords, phrases and sentencesPart One (P 1P3) In America, the era of leaving th

41、e front door on the latch has drawn to a close. 1. (L2)on the latch: (of a door) closed but not locked (门)关着但没上锁Dictation: Let yourself in; the door is on the latch.-Dont forget to leave the front door on the latch if you go to bed before I come back. 2. (L2)I dont know if that was a local term or i

42、f it is universal.1) “Local” means “of a particular place”, while “universal” means “common to all conditions, or situations”.2) Translate the sentence into Chinese我不知道这是当地的一种说法，还是大家都是这么说的3. (L6) rural: adj. 乡下的；农村的; 有乡村特点的of, in or suggesting the countryside-By the year 2003 urban residents will ou

43、tnumber rural residents in most developing countries.-庄稼种在乡村地区。Crops are grown in rural areas.*-In rural areas the distance between buildings makes infrastructure development costly.4. (L6) doors do not stay unlocked, even for part of an evening:Paraphrase the sentence.doors are always locked, even

44、just for a short period of time in the evening.5. (L8)vulnerable: adj.易受攻击的; 脆弱的；敏感的exposed to danger or attack; unprotected *(used in the pattern: be vulnerable to ) n. vulnerability -Compared with Saudi Arabian soccer team, the Chinese team is more vulnerable. -你的论点相当容易受到批评。 Your arguments are rat

45、her vulnerable to criticism.*-Intruders are developing techniques to harness the power of hundreds of thousands of vulnerable systems on the Internet.*-Museums in the developing world often have fewer security measures and thus remain more vulnerable to thefts.6. (L9)urban: adj. 城市的, 市的of, situated

46、in or living in a city or town *antonym: suburbn.市郊, 郊区 Dictation: Motor vehicle emissions, to a large extent, are responsible for urban air pollution. *-We would adopt drastic measures to cut back not only on carbon dioxide but acid rain and urban smog as well.*urban critic城市问题评论家 urban districts 市

47、区 urban guerrilla城市游击队*urban telephone城市 the urban population城市人口 urbanist城市规划专家Collocation:Urban districts 市区The urban population 城市人口Urban areas 市区CF: urban & municipal 这两个词都有“都市的，城市的”之意。urban指以都市中心为主的行政区。例如：-Nowadays, s the population and vehicles increase, urban districts seem to be more crowded

48、.如今，随着人口的增长和交通工具增多，市区似乎变得更拥挤了。-Our government has always paid much attention to the life of the urban poor.我们的政府历来都重视城市贫民的生活。Municipal 主要指与城市、镇或其政府相关的部门、服务机构，尤指市政府机构管辖下属于公共的，为公众服务的设施，事业等，例如：-Cities usually use taxes for education, police and fire departments, public works and municipal buildings.城市通

49、常将税收用于教育，公安和消防部门、公共设施和市政建设。7. (L9) statistics: n. 统计，统计资料collection of information expressed in numbers -The statistics indicate that roughly every 22 years a major drought occurs in the United States.-进行统计collect/take statistics*-The US Immigration and Naturalization Service said government statist

50、ics on foreign workers were incomplete.8. (L10)tranquil: adj. 安静的； 宁静的；平静的calm, quite and undisturbed antonym: noisy -The old man is living a tranquil life in the country.-Visitors like to stay in this hotel because it is beautiful and located in a tranquil lake area.-The hospice aims to bring peace

51、 and comfort to the dying by offering expert care and a tranquil atmosphere.tranquility n. state of being tranquil安静、平静、宁静 -尖利的惊叫声打破了夜晚的宁静。 A sharp cry of surprise disturbed the tranquility of the night. *tranquilly adv. 平静地、宁静地 *tranquilize v. 使安静（尤指用药物） tranquilizer n. 镇静剂CF: tranquil & calm这两个词都有

52、“安静的，平静的”之意。 Tranquil 指安宁的，平静的。例如： -We found a tranquil spot on the bank of a river to have a rest. 我们在河岸上找到一块宁静的地方休息了一下。 -She has a tranquil life in the country, in a out-of-way little village. 她在乡间一座偏僻的小村里过着宁静的生活。Calm 表示平静的，镇静的，指一种毫无迷惑与兴奋的宁静状态。例如： -He went straight into his room, his face quite ca

53、lm. 他径直走进自己的房间，脸色十分平静。 -She remained calm on the face of imminent disaster. 灾难临头而她镇静自若。9. (L11) era: n.时代, 纪元, 时期, 地代a period of history or a long period of time -the era of space travel-The Christian era starts with the birth of Christ.Dictation: Our era produces a host of heroes and heroines.-我们现在

54、正处于一个新的伟大的信息时代。We are now in a great new era of information.*-The dinosaurs died out about 66 million years ago, at the end of the Mesozoic Era. *-We are living in the computer era. *-We are also living in the era of space travel.太空旅行时代*-Young students should study hard to ensure the countrys fast e

55、conomic and social development in the era of globalization.*CF: era, age, epoch, period *age指以重要人物或事件为标志的一段时间. * -The Victorian Age The Iron Age *epoch指以某重大事件或巨大变化为起点的新的历史时期. -*-Einsteins theory marked a new epoch in mathematics. 爱因斯坦的理论标志着数学史上的新纪元. *period可指任何一段时间,长短不限. *era指历史上独立的时代,比epoch长. *-the

56、 Christian era *-The Roman era is computed from the date when Rome was supposedly founded.罗马时代是以推测出的罗马城建立的日期算起的.Ss sums up the main idea of PartI. (2 minutes)Part One (Paras 1-3): In America, the era of leaving the front door on thelatch has drawn to a close.Part Two (P4P15) A new atmosphere of fear

57、 and distrust creeps into every aspect of daily life. As a result, security devices, in varied forms, are put to use.10. (L12) electronic: adj. 电子的of or relating to electronics or devices and systems developed through electronics -Use of the Internet is replacing other forms of electronic communicat

58、ion.*-The increasing globalization of the electronic marketplace offers opportunities for businesses and consumers in terms of both access and choice. *-Use of the Internet is replacing other forms of electronic communication.*-The Internet offers users a number of basic services including data tran

59、sfer, *electronic mail, and the ability to access information in remote databases.*electron n. 电子 electronic adj. 电子的 *electronics n. 电子学(单数) /电子设备(复数) *CF : electronic, electric, electronical *electronic电子的,如: 电子媒体 电子 *-electronic media -electronic mail *electric由电产生的、带电的、用电的 *-an electric current/

60、 iron/ torch/ light*electronical关于电的，有关电（学）方面的 *-electronical engineering 电机工程学11. (L13) hook up to: v. 连接到; 接通中心系统connect or attach (sth.) to (sth. else) with or as if with a hook-My computer is hooked up to the Internet, so I can communicate with my students at home via email.Dictation: The alarm

61、systems in the banks are hooked up to the local police station.Collocations: hook up连接 on the hook 处于困境 off the hook 脱离困境 hook-nosed 鹰钩鼻的hook a fish钓鱼 hook a husband 钓个金龟婿12. (L15) build in / into: v. 使成为（建筑物的）固定部分make (sth.) as part of the structure -The cupboards in the kitchen are all built in. -

62、We are having shelves built into the wall over the bed.Collocations:build on/upon 把建立于,以为思想,行动的基础之上 build up 逐步建立;增进,增强13. (L15) pry: 1) vt.（用工具）撬起，撬开，撬动force sth. open or away from a surfacepry open撬开 -Her car trunk had been pried open and all her equipment was gone. -你能不能帮我不打破这个木箱盖而撬开它？ Can you he

63、lp me pry the cover off this wooden box without breaking it?*-They pried open a sticky can of blue paint. 2) vi. (常与into, about连用）刺探；侦察；窥探 - Dont pry into the affairs of others.莫管闲事。 -You should stop prying; you know, its unlawful to read other peoples letters! Collocation:pry about到处窥探 pry into窥探,