全新版大学英语综合教程第三册课件 Unit 3.ppt

1、1,Unit 3: Security Text A: The Land of Lock,2,Part I:Introduction of Author,Bob Greene is a Chicago Tribune columnist for whom life appears to have peaked at a 1964 Jan and Dean concert in his native Columbus, Ohio.,3,Greenes frequent ink-stained trips to the past tell us that though weve gained muc

2、h as time has marched forward, we have lost much as well. We have lost, as Greene emphasizes, our inability to escape the technology that aids us. This test “The Land of The Lock” is just a good example of his works.,4,Culture,Crime prevention: In the United States today, Americans are growing more

3、concerned with their security. It is reported that the crime rate is soaring. To help people protect themselves from crime, police departments in many states have offered to citizens safety tips:,5,Tips: Avoid walking or running alone at night. Instead go walking or jogging with a friend. Always wal

4、k in well-lighted areas. Avoid the use of short cuts. After dark, keep away from large bushes or doorways where someone could be lurking.,6,I. Text Organization Part 1: Paras. 1-3: In America the era of leaving the front door on the latch at night is over. Part 2: Paras. 4-15: A new atmosphere of fe

5、ar and distrust creeps into every aspect of daily life. As a result, security devices, in varied forms, are put to use. Part 3: Paras. 16-end: By locking our fears out, we become prisoners of our own making.,7,II. Various kinds of security devices: 1) Dead-bolt locks, security chains, electro-nic al

6、arm systems and trip wires are widely in use. 2) Suburban families have steel bars built in sliding glass doors. 3) Small notices warning against burglary are commonly seen pasted on the windows of the most pleasant homes.,8,4) Access cards are required of those who work with medium- to large-size c

7、ompanies. 5) Airport security uses electronic X-ray equipment to guard against terrorism. 6) Businessmen use new machines linked up to their telephones to help detect whether the caller is telling lies or not. 7) Suburban housewives wear rape whistles on their key chains.,9,III. Features of Writing

8、in the text 1. When we read, we are not only learning new vocabulary or structure, 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

9、 good idea of what this essay is about.,10,2. There are several examples of comparison and contrast in this article: Para l vs. Para 4, Para l0 vs. Para 1l, Para l2 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 c

10、entral argument. 3. Other devices: It is interesting to see how the author threads his narration back and forth between the past and present. Never for once he does write “in the past” or “at present” explicitly.,11,The writer has still cleverer devices at hand, like a subtle tense change (e.g. simp

11、le past in Para. 1 vs. present perfect in Para. 4), a phrase that indicate 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).,12,1. on the latch: (of a door) closed but not

12、locked -Dont forget to leave the front door on the latch if you go to bed before I come back. 2. close up: shut sth. esp. temporarily -I want so much to close up my store and go traveling for a couple of months. -On the New Years Eve the stores in the town are all closed up. c.f. A close-up snap-sho

13、t,13,3. vulnerable: exposed to danger or attack; unprotected - Compared with Saudi Arabian soccer team, the Chinese team is more vulnerable. - Museums in the developing world often have fewer security measures and thus remain more vulnerable to thefts.,14,4. statistics: collection of information exp

14、ressed in numbers -The US Immigration and Naturalization Service said government statistics on foreign workers were incomplete. -The statistics indicate that roughly every 22 years a major drought occurs in the United States.,15,5.allegedly: stated or declared as a fact allege: state as a fact but w

15、ithout proof -He is allegedly a thief. -The newspaper reporters alleged that the man was murdered but they have given no proof. 6. tranquil: calm, quiet and undisturbed - The hospital aims to bring peace and comfort to the dying by offering expert care and a tranquil atmosphere.,16,7. at any rate: i

16、n any case; whatever happens -At any rate, orders must be obeyed. - At any rate, the task must be fulfilled,17,8. era: a period of history or a long period of time -The discovery of antibiotics marked an era in modern medicine -We are now in a great new era of information. -Our era produces a host o

17、f heroes and heroines.,18,9. hook up to: 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 all my clients at home via email. -The alarm system in the bank is hooked up to the local police station.,19,10.build in / into:

18、 make (sth.) as part of the structure -The cupboards in the kitchen are all built in. -We are having shelves built into the wall over the bed. 11.premise: l) (pl) all the buildings and land that an institution occupies on one site -The shop sells food but doesnt allow it to be eaten on the premises.

19、 -The company is looking for new premises.,20,2) sth. that you accept as true and use as a basis for another idea or way of thinking (usu. followed by that clause) -The corporation operates on the premise that family life directly affects business results. -The program started from the premise that

20、men and women are on equal terms in this society.,21,12. feature: (v.) give a prominent part to (sb./sth.) -The newspaper featured the story of the event. -Painting in her spare time features largely in her life. -They had a traditional Thanksgiving dinner featuring roast turkey.,22,13. put up: buil

21、d or erect -He put up a new fence around his house to prevent strangers from entering his premises. -Most of the old buildings were pulled down so that blocks of new apartments could be put up.,23,14.barrier: thing that prevents progress or movement -The driver slowed down as he approached the polic

22、e barrier. -The program serves as a barrier that stops children viewing unhealthy programs on the Internet. 15. It occurs to sb that: Sb happens to think that -Does it ever occur to you that I may come to see you ? -It never occurred to me that he might be lying.,24,16.barricade: a barrier of large

23、objects, intended to stop an enemy; block with a barricade - Various barricade block off all the main street of the city. - Protesters have been putting up barricades across a number of major streets. 17. Chances are that: It is very likely that -The chances are (slim/ten to one) that our team will

24、win. -leave sth to chances,25,18. take off: 1) move from the ground and begin to fly; 2) (of a business) rise -It was a narrow escape. The plane did not take off until it ran to the very end of the runway. -The company was taking off when the financial crisis broke out in the middle of 1997.,26,19.

25、hold/keep (sb.) at bay: prevent (an enemy, pursuers, etc.) from coming near -Eating oranges keeps colds at bay. -She left the light on at night to keep her fears at bay. 20. stand for: represent; mean -He hates us and everything we stand for. -That newspaper is often thought to stand for freedom of

26、speech. -“GMT” stands for Greenwich Mean Time.,27,c.f. stand up (for sb./sth.) (Line 13,Unit 2: speak, work, etc. in favour of sb./sth.; support sb./sth. -You have to be prepared to stand up for the things you believe in. 21.be bathed in: cover or envelope as if with liquid; bask in; -The fields and

27、 woods were bathed in the golden light of the rising sun. -He bathed his feet in the warm water to relieve the pain.,28,22. with/by a small/large margin: (n.) an amount above what is necessary, esp. for success (差数,幅度) -Governor Bush won the election but by a small margin. -Demand for college educat

28、ion exceeds capacity by a large margin. -With the improvement of their living conditions, peoples demand for air-conditioning has increased by a large margin.,29,23.reflection: l) a thing bringing discredit or criticism (followed by on) 2) reflecting (careful thinking) or being reflected -The fact t

29、hat we all failed the test was a reflection on our teacher. -When children are criticized by their teachers, mothers often see it as a reflection on themselves. -After much reflection, Ive come to a decision. After thirty years as a teacher, his reflections on life were worth listening to.,30,24. pu

30、zzling: confusing, not easy to understand -I found that English film very puzzling. -Nobody at the meeting liked his puzzling statement. puzzle: cause (sb.) to feel confused and slightly worried because they cannot understand sth.; thinking hard in order to understand -It puzzles me why she gave up

31、the chance of studying abroad. -The police are still puzzling about the cause of the accident.,31,Useful Expressions,1. resort to (elaborate security systems) 诉诸，求助于，凭借 2. Leave the front door on the latch at night 夜不闭户 3. Close up the door 关闭门户 4. At any rate 无论如何；不管怎样 5. Hook the trip wires up to

32、the police station 把触发式报警系统与警察局连接起来 6. A built-in alarm system 内置式报警系统,32,7. Be under surveillance 在被监视之下 8. Public service advertisements 公益广告 9. make psychic payment for 对做出精神赔偿 10. defend oneself from sth. 使自己不受侵犯 11. Put up barriers 设置障碍 12. It didnt occur to sb. 某人不曾想到 13. Barricade oneself aga

33、inst sb 自隔于某人 14. Take over our lives主宰我们的生活 15. Carry an access card携带出入卡/证,Useful Expressions,33,16. Wander in and out of work 随意上下班 17. Figure out a way 想出一个办法 18. Hold the terrorists at bay 使恐怖分子无法近身 19. Be bathed in high intensity light 在强光照射之下 20. With a small margin of error 出错率甚微 21. In the name of 以的名义 22. Devise ways to lock the fear out 设法把恐惧锁在外面,Useful Expressions,34,Writing Homework,Directions: Spend about 30 minutes writing a composition on the topic “Should Violence Be Forbidden on the Screen?” according to the OUTLINE in Chinese. You