Unit-3-Security-PPT课件.ppt

1、nNo one picked up and pocketed anything lost on the road, while no family had the need to bolt the doors at nightn路不拾遗，夜不闭户路不拾遗，夜不闭户War911nOn the morning of September 11, 2001, 19 Islamic extremists hijacked four commercial passenger jet airliners. nTwo of the airliners were crashed into the World T

2、rade Center in New York City. nA 3rd airliner was crashed into the Pentagon. nThe 4th aircraft crashed into a field in rural Somerset County, Pennsylvania. nIn addition to the 19 hijackers, 2,973 people died; another 24 are missing and presumed dead.nGunshotnFightnBurglaryCrimeAmerican campus shooti

3、ngVirginia Tech Massacre: On April 17th, 2007, a 23-year-old student, killed 32 people in the shooting rampage at the Virginia Polytechnic Institute.Littleton Massacre: On April 20th, 1999, two teenage students opened fire on classmates and teachers in their suburban Denver school, killing 15 people

4、 including themselves.Some Security Measures in Ancient TimenThe Great WallnWhat is the original reason to build The Great Wall?nCastlenBuilt in places where they could be easily defended. nUsually surrounded by a protective moat.Some Security Measures in Ancient TimenAirport SecuritynStrengthened a

5、fter the terrorist attacks on September 11, 2001 Some Security Measures in Modern TimenLockSome Security Measures in Modern Timedead-bolt lockssecurity chainselectronic alarm systemstrip wiressliding glass doors with steel barsaccess cardselectronic X-ray equipmentelectronic friskershigh-intensity l

6、ightrape whistles防盗门防盗门防护链防护链电子报警系统电子报警系统触发式报警器触发式报警器装有钢条的玻璃滑门装有钢条的玻璃滑门通行卡通行卡电子透视装置电子透视装置电子搜查器电子搜查器强光源强光源防暴口哨防暴口哨Security Systems in Modern TimeCrime Prevention: nYou may discuss the following questions with your partners.nHow to protect yourself while walking at night? (see Safe Tips)nHow to protec

7、t your family from burglaries?nHow to protect yourself when using a banks automated teller machine?nAvoid walking or running alone at night. nAlways walk in well-lighted areas.nAvoid the use of short cuts.nKeep away from large bushes or doorways where someone could be lurking.nIf someone in a vehicl

8、e stops and asks for directions, answer from a distance. Do not approach the vehicle.nIf followed, go immediately to an area with lights and people. If needed, turn around and walk in the opposite direction.Safe Tips:While-reading TasksnInterpret the title -The Land of the Lock in your own words in

9、English.nScan the text and underline sentences containing the word “lock” or the word root “lock”. (see next page)n the door was closed but not locked (para 1)n doors do not stay unlocked (para 2)nIt has been replaced by dead-bolt locks (para 4)nThe lock is a new symbol of America. (para 6)na pictur

10、e of a childs bicycle with the now-usual padlock attached to it (para 6)nthe transformation from the Land of the Free to the Land of the Lock (para 7)nwe devise ways to lock the fear out (para 16)nWe may have locked the evils out, but in so doing we have locked ourselves in. (para 18)While-reading T

11、asksnOpening(1-3)nBody(4-15)nConclusion(16-19)Text OrganizationIn America, the era of leaving the front door on the latch has drawn to a close.As a result of the new atmosphere of fear and distrust, security devices, in varied forms, are put to use.By locking our fears out, we become prisoners of ou

12、r own making.Body: nIn this part, the author uses lots of facts to support his central point of view: nAmerica is deteriorating from “the Land of the Free” into “the most insecure nation”. nCould you find any more supporting facts in addition to the one that has been listed below? n1) Doors are not

13、left unlocked either in cities or in rural areas.n2) Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use. n3) Suburban families have steel bars built in sliding glass doors.n4) Small notices warning against burglary are commonly seen pasted on the windows of t

14、he most pleasant of homes.Body: n5) Access cards are required of those who work with medium-to-large-size companies.n6) Airport security uses electronic X-ray equipment to guard against terrorism.n7) Businessmen employ new machines linked up to their telephone to determine whether the caller is tell

15、ing lies or not. n8) Suburban housewives wear rape whistles on their key chains.Body: Group DiscussionnWhat do you think has led to deterioration in security in the US?nIs there a similar problem in China (give some examples)? If so, what can be done to better the situation?nWhat do you understand b

16、y the authors remark “We have become so smart about self-protection that, in the end, we have all outsmarted ourselves”?Language Pointson the latch: (of a door ) closed but not lockednLet yourself in; the door is on the latch.n如果你睡觉时我还没回来，记得门别上如果你睡觉时我还没回来，记得门别上锁。锁。nDont forget to leave the front doo

17、r on the latch if you go to bed before I come back.close up: shut (sth.) esp. temporarilynI wanted so much to close up my store and go traveling.nOn the New Years Eve all the stores were closed up in my hometown.nOther usages:nThe cut took a long time to close up. ( heal )nThe police officer ordered

18、 the men to close up. (coming or bring (sth.) closer together)nClose down:关闭、歇业关闭、歇业nClose in on/around:包围包围rural & urbannThe disease occurs most frequently in rural areas.nThe quality of urban living has been damaged by excessive noise levels.n英语句子中常可见到两个表示否定意英语句子中常可见到两个表示否定意义的词连用的情况，这一现象通常称义的词连用的情

19、况，这一现象通常称为双重否定。这种句子形式上虽为否为双重否定。这种句子形式上虽为否定，实则表示强烈的肯定语气。英语定，实则表示强烈的肯定语气。英语双重否定句常见的有如下三种句型：双重否定句常见的有如下三种句型：n1否定词否定词 nonot等表示否定意义的形容等表示否定意义的形容词。例如：词。例如：nNothing is impossiblen没有什么是不必要的。没有什么是不必要的。nHe has no small reputation as a scientistn他是名气很大的科学家。他是名气很大的科学家。nIt is conflict and not unquestioning agree

20、ment that keeps freedom aliven使自由保持活力的是冲突而不是绝对的一致。使自由保持活力的是冲突而不是绝对的一致。n2否定词否定词 nonotnever等等without例如：例如：nNo smoke without fire.proverbn谚无火不起烟；无风不起浪。谚无火不起烟；无风不起浪。nNothing to be got without pains but poverty.proverbn谚只有贫穷是可以不劳而获的。谚只有贫穷是可以不劳而获的。nWe cannot succeed without your help.n没有你们的帮助，我们就不能成功。没有你们

21、的帮助，我们就不能成功。n3否定词否定词 nonotnevernobodyfew等具有否定意义的动词或短语。例如：等具有否定意义的动词或短语。例如：nThe tart reply did not discomfort himn那尖刻的回答并没有使他难过。那尖刻的回答并没有使他难过。nThe Dole company says it is the biggest fruit packing companyNobody disagreesn多尔公司说它是世界上最大的水果罐头公司。多尔公司说它是世界上最大的水果罐头公司。没有人对此提出异议。没有人对此提出异议。n英语双重否定句不仅限于以上三种句型，还

22、有其他一英语双重否定句不仅限于以上三种句型，还有其他一些形式。如：些形式。如：nIt is impossible not to do the workn否定形容词在前，而否定词在后，否定不定式否定形容词在前，而否定词在后，否定不定式nId review all the facts of the case and，not infrequently，wonder if I hadnt made a poor decisionn否定词后接具有否定意义的副词否定词后接具有否定意义的副词nBut it seemed no impossibility to Marconi，n否定词后接具有否定意义的名词否

23、定词后接具有否定意义的名词nThere is no rule that has no exceptionn两个相同的否定词重复使用两个相同的否定词重复使用 statistics: collection of information expressed in numbersn1) the science of statistics nStatistics is not easy for those who are not good at numbers.n2) collection of information shown in numbersnStatistics show that the

24、spread SARS has been under control.tranquil: calm, quite and undisturbednVisitors like to stay in this hotel because it is beautiful and located in a tranquil lake area.n富人们从吵闹的市区搬到更安静而且污染少的富人们从吵闹的市区搬到更安静而且污染少的乡村地区。乡村地区。nThe rich moved from the noisy urban areas to the more tranquil and less pollute

25、d rural areas.nSee compareCompare: tranquil & calm & serenencalm: 平静的；镇静的，沉着的平静的；镇静的，沉着的 nAfter a night of fighting, the streets are now calm.nShes not very good at keeping/staying calm in difficult situations. nserene: 平静的，安宁的；安详的平静的，安宁的；安详的nShe has a lovely serene face. nWhat amazes me is his sere

26、ne indifference to all the trouble around him. era: a period of history or a long period of timenWe are living in the computer era.n计算机的发明标志着一个新时代的开始。计算机的发明标志着一个新时代的开始。nThe invention of the computer marked the beginning of a new era. hook up to: connect or attached (sth.) to (sth. else) with or as i

27、f with a hooknMy computer is hooked up to the Internet, so I can communicate with my students at home via email.nhook up: fasten by means of hooks and eyesnWill you hook me up at the back? build in/ into: make (sth.) as part of the structure nThe cupboards in the kitchen are all built in.n我们把灯安装进了床头

28、的墙壁里。我们把灯安装进了床头的墙壁里。nWe have the lights built into the wall over the bed.feature:nN. n1. any part of the face(脸面的一部分脸面的一部分)nHer mouth is her best feature. n她的嘴是她容貌上最好看的部分。她的嘴是她容貌上最好看的部分。n2. a mark by which anything is known; a quality(特色特色)nThe use of bright colours is one of the features of her pai

29、nting.nV.n1. give a prominent part to (sb/sth)(给给以显著地位，突出以显著地位，突出)nIt was industrial expansion that featured the last century.n2. to give or have a part (especially an important one)(由由主演主演)nThat film features the best of the British actresses.feature:put up: build or erectnHe put up a new fence aro

30、und his house.nTheyre putting up some new houses. nSee next page - Other usage.nPut up your hand if you want to ask a question. (to raise (a hand, etc.) nHe put the poster up. (to fix on a wall etc )nTheyre putting up the fees again. (to increase (a price etc)nHes putting up a brave fight. (to offer

31、 or show (resistance etc)nHe promised to put up the money for the scheme. (to provide (money) for a purpose )nCan you put us up next Thursday night? (to provide (a bed etc) for a person in ones home)barrier: n.n1. something that causes difficulty nThe program serves as a barrier that stops children

32、viewing unhealthy programs on the Internet.n2. something put up as a defence or protectionnThe driver slowed down as he approached the barrier. It doesnt occur/occurs to sb to do/that (没有没有)想到想到nIt occurred to me that I would travel Europe. n我突然想到要旅游欧洲。我突然想到要旅游欧洲。 nIt didnt occur to me that you woul

33、d object to the decision. n我没想到你会反对这个决定。我没想到你会反对这个决定。 nDidnt it occur to you to close the window? n难道你没想到要关上窗子吗？难道你没想到要关上窗子吗？Chances are that: it is likely/probable thatnIf you dont agree to work extra hours for no extra pay, chances are that you will be dismissed.n如果你好吃懒做，你就可能会变胖。如果你好吃懒做，你就可能会变胖。nI

34、f you eat more and exercise less, chances are that you will put on a lot of weight in a few months.hold/ keep (sb.) at bay: prevent ( an enemy, pursuers, etc.) from coming nearnEating oranges keeps colds at bay.nShe left the light on at night to keep her fears at bay.without so much as: 连连都没有都没有nShe

35、 left without so much as saying good-bye.nnot so much as:n我把捡到的钱还给他，他连说声谢谢都没有。我把捡到的钱还给他，他连说声谢谢都没有。nHe didnt so much as thank me for returning his money foundsideways: a., ad. to, towards or from the sidenAlfred shot him a sideways glance. (a.)nIf you would move sideways to the left, I can get everyo

36、ne on the picture. (ad.)be bathed in: cover or envelop as if with liquidqThe fields and woods were bathed in a golden light at sunrise.qHe was interviewed in a room bathed in soft red light.qShe bathed her feet in warm water to relieve the pain.with/by a small/large margin:qGovernor Bush won the ele

37、ction but by a small margin.qWith the improvement of their living conditions, peoples demand for air-conditioning has increases by a large margin.civilize: cause to improve from a primitive stage of human society to a more developed onepThe Romans tried to civilize the ancient Britons. pMany a rough

38、 man has been civilized by his wife. p许多粗野的男人在妻子的开导下变得文雅许多粗野的男人在妻子的开导下变得文雅了。了。reflection:q1) a thing bringing discredit or criticism (follow by on) 有损声誉或受指责的事有损声誉或受指责的事qWhen children are criticized by their teachers, mothers often see it as a reflection on themselves.q 2) deep or careful thinking 思考

39、思考qAfter much reflection, Ive come to a decision.qAfter thirty years as a doctor, his reflections on life were worth listening to.p3) a clear indication or the result of 反映反映pHer achievements are a reflection of her courage.p4) 反省反省pAfter reflection I felt I had made the wrong decisionreflection:puz

40、zle: qv. cause (sb.) to feel confused and slightly worried because they cannot understandqIt puzzles me why she gave up the chance of studying abroad.qn. (usu. sing.) sth. that one cannot understandqNo one can explain the puzzle of how life beganqpuzzling adj. 费解的费解的 qpuzzled adj. 感到迷惑的感到迷惑的look bac

41、k on: think about (sth.) in ones pastqWhen you look back on your life, what moments would you cherish the most?qIn his speech the president looks back on the economic recovery and makes clear his desire to reduce the federal budget.Useful Expressionsn( (门门) )关着但没上锁关着但没上锁n带钥匙带钥匙n( (暂时暂时) )关闭关闭n巡逻严密的城

42、区街道巡逻严密的城区街道n据称很宁静的地区据称很宁静的地区 n的时代结束了的时代结束了n电子报警系统电子报警系统 n连接到连接到on the latchcarry keysclose upwell-patrolled urban streetsthe allegedly tranquil areasthe era of is overelectronic alarm systemshook up ton内置，嵌入内置，嵌入n处于监控处于监控n设置路设置路障障n保安人员保安人员n不让靠近不让靠近n电子搜查电子搜查器器n看都不看一眼看都不看一眼n代表；表示，象征代表；表示，象征build inun

43、der surveillanceput up barricadessecurity guardshold/keep (sb.) at bayelectronic friskerswithout so much as a sideways glancestand forn沉浸于，沐浴于沉浸于，沐浴于n误差率很小误差率很小n在人类文明的历史上在人类文明的历史上n聪明反被聪明误聪明反被聪明误n回首，回顾回首，回顾n看不见的恐惧看不见的恐惧be bathed inwith/by a small/large margin of error in the history of civilized man outsmart oneself look back onunseen horrors