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1、（优选）大学英语全新版第三册第三单元答案课件Parts paragraphsMain IdeasPart TwoParas1-3Part TwoPar4-15Part ThreePa16-19In America, the era of leaving the front door on the latch has drawn to a close. A new atmosphere of fear and distrust creeps into every aspect of daily life. As a result, security devices, in varied form
2、s, are put to use.By locking our fears out, we become prisoners of our own making.2. In the text the author uses lots of facts to support his central point of view: America is deteriorating from “the Land of the Free” into “the most insecure nation”. Could you find any more supporting facts than the
3、 one that has been listed below, and write them down?1)Doors are not left unlocked either in cities or in rural areas. 2) _ _3) _ _4)_ _ _Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use.Suburban families have steel bars built in sliding glass doors.Small n
4、otices warning against burglary are commonly seen pasted on the windows of the most pleasant homes.5) _ _6) _ _7) _ _ _8) _ _Access cards are required of those who work with medium to large-size companies.Suburban housewives wear rape whistles on their key chains. Airport security uses electronic X-
5、ray equipment to guard against terrorism.Businessmen employ new machines linked up to their telephone to help determine whether the caller is telling lies or not.I.2. Fill in the gaps with words or phrases chose from the box. Change the form where necessary.universal wanderby a small margin without
6、so much asbarrierthreatenfeaturecivilize close upCharthook up to be bathed inpastemediumsideways build inI. Vocabulary 1.According to some scientists, global warming _ the survival of the whole human race.2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact,
7、relatively small (19%), and exceeded the number of overseas visitors (16 %) _.3.The early Spaniards established a chain of mission s to _ the local population along the San Antonio River. 4.It was common practice then that when the store owners wanted to go on vacation they simply _. threatenciviliz
8、eby/with a small marginclose up5.As they didnt have relatives or friends there they often _ around nearby malls when they got bored. 6.To make a birthday card, you can simply cut some funny or pretty pictures from magazines, _ them onto a piece of card and then write your message inside. 7.She picke
9、d up the receiver and, _ asking the caller to hold on, went off to tell Jack that he was wanted on the phone. 8. To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and _.wanderedpastewithout so much assideway
10、s9.The new product has a pair of small loudspeakers fitted inside, which you can easily _ your computers sound card. 10. Music in fact is a _ language of a non-verbal nature which is rich in expression. 11. This _ is designed to show at a glance how many rooms have benn rented out and how many are s
11、till available. 12. _ glorious sunshine, the boundless stretch of corn fields looked an impressive sight. hook up touniversalchartBathed inI.2. Use the verb in brackets to form an appropriate phrasal verb you have learned and replace with it the italicized part in each of the following sentences:Mod
12、el: None of us carried keys; the last one in for the evening would shut the door, and that was it. (close)None of us carried key keys; the last one in for the evening would shut the door, and that was it. s; the last one in for the evening would close up, and that was it. 1.Following a major murder
13、investigation in the local community, the police reduced their list of suspects. (narrow) 2.In his autobiography, Mr. Hanson recalled his second career, taken up at the age of sixty, as the happiest time of his life when his creativity was exercised to the full. (look) 3.The heavy rain stopped the s
14、upply of electricity to large parts of the South and caused the polluted rivers to flood which later contaminated the entire region. (cut) narrowed downnarrowed downlooked back onlooked back oncut offcut off4.The book is small enough to find sufficient room in your pocket. (fit) _5.Both sides are tr
15、ying to weaken the other by obstinately sticking to their own positions in the negotiations. (wear) 6.The secret of a successful school depends on effective co-operation between professional leadership, the government and the local authority. (lie) _fit intofit intowear (the other) downwear (the oth
16、er) downlies inlies in7.Many suburban residents in the U.S. erect an invisible electronic fence around their premises to prevent their pets from running away. (put) 8.The initials VAT represent Value Added Tax, which is a type of tax paid by the person who buys the goods or service. (stand) put upput upstand forstand for1. Researchers at the Department of Clinical Medicine in Oxford have found a certain gene which they think is likely to make people open to easy attack by asthma (哮哮喘喘). (vulnera
