2017全新版大学英语综合教程3第三单元课后答案
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Unit 3 Security
Text A
Content Questions
1. No.
2. No.
3. It has been replaced by an era when people employ various secuirty devices at home.
4. Small notices announcing that the premises are under surveillance by this security force or that
guard company.
5. The insurance company tries to impress the public that it will ensure your safety by paying for
your losses.
6. An atmosphere of fear and distrust.
7. Because they feel threatened and want to keep outsides away.
8. No. They are by now the most sophisticated of security sites.
9. It is a way to hold the terrorists, real and imagined, at bay.
10. To tell whether their friend or client is telling lies.
11. All is done in the name of “security”. But according to the author, America, with all this
“security”, is perhaps the most insecure nation in the history of civilization. 12. We may have locked the evils out, but in so doing we have locked ourselves in.
Text Organization
1.
2.
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 in sliding glass doors.
4) Small notices warning 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) Businessmen employ new machines linked up to their telephone to help determine whether the
caller is telling lies or not.
Suburban housewives wear rape whistles on their key chains.
Text Organization
1.
2.
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 in sliding glass doors.
4) Small notices warning 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) Businessmen employ new machines linked up to their telephone to help determine whether the
caller is telling lies or not.
Suburban housewives wear rape whistles on their key chains.
Language Sense Enhancement
I. 1) electronic
5)
7) 9)
Language Focus
I. 1. 1) threathens
3) civilize
5) wandered
7) without so much as
9) hook up to
11) chart
Vocabulary 1. 2) by a small margin 4) closed up 6) paste 8) sideways 10) universal 12) Bathed in
uncommon 2) hooked up to 6) announcing 3) suburban 4) built in survaillance 8) symbol featured 10) attached to
2. 1) narrowed down 2) looked back on 3) cut off 4) fit into 5) wear (the other) down 6) lies in 7) put up 8) stand for
3. 2) A wardrobe with mirrored doors had to be built in so as to make their small bedroom look
3) The NBC show's opening shots feature the space shuttle Challenger blowing up in January
4) When the teacher threatened to keep the pupils in after school they were quieted at once.
5) Energy difficulties are a major barrier to the country's economic growth due to the fact that
40% of its foreign exchange.
4. beautiful landscape and tranquil atmosphere as a rare escape from the madness of urban life.
2) Learning in the information really convenient and efficient. With your computer 3) Detectives, who believe more than one person is behind the constant attacks in the suburb, However, they are also aware that they shouldn’times..
II. Collocation
1. away
2. inside/in
3. forward/through
5. off
7. back, down
III. Usage 4. back 6. home 8. in, out
1. 2. 3. 4. 5. Comprehensive Exercises
I. Cloze 1.
1. Statistics 2. rural
3. era 4. stood for
5. on the latch
7. barriers
9. reflection 6. vulnerable 8. electronic 10.civilized
2.
1. tougher 2. liable
3. shift 4. electric
5. cautious
7. thieves
9. chances
II. Translation
1.
1). The Internet is changing the way people live, no matter whether they are in urban or rural areas.
2). Medium-sized and small companies are more vulnerable to the threat of the global economic
crisis than large ones.
3). With regard to our term papers, the professor asked us to analyze the chart of unemployment first,
and then provide critical reflections on the nation’s economic development.
4). It never occurred to him that their team would win the basketball match by a large margin.
5). Looking back on my twenty years’ teaching in high school, I attributed my success to patience,
talent, and the constant pursuit of knowledge.
2.
It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols or those wandering around. Common sense tells us that lighting is a barrier to criminal activity. A light should be fixed in the doorway and switched on at night. Make sure/assure yourself that you don’t leave the door on the latch if you happen to be the last to come in. If you decide to buy a sophiticated electronic alarm system, be sure to ask for 6. sophisticated 8. break 10. signs its signs and put them up on both windows and doors. In addition you may have it hooked up to a police station.
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