《大学英语》全新版第三册Unit 3

Text Analysis
Tense change: • simple past in para1 VS. present perfect
in para4;
• a phrase that indicated an old habit VS. a phrase indicating the current state
para12 vs. para13
Para12: it( the airport) is a place of education and fun; parents used to take children out to departure gates（登机口） to watch plane land and take off. Para 13: electronic X- ray equipment to hold the terrorists Function: The latter two are just two supporting details for the central argument.
Part 2 Supporting Facts for the Central Idea

In this 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? Reference on Text Organization practice on page78.
. . .
Oral Practice
1.
How to protect yourself when you live alone?



Lock the door Getting the security office’s tel number Alarm equipment Weapons at home





Access cards are required of those who work with medium to large-size companies. (para10) Airport security uses electronic X-ray equipment to guard against terrorism. (para12-13) Businessmen employ new machines linked up to their telephone to help determine whether the caller is telling lies or not. (para15) Suburban housewives wear rape whistles on their key chains. (para18)
Security
rape whistles highintensity light electronic X-ray equipment sliding glass doors with steel bars
access cards
“LOCKS”
Text Organization
Parts Lines 1 1~11 Main Ideas
What types of security methods has mentioned in the text? Could you find them out?
Security Systems
security chains dead-bolt locks electronic alarm systems trip wires
Function: The first pair of contrast acts as the opening of the whole piece of writing.
para10 vs. para11
Para10: carry some kind of access card, such as electronic ones; security guard Para11: policy free access Function: It is the supporting details for the central argument.


Please scan the whole text in 7 mins and recall the key words related to the context
“lock” is one of the keywords in this text, by locating “lock” throughout the text, we get a pretty good idea of what this essay is about.
. . .
Oral Practice
1.
What should we do first of all when the wallet was lost?

go for the police Searching around go to banks call relatives
. . .
Sentence Completion
Read Part 2 carefully and supply the missing information.
1.
defending We have become so used to _______ ourselves against the new atmosphere of ______________________________ American life _____________, and so used to putting up barriers _______________.
We became prisoners of ourselves when we deal with the unseen horrors among us.
Text Analysis
Comparison and contrast
para1 vs. para4
Para 1: on the latch; closed but not locked; none of us carried keys; close up Para 4: dead-bolt locks; security chains; electronic alarm systems; trip wires hooked up to a police station or private guard firm; sliding glass doors; steel bars.

Doors are not left unlocked either in cities or in rural areas. (para2) Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use. (para4) Suburban families have steel bars built in sliding glass doors. (para4) Small notices warning against burglary are commonly seen pasted on the windows of the most pleasant of home. (para5)
By locking our fears out, we become 61~74 prisoners of our own making.
3
Part 1
True or False
1. The phrase “on the latch” means the door is closed and locked. ( ) 2. Nowadays, doors, not only in cities but also in rural areas, are locked. ( ) 3. Urban streets are more dangerous than outskirts and country areas.( ) 4. In America nowadays, no one leaves his front door on the latch anymore. ( ) Keys: F, T, F, T
No. Because in the author’s opinion, America becomes the most insecure nation with alswers 3. According to the author, what may be the legacy we remember best when we recall this era?
In America, the era of leaving the front door on the latch has drawn to a close.
2
A new atmosphere of fear and distrust creeps into every aspect of daily life. 12~60 As a result, security devices, in varied forms, are put to use.
Part 3 Questions and Answers
1.
Under what excuse do people resort all these means mentioned in Part 2?
In the name of “Security”.
2.
Does the author think they are justified in doing so?
Sentence Completion
when we think we are 2. We are satisfied__________________ 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.
THE LAND OF THE LOCK
Bob Greene
“ON THE LATCH” There is a similar old saying in China
路不拾遗，夜不闭户 No one picked up and pocketed anything lost on the road, while no family had the need to bolt the doors at night.
Unit 3
Security
Oral Practice
1.
What is important when you go for a holiday trip?

Booking the tickets cash & credit card Finding the favorite companions Safety confirmation