版大学英语第四册课后习题答案第6单元.doc

Unit 6 Text A
Language Sense Enhancement
1. 1) understanding
2) Within the confines
3)reasonably
4) by nature
5) limitless possibilities
6) our aim
7) fewer desires
8) play by themselves
9) vet boundaries
10) or

Language Focus
Vocabulary
I.
1. 1) appliances
2) comparative
3) multiply
4) distribution
5) prosperity
6) decorate
7) famine
8) large quantities of / a large quantity of
9) streamline
10) fax
11) pointed the way to
12) bewildered
2. 1) eat into
2) cling to
3) stand out/ stood out
4) wears away
5) set about
6) switch off
7) will be turned loose
8) poured in
3. 1) is forecast to be below average next year, which at the moment is 4 percent.
2) to enter the building and find the baby girl proved futile as rescuers were driven out by the heart and flames.
3) was urged to divert some of its attention from expanding production and get more involved with issues of market demand.
4) can really eat heavily into your profits when you are selling suits at $900 and resses at $2,000.
5) has toiled endlessly over the exercise machine for the last twenty years in order to keep her body in shape.
4. 1) reaction to, discontent, provoked
2) Convention, evading tax, the confines of
3) a burden, are always on the go/ seem forever on the go, to cope

II. Confusable words
1.
1) nervousness
2) tension
3) stress, stress
4) tension
2.
1) honorary
2) Honorable
3) honorable
4) honorary
5) honorable
6) Honorary

III. Usage
1) Dealing with the extinction crisis is no simple matter. Is it sensible, we may ask, to spend large sums of money to save some species – be it an elephant or an orchid – in a nation win which a large proportion of the population is living below the poverty line?
2) This new technology could be used anywhere large numbers of people need to be quickly screened – at airports, train stations, bus terminals or border crossings. However, experts suspect, there is also the risk that people will learn to fool the machine the same way they try to fool polygraph readings by controlling their breath or taking drugs to relax themselves.
3) With a high percentage of marriages ending in divorce, often due to financial difficulties, you would say that money is a big factor in making a good marriage. But, believe it or not, it isn’t money that ensures you a happy marriage; it is your philosophy of life that does.
4) Not all the risks on the Internet are sexual, you know. Sites promoting violence are just a click away, and may include instructions for making bombs and other destructive devices.

Comprehensive Exercises
I.
1. 1) switch off
2) obliged
3) on the go
4) cope
5) shortage
6) large quantity of
7) pouring in
8) by nature
9) fraction
10) futile
2. 1) advantage
2) wisely
3) faithfully
4) waking
5) includes
6) schedule
7) sticking
8) priorities
9) set
10) respect

II.
1. 1) They are exploring the new frontiers of medical science in an attempt to find remedies for incurable diseases/ cures for diseases that are beyond remedy so far.
2) Here unique teaching methods apart, Ms Wilson, my math teacher, never tried to cram knowledge into my head.
3) The regular weather forecast by the Central TV Station keeps us up with the changes of weather wherever we go on a trip.
4) The appalling explosion started a big fire and caused the partial collapse of the building.
5) In the modern world, there are more ways than ever to waste away time, and all kinds of distractions are eating into our precious time.

2. Today we are under constant pressure to work longer hours, to produce more, and to possess more. Lots of people hold the wrong perception that happiness lies in working hard and earning well /good money.

Many women today feel the same stress to work and get ahead and, at the same time, to nurture their offspring and shoulder the burden of domestic responsibilities.

Research shows that workaholism tends to distance us from our immediate families. It forces us to toil longer and longer hours, leaving a minute fraction of our time to be physically and emotionally available to our loved ones. Intimacy among family members is doomed to die in the process.