新视野大学英语读写教程第4册课后习题答案(三)_龙行天下

新视野大学英语读写教程第4册课后习题答案（三
4Unit 7
Section A. Research into Population Genetics
《读写教程 IV》: Ex. II, p. 178
1. The book concludes that despite surface features, the
“races” are
remarkably alike under the skin.
2. Luca Cavalli-Sforza, a Stanford professor, and his
colleagues.
3. In human blood: various proteins that serve as markers to
reveal
a person’s genetic makeup.
4. Because they share such superficial characteristics as skin
color
and body shape. But the discoveries indicate that Australians are
most
distant from the Africans and most closely resemble the Southeast
Asians.
5. It confirms that Africa was the birthplace of humanity and
thus
the starting point of the original human movements.
6. Their genes show the Khoisan may be a very ancient mix of
west
Asians and black Africans, rather than being directly descended from
the
most primitive human ancestors.
7. All Europeans are thought to be a mixed population, with
65%
Asian and 35% African genes.
8. It is the latest raw material of the medical industry. And
in
addition, it can be used to weaken conventional notions of race that
cause
racial prejudice.
《读写教程 IV》: Ex. III, p. 178
1. discounted
2. biased
3. variation
4. feature
5. Confronted
6. migrated
7. descended
8. exploiting
《读写教程 IV》: Ex. IV, p. 179
1. The scientists announced last year that one of the genes
that
played a part in determining the intelligence had been identified,
but to
date the results have yet to be confirmed.
2. They seem to think that building a new road will improve
the
traffic problem, but in effect, it will make it worse.
3. It’s amazing that the scientists created nothing less than
the
first genetic map of the world.
4. As of today Dr. Carey will be in charge of a long-term
study of
children who are unusually good at math.
5. The best way to lose weight is proper diet in combination
with
regular exercise.
6. Many women in the city have taken low-paid, so-called
part-time
work in addition to their child-rearing and community care
activities.
7. Their research in

to better parenting and educational
techniques
sheds new light on the fact that more boys have unusual mathematical

abilities than girls.
8. It is now known that this illness is not only confined to
any one
group in society.
《读写教程 IV》: Ex. V, p. 179
1. secret
2. experiences
3. characteristics
4. idea
5. information
6. success
7. prejudices
8. equality
《读写教程 IV》: Ex. VI, p. 180
1. privacy
2. intimacy
3. frequency
4. fluency
5. secrecy
6. urgency
7. consistency
8. dependency
《读写教程 IV》: Ex. VII, p. 181
1. politics
2. classics
3. electronics
4. economics
5. psychology
6. methodology
7. technology
8. biology
《读写教程 IV》: Ex. VIII, p. 182
1. Being healthy is more than a question of not being ill.
2. I was more than a little put out; I was totally shocked.
3. This story is more than interesting; it is educational, as
well.
4. Hepworth is much more than a filmmaker; he had learnt to
find
stories that would have genuine popular appeal.
5. It was more than a misjudgment: it revealed the extent to
which
the religious intellectuals’ theory of the church was outdated.
《读写教程 IV》: Ex. IX, p. 182
1. What was needed was nothing less than a new industrial
revolution.
2. This is nothing less than a call to arms to restore the
vitality
of the American dream.
3. Their dream was nothing less than a revolutionary project
to
bring computers and ordinary people together.
4. The experience of sightseeing in the wonderful island is
nothing
less than exciting and I am moved to tears.
5. He was much concerned that she should not be tired, or
bored and
he wanted to make sure that the holiday would be nothing less than
perfect
for her.
《读写教程 IV》: Ex. X, p. 182
1. We have received three anonymous letters from Palestine to
date,
in addition to one suspicious package.
2. Their dream was nothing less than a more equal society
where
there is no racial prejudice.
3

. He read more than Shakespeare’s plays; he liked modern
music.
4. His fate in the last election, she said, would serve as a
reminder to all politicians that popularity does not last.
5. In effect, only hard work in combination with proper
methods will
always give you an advantage over others in study.
6. Technology itself, and its effective use, is not to be
confined
to the traditional science subjects.
7. Since the truth of this report was discounted, I was not in
a
position to publish it for you.
8. Many software companies have adapted general programs to
the new
operating system.
《读写教程 IV》: Ex. XI, p. 183
1. 它对人类在基因层面上的差异作了迄今为止最为广泛的调查。
2. 实际上，那种认为某一种群比另一种群的基因更优越的理论是毫无科学根据的。
3.

为了确保种群的“纯正”，这项研究将对象限定于其目前的生活区域仍与1492年以来相同的那些群体，即在来自欧洲最初的大规模迁移之前。这实际上就是一幅真实的哥伦布驶向美洲时期的世界人口基因分布图。
4. 我们眼中看到的人种差异，例如欧洲人与非洲人的差异，主要是人类从一个大陆向另一个大陆迁移时为适应气候所产生的。
5. 结合对远古人骨的研究，这一图谱证实了非洲是人类的诞生地，因而也是人类迁移的始发地。
6. 这些发现，再加上现代非洲人与非非洲人之间的巨大基因差距，说明了从非洲人种群开始的分支是人类家谱上最早的分支。
7.

除了揭示人种的起源以外，基因信息也是医学界可用的最新原料。医学界希望能用人类脱氧核糖核酸（DNA）制成特别的蛋白质，这些蛋白质具有某种抗病药物的价值。
8.
保护土著人权益活动家们担心科学家可能会利用土著人谋利：从当地人血样中提取的基因物质可被用于商业目的，却不给DNA提供者以足够的报酬。
Section B. Geniuses and Better Parenting
XVI. Choose the best answer to each of the following questions
1. B 2. C 3. B 4. A 5. B 6.C 7. B 8.
C
《读写教程IV》Ex. XVII, p. 193
1. supervised
2. fatigue
3. guarantee
4. explore
5. sophisticated
6. identified
7. steer
8. beneficial
《读写教程IV》Ex. XVIII, p. 193
1.

up
2. out
3. up
4. in
5. over
6. up
7. in
8. into
Unit 8
Section A. Slavery Gave Me Nothing to Lose
《读写教程 IV》: Ex. II, p. 204
1. They hid behind their curtains and looked through them at
the
travelers cautiously.
2. The small town was a stage where actors were the different
travelers who passed by and revealed themselves to the
audience—villagers
in different aspects. In a child’s eye, it was a play, bringing to
her a
lot of pleasure.
3. Probably there were different ways of greetings between
them, so
there might be some misunderstandings or some inappropriate
responses.
4. She wanted to sing and dance so much that she thought the
money
should have been given as a discouragement rather than an
encouragement.
5. After she was thirteen and left her hometown of Eatonville,
and
then she experienced a huge change. She was aware that she was
black.
6. It expresses the author’s attitude or her state of mind
that she
was not emotionally disturbed by the fact that she was a descendent
of
slaves. She felt good about herself.
7. The author felt like a brown bag of mixed items propped up
against a wall.
8. As is described, the contents revealed are nothing but
common
objects. It suggests that for ordinary people, no matter whether
they are
white or black, they share something in common.
《读写教程 IV》: Ex. III, p. 204
1. cautiously
2. bribing
3. disapproved
4. tendency
5. registered
6. depression
7. propped
8. guaranteed
《读写教程 IV》: Ex. IV, p. 205
1. peering at
2. be broken off
3. disapproved of
4. propping up
5. In the main
6. in company with
7. in that
8. at her elbow
《读写教程 IV》: Ex. V, p. 205
1. experiencing
2. resist
3. advocate
4. indicate
5. notice
6. undergo
7. welcome
8. caused
《读写教程 IV》: Ex. VI, p. 206
1. devalued
2. demobilized
3. deregulated

4. decentralized
5. destabilizing
6. depersonalized
7. deskilled
8. decoded
《读写教程 IV》: Ex. VII, p. 207
1. retirees
2. interviewees
3. trainee
4. employees
5. escapees
6. addressee
7. devotees
8. divorcee
《读写教程 IV》: Ex. VIII, p. 207
1. I know she isn’t really interested in window-shopping, but
she
doesn’t mind waiting while I have a look.
2. If people don’t mind my having no degrees, I could give a
few
music lessons!
3. People don’t mind paying much more for good software
because they
can see the benefits of using it.
4. I am big for my age and I didn’t mind if he thought I was a
young
man.
5. We don’t mind if it takes time for people to express their
hopes
and goals and their fears and needs in their lives.
《读写教程 IV》: Ex. IX, p. 208
1. No friends
2. No cigarette end
3. No gas, no water and no electricity
4. No other information
5. No effort
《读写教程 IV》: Ex. X, p. 208
1. Up to yesterday, we had no idea whether the war would break
out
or not.
2. Someone is always at my elbow reminding me that I am a
descendent
of slaves, but it fails to register depression with me.
3. I do not want to tell you that story; I have just mentioned
that
in passing.
4. I prefer his plan to yours in that I think it is more
practical.
5. The disapproval registered on her face was so real that
even I
would have thought it genuine.
6. They broke off the business relations with that company as
it
suffered huge losses in the last financial year and went bankrupt.
7. Perhaps this was the price that has to be paid for the
progress
in the first place— who knows?
8. When she was preparing her luggage, the bag was emptied and

refilled several times.
《读写教程 IV》: Ex. XI, p. 208
1. 本地的白人骑着风尘仆仆的马匹，而北方来的旅游者则驾着汽车沿着乡下的沙土路一路驶来。
2.
小镇的人胆小的就躲在窗帘后小心翼翼地偷看他们，胆大的则会走出屋外看着他们经过，感到很开心，就像这些旅游者看

到这村庄也感到很有乐趣一样。
3. 不仅在镜中，也在内心深处，我变成了永远不黑不白的棕色人—— 就像那最好的鞋油，不会被抹掉，也永不褪色。
4.
对我表现出的任何一点欢乐的苗头，他们都不赞同。但我仍然是他们的佐拉，我是属于他们，属于周围的旅馆，属于那个地方，属于每一个人的佐拉。
5. 我似乎已发生了巨大的变化，我再也不是伊顿维尔的佐拉了，我现在成了个小黑妞。
6. 占据国内舞台的中心可真刺激，而台下的观众则不知是喜是忧。
7. 我没有老是感到自己是有色人种。甚至现在我感觉自己还是在伊顿维尔小镇上的懵然无知的佐拉。
8. 也许当初上帝这个装袋者往我们各自的皮袋子中填塞时正是这么做的，谁知道呢？
Section B. Why Are Women Afraid of Wrinkles
XVI. Read the following statements carefully, and decide whether
they are
true (T) or false (F) according to the text.
1. F 2. T 3. T 4. F 5. F 6. F 7. T 8.
T
《读写教程IV》Ex. XVII, p. 219
1. appeal
2. poured
3. denied
4. renew
5. stimulated
6. perceived
7. accelerate
8. controversy
《读写教程IV》Ex. XVIII, p. 219
1. look into
2. poured out
3. beat back
4. When it comes to
5. have to do with
6. specialize in
7. was tied up with
8. symbolic of

类