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50
个句子记住
7000
个单词！
！
！
1. Typical of the grassland dwellers of
the continent is the American
antelope,
or pronghorn.
1.
美洲羚羊，或称叉角羚，是该大陆典型的草原动物。
2.
Of the millions who saw Haley’s comet in 1986, how
many people
will live long enough to
see it return in the twenty-first century.
2. 1986
年看见哈雷慧星的千
百万人当中，有多少人能够长寿到足以
目睹它在二十一世纪的回归呢？
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3. Anthropologists have
discovered that fear, happiness, sadness,
and surprise are universally reflected
in facial expressions.
3.
人类学家们已经发现，恐惧，快乐，悲伤和惊奇都会行之于色，这
在
全人类是共通的。
4.
Because of its irritating effect on humans, the
use of phenol as a
general antiseptic
has been largely discontinued.
4.
由于苯酚对人体带有刺激性作用，
它基本上已不再
被当作常用的防
腐剂了。
5. In group to remain in existence, a
profit-making organization
must, in the
long run, produce something consumers consider
useful or desirable.
5.
任何盈利组织若要生存，
最终都必须生产出消费
者可用或需要的产
品。
6. The greater the population there is
in a locality, the greater the
need
there is for water, transportation, and disposal
of refuse.
6.
一个地
方的人口越多，其对水，交通和垃圾处理的需求就会越大。
7. It is more difficult to write
simply, directly, and effectively than to
employ flowery but vague expressions
that only obscure one’s
meaning.
7.
简明，直接，有力的写作难于花
哨，含混而意义模糊的表达。
8.
With modern offices becoming more mechanized,
designers are
attempting to personalize
them with warmer, less severe interiors.
8.
随着现代办公室的日益自动化，
设计师们正试图利用较为温暖而不
太严肃的内部装饰来使其具有
亲切感。
9. The
difference between libel and slander is that libel
is printed
while slander is spoken.
9.
诽谤和流言的区别在于前者是书
面的，而后者是口头的。
10.
The knee is the joints where the thigh bone meets
the large
bone of the lower leg.
10.
膝盖是大腿骨和小腿胫的连接
处。
11. Acids are
chemical compounds that, in water solution, have a
sharp taste, a corrosive action on
metals, and the ability to turn
certain
blue vegetable dyes red.
11
.
酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀
性，并且能够使某些蓝色植物染料变红。
12. Billie Holiday’s reputation as a
great jazz
-blues singer rests on
her ability to give emotional depth to
her songs.
12. Billie Holid
ay’s
作为一个爵士布鲁斯乐杰出歌手的名声建立在能
够赋予
歌曲感情深度的能力。
13.
Essentially, a theory is an abstract, symbolic
representation of
what is conceived to
be reality.
13.
理
论在本质上是对认识了的现实的一种抽象和符号化的表达。
14. Long before children are able to
speak or understand a
language, they
communicate through facial expressions and by
making noises.
1
4.
儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出
噪声来与人交流了。
15.
Thanks to modern irrigation, crops now grow
abundantly in
areas where once nothing
but cacti and sagebrush could live.
15.
受当代灌溉
(
技术设施
)
之赐，
农作物在原来只有
仙人掌和荞属科植
物才能生存的地方旺盛的生长。
16. The development of
mechanical timepieces spurred the search
for more accurate sundials with which
to regulate them.
16.
机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计
时器。
17. Anthropology
is a science in that anthropologists use a
rigorous
set of methods and techniques
to document observations that can
be
checked by others.
17.
人类学是一门科学，因为人类学家采用一整套强有力的方法和技
术来记录观
测结果，而这样记录下来的观测结果是供他人核查的。
18.
Fungi are important in the process of decay, which
returns
ingredients to the soil,
enhances soil fertility, and decomposes
animal debris.
1
8.
真菌在腐化过程中十分重要，
而腐化过程将化学物质回馈于
土壤，
提高其肥力，并分解动物粪便。
19. When it is struck, a tuning fork
produces an almost pure tone,
retaining
its pitch over a long period of time.
19.
音叉被敲击时，产生几乎纯质的音调，其音量经久不衰。
20. Although
pecans are most plentiful in the southeastern part
of
the United States, they are found as
far north as Ohio and Illinois.
20.
虽然美洲山河桃树最集中于美国的东南部但是在北至俄亥俄州及
伊利诺州也能看见它们。
21.
Eliminating problems by transferring the blame to
others is often
called scape-goating.
21.
用怪罪别人的办法来解决问题
通常被称为寻找替罪羊。
22. The chief
foods eaten in any country depend largely on what
grows best in its climate and soil.
22.
一个国家的主要食物是什么，
大体取决于什么作物在其天气和土
壤条件下生长得最好。
23. Over a very large
number of trials, the probability of an event’s
occurring is equal to the probability
that it will not occur.
23.
在大量的实验中，某一事件发生的几率等于它不发生的几率。
24. Most substance contract when they
freeze so that the density of
a
substance’s solid is higher than the density of
its liquid.
24.
大
多数物质遇冷收缩，所以他们的密度在固态时高于液态。
25. The mechanism by which brain cells
store memories is not
clearly
understood.
25.
大
脑细胞储存记忆的机理并不为人明白。
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