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| 文章出处：学生大考试站 发布时间：2005-10-12 |
lertness of the
crew, and may mask the warning sounds of alarm and fog signals.
11. The passage compares sound to
a. the rising and falling of water in the ocean
b. the crests and valleys of mountain ranges
c. a flag waving in the air
d. a machine for gauging air pressure
12. The passage discusses a way to deal with an offensive noise by
a. diverting people's attention from it
b. masking it with a louder noise
c. canceling it out electronically
d. removing its source
13. The microprocessor described in the passage will probably be used for
a. composing music
b. repairing alarm systems
c. eliminating engine noises
d. intensifying fog warning sounds
14. According to the passage, what group of people will probably benefit first from
the use of the microprocessor?
a. Ship's crews
b. Research engineers
c. People with insomnia
d. Engine repair teams
15. A paragraph following the passage would most probably discuss
a. the nature of fog
b. a way to improve alarm systems
c. other causes of fatigue
d. other uses for the microprocessor
Questions 16 to 20 are based on the following passage:
Watch a baby between six and nine months old, and you will observe the basic
concepts of geometry being learned. Once the baby has mastered the idea that
space is three dimensional, it reaches out and begins grasping various kinds of
objects. It is then from perhaps nine to fifteen months that the concepts of sets
and numbers are formed. So far so good. But now an ominous development takes
place. The nerve fibers in the brain insulate themselves in such a way that the baby
begins to hear sounds very precisely. Soon it picks up language, and it is usually
downhill all the way for mathematics, because the child now becomes exposed to
all the nonsense words and beliefs of the community into which it has been so
unfortunate as to have been born. Nature, having done very well by the child to
this point, hav
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