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河南成人大学网络远程教育本科英语入学测试试题解析(25)

2012-08-06 16:00:07   发布人:    点击:

河南成人大学网络远程教育本科英语入学测试试题解析(25)

of using solar energy characterized by cool winters, much as it is today. At that time, the Greeks heated their homes with small, charcoal-buring heaters. In other words, wood (which is used to make charcoal)was their primary source of energy. However, by the fifth century BC fuel shortages had become common because, in many parts of Greece, the firewood in the forests had been depleted. Once the supply of firewood from the local forests ran out, people began to use the wood from olive groves as fuel. But this solution had its own problem. It reduced the olive crop, a valuable resource to the Greeks. By the fourth century BC, the city of Athens banned the use of olive wood for fuel. Wood had to be imported from farther and farther away, making it more difficult to obtain and more expensive to use. About this time the Greeks began to build their houses facing south, so that the low sun in winter could penetrate and help heat the interiors. Excavations of ancient Greek cities suggest that areas wre planned so that individual homes could take maximum advantage of passive solar energy.
44. The word “depleted” means       .
A. damaged       B. stolen       C. used up     D. discovered 
45. According to the passage,          .
A. using wood from the olive groves in ancient Greece was a sensible solution to the fuel problem
B. using passive solar energy was more expensive than using wood in ancient Greece
C. the ancient Greeks planted new forests to replace the ones they cut down for firewood
D. the concept of using passive solar energy has been around since at least the fourth century BC
46.The author implies that before the fifth century BC,         .
A. the climate was much milder in the coastal areas of Greece
B. the Greeks were very careful to replant their forests after they cut the
C. the Greeks were not concerned about conserving their energy sources
D. olives were not an important resource to the Greeks
47. Which sentence best expresses the central point of the passage?
A.Sentence 1.      B.Sentence2.    C. Sentence 3.      D. Sentence 4.

Passage Four
A few minutes ago, walking back from lunch, I started to cross the street when I heard the sound of a coin dropping. It wasn’t much but, as I turned, my eyes caught the heads of several other people turning too. A woman had dropped what appeared to be a dime.
The tinkling sound of a coin dropping on pavement is an attention-getter. It can nothing more than a penny. Whatever the coin is , no one ignores the sound of it . It got me thinking about sounds again.
We are besieged (包围) by so many sounds that attract the most attention. People in New York City seldom turn to look when a fire engine, a police car or an ambulance comes screaming along the street.
When I’m in New York. I’m a New Yorker. I don’t turn either. Like the natives.
At home in my little town in Connecticut, it’s different. The distant wail of a police car, an emergency vehicle or a fire siren brings me to my feet if I’m seated and brings me to the window if I’m in bed. It’s the quietest sounds that have most effect on us, not the loudest. In the middle of the night, I can hear a dripping tap a hundred yards away through three closed doors. I’ve been hearing little creaking noises and sounds which my imagination turns into footsteps in the middle of the night for twenty-five years in our house. How come I never hear those sounds in the daytime?
48. The sound of a coin dropping makes people         .
A. think of money                  B. look at each other
C. pay attention to it                 D. stop crossing the street
49. People in New York          .
A. don’t care about emergencies 
B. are used to alarm
C. are attracted by sounds
D. don’t hear loud noises
50. How does the author relate to sounds at night?
A. He imagines sounds that do not exist.
B. He overstates quiet sounds.
C. He thinks taps should be turned off.
D. He believes it’s rather quiet at night.
51. How does the writer feel about sounds in general?
A. They make him feel at home.
B. He thinks they should be ignored.
C. He believes they are part of our lives.
D. He prefers silence to loud noises.

Passage Five
How many things can you see in the night sky? A lot! On a clear night you might see the Moon, some planets, and thousands of sparkling stars. You can see even more with a telescope.
 But scientists believe there are some things in the sky that we will never see .We won’t see them with the biggest telescope in the world, on the clearest night of the year. That’s because they’re invisible. They’re the mysterious dead stars called black holes.
As a star’s gases burn, they give off light and heat. But when the gas runs out, the star stops burning and begins to die.
As the star cools, the outer layers of the star pull in toward the center. The star squashes into a smaller and smaller ball. If the star was very small. The star ends up as a cold, dark ball

 

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