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Stepping into a pool of water is common enough, but who could ever imagine stepping into a pool of fish? In February of 1974, Bill Tapp, an Australian farmer, saw a rain of fish that covered his farm. How surprised he must have been when he heard many fish hitting against his roof!
What caused this strange occurrence? This is a question that had long puzzled people who study fish. The answer turned out to be a combination of wind and storm.
When it is spring in the northern part of the world, it is fall in Australia. Throughout the autumn season, terrible storms arise and rains flood the land. The strong winds sweep over Australia like huge vacuum cleaners, collecting seaweed, pieces of wood, and even schools of fish. Strong winds may carry these bits of nature for many miles before dropping them on fields, houses, and astonished people.
Although they seem unusual, fish-falls occur quite frequently in Australia. When Bill Tapp was asked to describe the scene of fish, he remarked, “They look like millions of dead birds falling down.” His statement is not surprising. The wonders of the natural world are as common as rain. Nature, with its infinite wonders, can create waterfalls that flow upward and fish that fall out of the sky.
56. What is this passage about?
A. A sad story. B. A rain of fish.
C. Australia’s northern part. D. The damage done by floods.
57. Fish-falls occur in Australia_________ .
A. quite often B. on large farms
C. only in winter D. when the air is calm
58. It is a known fact that ________.
A. one should watch where one steps
B. Bill Tapp is a scientist who studies farming
C. the natural world can never create waterfalls that fall upward
D. the seasons in the southern part are different from those in the northern part
59. The word “infinite” is closest in meaning to _________.
A. easy B. difficult C. countless D. dangerous
查看习题详情和答案>>Ⅲ. 阅读（共两节，满分40分）
第一节 阅读理解（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从41—55各题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑。
Although April did not bring us the rains we all hoped for, and although the Central Valley doesn’t generally experience the sound and lightning that can go with those rains, it’s still important for parents to be able to answer the youthful questions about thunder and lightning.
The reason these two wonders of nature are so difficult for many adults to explain to children is that they are not very well understood by adults themselves. For example, do you know that the lightning we see flashing down to the earth from a cloud is actually flashing up to a cloud from the earth? Our eyes trick us into thinking we see a downward motion when it’s actually the other way round. But then, if we believed only what we think and we see, we’d still insist that the sun rises in the morning and sets at night.
Most lightning flashes take place inside a cloud, and only a relative few can be seen jumping between two clouds or between earth and a cloud. But, with about 2,000 thunderstorms taking place above the earth every minute of the day and night, there’s enough activity to produce about 100 lightning strikes on earth every second.
Parents can use thunder and lightning to help their children learn more about the world around them. When children understand that the light of lightning flashing reaches their eyes almost at the same moment, but the sound of the thunder takes about 5 seconds to travel just one mile, they can begin to time the interval(间隔) between the flash and the crash to learn how close they are to the actual spark(闪光).
1. According to the author, in the area of the Central Valley, ___________.
A. rains usually come without thunder and lightning
B. it is usually dry in April
C. children pay no attention to the two natural wonders
D. parents are not interested in thunder and lightning
2. We believe that lightning is a downward motion because ___________.
A. we were taught so by our parents from our childhood
B. we are taken in by our sense of vision
C. it is a common natural sight
D. it is a truth proved by science
3. What is TRUE about lightning according to the passage?
A. Only a small number of lightning flashes occur on earth.
B. Lightning travels 5 times faster than thunder.
C. Lightning flashes usually jump from one cloud to another.
D. There are far more lightning strikes occurring on earth than we can imagine.
4. The underlined word “activity” is most closely related to the word(s)___________.
A. “cloud” B. “lightning strikes”
C. “lightning flashes” D. “thunderstorms”
5. It can be concluded from the passage that____________.
A. we should not believe what we see or hear
B. things moving downward are more noticeable
C. people often have wrong ideas about ordinary phenomena (现象)
D. adults are not as good as children in observing certain natural phenomena
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Stepping into a pool of water is common enough, but who could ever imagine stepping into a pool of fish? In February of 1974, Bill Tapp, an Australian farmer, saw a rain of fish that covered his farm. How surprised he must have been when he heard many fish hitting against his roof!
What caused this strange occurrence? This is a question that had long puzzled people who study fish. The answer turned out to be a combination of wind and storm.
When it is spring in the northern part of the world, it is fall in Australia. Throughout the autumn season, terrible storms arise and rains flood the land. The strong winds sweep over Australia like huge vacuum cleaners, collecting seaweed, pieces of wood, and even schools of fish. Strong winds may carry these bits of nature for many miles before dropping them on fields, houses, and astonished people.
Although they seem unusual, fish-falls occur quite frequently in Australia. When Bill Tapp was asked to describe the scene of fish, he remarked, “They look like millions of dead birds falling down.” His statement is not surprising. The wonders of the natural world are as common as rain. Nature, with its infinite wonders, can create waterfalls that flow upward and fish that fall out of the sky.
56. What is this passage about?
A. A sad story. B. A rain of fish.
C. Australia’s northern part. D. The damage done by floods.
57. Fish-falls occur in Australia_________ .
A. quite often B. on large farms
C. only in winter D. when the air is calm
58. It is a known fact that ________.
A. one should watch where one steps
B. Bill Tapp is a scientist who studies farming
C. the natural world can never create waterfalls that fall upward
D. the seasons in the southern part are different from those in the northern part
59. The word “infinite” is closest in meaning to _________.
A. easy B. difficult C. countless D. dangerous
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It rains very heavily in this area, which has _______ annual rainfall of 7,000 mm, _______ ideal environment for forests．
A．the; an B．an; 不填 C．an; an D．不填; the
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