專八英語考試閱讀理解試題
沒有人會因學問而成爲智者。學問或許能由勤奮得來,而機智與智慧卻有懶於天賦。以下是小編爲大家搜索整理的專八英語考試閱讀理解試題,希望對大家有所幫助!想了解更多精彩內容請及時關注我們應屆畢業生考試網!
Most earthquakes occur within the upper 15 miles of the earth's surface. But earthquakes can and do occur at all depths to about 460 miles. Their number decreases as the depth increases. At about 460 miles one earthquake occurs only every few years. Near the surface earthquakes may run as high as 100 in a month, but the yearly average does not vary much. In comparison with the total number of earthquakes each year, the number of disastrous earthquakes is very small.
The extent of the disaster in an earthquake depends on many factors. If you carefully build a toy house with an erect set, it will still stand no matter how much you shake the table. But if you build a toy house with a pack of cards, a slight shake of the table will make it fall. An earthquake in Agadir, Morocco, was not strong enough to be recorded on distant instruments, but it completely destroyed the city. Many stronger earthquakes have done comparatively little damage. If a building is well constructed and built on solid ground, it will resist an earthquake. Most deaths in earthquakes have been due to faulty building construction or poor building sites. A third and very serious factor is panic. When people rush out into narrow streets, more deaths will result.
The United Nations has played an important part in reducing the damage done by earthquakes. It has sent a team of experts to all countries known to be affected by earthquakes. Working with local geologists and engineers, the experts have studied the nature of the ground and the type of most practical building code for the local area. If followed, these suggestions will make disastrous earthquakes almost a thing of the past.
There is one type of earthquake disaster that little can be done about. This is the disaster caused by seismic sea waves, or tsunamis. (These are often called tidal waves, but the name is incorrect. They have nothing to do with tides.) In certain areas, earthquakes take place beneath the sea. These submarine earthquakes sometimes give rise to seismic sea waves. The waves are not noticeable out at sea because of their long wave length. But when they roll into harbors, they pile up into walls of water 6 to 60 feet high. The Japanese call them "tsunamis", meaning "harbor waves", because they reach a sizable height only in harbors.
Tsunamis travel fairly slowly, at speeds up to 500 miles an hour. An adequate warning system is in use to warn all shores likely to be reached by the waves. But this only enables people to leave the threatened shores for higher ground. There is no way to stop the oncoming wave.
1. Which of the following CANNOT be concluded from the passage?
A. The number of earthquakes is closely related to depth.
B. Roughly the same number of earthquakes occur each year.
C. Earthquakes are impossible at depths over 460 miles.
D. Earthquakes are most likely to occur near the surfaces.
2. The destruction of Agadir is an example of ______. ?
A. faulty building construction
B. an earthquake's strength
C. widespread panic in earthquakes
D. ineffective instruments
3. The United Nations' experts are supposed to______.?
A. construct strong buildings
B. put forward proposals
C. detect disastrous earthquakes
D. monitor earthquakes
4. The significance of the slow speed of tsunamis is that people may______.?
A. notice them out at sea
B. find ways to stop them
C. be warned early enough
D. develop warning systems
參考答案:1~4 C A B C
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