职称英语理工C级：概括大意和完成句子3

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概括大意与完成句子
# W1 J7 f& _- R- x4 h$ a' ~/ hHurricanes （龙卷风）
1. Did you know that before 1950, hurricanes had no names? They were simply given numbers. The first names were simply Alpha, Bravo, Charlie, etc. But in 1953, female names were given because of the unpredictability （不可预知的） factor of the storms. In 1979, realizing the sexist （性别歧视的） nature of such names, the lists were expanded to include both men and women.
" {1 G- g/ ^1 b* d( w8 G2. Hurricanes and typhoons （台风） are the same things. If they form in the Atlantic, we call these strong storms hurricanes, from the West Indian word hurricane, meaning "big wind." And if they are Pacific storms, they are called typhoons from the Chinese taifun, meaning "great wind." To be classified as a hurricane, the storm must have maximum winds of at least 75 mph. These storms are big, many hundreds of miles in diameter.
4 n( a- N: v/ x4 K4 S. i$ v3. Hurricanes get their power from water vapor as it gives out its stored-up energy. All water vapor gives out heat as it condenses （凝结） from a gaseous state to a liquid state over fixed points on the equator （赤道）. To make a hurricane, you must have extremely wet, warm air, the kind of air that can only be found in tropical regions.
4. Scientists have determined that the heat given out in the process of water condensation can be as high as 95 billion kilowatts per hour. In just one day alone, the storm can produce more energy than many industrialized nations need in an entire year! The problem is that we don't know how to make such great energy work for us.
7 Q' x) y7 z4 w+ C; I% P9 Q5. Predicting the path of a hurricane is one of the most difficult tasks for forecasters. It moves at a typical speed of 15 mph. But not always. Some storms may race along at twice this speed, then suddenly stop and remain in the same location in the ocean for several days. It can be maddening （发疯的） if you live in a coastal area that may be hit.
* {8 ?$ o$ \- y; q& A/ Q8 F' R8 i( k6.  The biggest advance in early detection is continuous watch from weather satellites. With these, we can see the storms form and track them fully, from birth to death. While they can still kill people and destroy property, hurricanes will never surprise any nation again.
8 S5 K, r# E, y4 r2 C23 Paragraph 1______.24 Paragraph 2______.25 Paragraph 4______.26 Paragraph 5______.A　A Short History of Naming HurricanesB　Harnessing the Hurricane EnergyC　Difficulty in Forecasting the Course of a HurricaneD　Huge Energy Stored in a HurricaneE　Forecasting a Hurricane  Through Satellite WatchingF　Different Names for the Same Things
27 Both male and female names are used for hurricanes in consideration of______.28 Using weather satellites can ensure______of hurricanes.29 Energy specialists may be interested in______of hurricanes.30 Scientists cannot accurately predict the course of a hurricane due to______.A  the timely （及时的） discoveryB　convenienceC　sex equalityD　its connection with humans,E　the huge powerF　its uncertainly
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! a6 g+ K2 v, ~答案
7 W  p1 U: F& Q( u/ d( Q23. A24. F25. D26. C
- l( K7 [- R7 q3 x# }& [27. C28. A29. E30. F
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解析
& }+ m" I8 G) D$ _9 B: E23. A  A Short History of Naming Hurricanes 第一段讲的是飓风的命名问题。从没有名字到有名字，从女性名字到男女名字。通篇对飓风名字的历史做了一个小小的总结。
24. F　Different Names for the Same Things 第二段讲了来自不同地区的强大风拥有不同的名字。第一句话就点出飓风和台风是同一种风。正面的告诉我们这段的主题。
6 T4 T3 ^" [. ^0 t/ l. y) y25. D　Huge Energy Stored in a Hurricane 第四段说了飓风中拥有强大的能量，作者在第二句明显的表达了这一观点。
( ]: E- n2 I, I( ?) s9 U26. C　Difficulty in Forecasting the Course of a Hurricane 第一句话，开门见山的告诉了我们飓风预测是一件艰巨的任务。后面，对其进行了解释。
27. C　sex equality. 第一段：In 1979, realizing the sexist （性别歧视的） nature of such names, the lists were expanded to include both men and women.考虑到性别歧视问题，名单中出现了男性和女性的名字。

/ f; I) r- `+ M$ V: a3 R28. A  the timely （及时的） discovery. 第六段：The biggest advance in early detection is continuous watch from weather satellites.这句话说了最明显的进步就是通过天气卫星连续的近期观察。

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</p>29. E　the huge power. 第四段：The problem is that we don't know how to make such great energy work for us.前文一直描述飓风中蕴含的巨大能量，这句话表达了问题的关键就是无法利用其能量。侧面的说明了科学家对这种能量非常感兴趣。
6 f/ u3 I, z( n! R1 W30. F  its uncertainly. 第五段：Predicting the path of a hurricane is one of the most difficult tasks for forecasters. It moves at a typical speed of 15 mph. But not always. Some storms may race along at twice this speed, then suddenly stop and remain in the same location in the ocean for several days. It can be maddening （发疯的） if you live in a coastal area that may be hit.这段话描述了飓风的不确定性。所以，跟踪飓风是一件非常困难的事情。