2001MBA联考英语样题 |
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编辑:yay |
来源:不详 |
日期:2007-7-26 17:26:10 |
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on than just the appear. ance of the clouds to make their forecast. They collect data from all over the world. Then they put it into powerful, high - speed computers. This does give meteorologists an advantage , because they can track weather patterns as they move from west to east across the country. But you have an advantage,too. You can look at the sky and get your data directly. A meteorologist uses a computer forecast that's several hours old to make a local forecast . What are you seeing when you look at a cloud?" A picture of what moisture is doing in the atmosphere" says meteorologist Peter Leavit . There's moisture throughout the atmosphere. Most of the time you don't see it , because it's in the form of an invisible gas called water vapor . Sometimes, the temperature of the air gets cold enough to cause the water vapor to change to liquid water. That's called condensation , and we see it happen all the time( for example , when humid air from the hower hits the cold glass of a mirror) . When enough water vapor condenses, droplets form in the air. These droplets scatter light. A cloud is seen. Watching clouds over a day or two tells you a lot more than a single cloud about the weather to come. Changes in clouds show changes in the atmosphere. You should begin to notice patterns. Certain clouds, following each other in order, can singal an approaching storm. But don't take our word for it; see for yourself. 33 . This passage mainly tells us about how__________. A. to become a meteorologist B. to keep an eye on the weather C. to be an assistant to a meteorologist D. to change water vapor to liquid water 34.Acording to the passage , an ordinary person might do as well as a meteorologist in weather forecast---. A. with the help of the high - speed computers. B. through a complex process of calculation C. with some simple practice looking up at the sky D.consulting a weather station. 35 . Meteorologists make their weather forecast---. A. by collecting data from all over the world B. by putting this data into powerful , high - speed computers C. by calculating and analyzing this data D.all above. 36 . Your advantage in weather forecasts is that---. A. you have more powerful computers at home B. your brain works as well as a high speed computer C. you observe the sky and obtain your data directly D.teorologists give their data to you as soon as they get them Questions 37 to 40 are based on the following passage: Security and commodity exchanges are trading posts where people meet who wish to buy or sell. The exchanges themselves do no trading,`they merely provide a place where prospective buyers and sellers can meet and conduct their business. Wall Street , although the best known , is not the only home of ex- changes in the United States. There are cotton exchanges in New Or- leans and Chicago `, the Mercantile Exchange , which deals in many farm pro |
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