2014高考英语阅读理解巩固精品题练习(42)及答案
Ever wonder how much a cloud weighs? What about a hurricane? A meteorologist has done some estimates and the results might surprise you.
Let\'s start with a very simple white puffy cloud — a cumulus cloud(积云). How much does the water in a cumulus cloud weigh? Peggy LeMone, senior scientist at the National Center for Atmospheric Research in Boulder, Colorado, did the numbers. \'The water in the little cloud weighs about 550 tons,\' she calculates. \'Or if you want to convert it to something that might be a little more meaningful … think of elephants.\'
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