上海高考英语选词填空专项试———————————————————————————————— 作者:———————————————————————————————— 日期:2Section BDirections: Complete the following passage by using the words in the box. Eachword can only be used once. Note that there is one word more than you . accurateF. enormouslyB. alterationG. initialC. averageH. intervalsD. calculatesI. merelyE. concealJ. multiplyK. predictionBeyond two or three days, the world’s best weather forecasts are based onguesswork, and beyond six or seven they are Butterfly Effect is the reason. For small pieces of weather — and to a globalforecaster, small can mean thunderstorms and snowstorms— any ___41___ failsrapidly. Errors and uncertainties ___42___, gathering upward through a chain ofunstable features, from dust devils (尘旋风) and windstorms up to continent-sizeeddies (旋风) ___43___ satellites can modern weather models work with work of points of the order of sixtymiles apart, and even so, some ___44___ data has to be guessed, since ground stationsand satellites cannot see everywhere. But suppose the earth could be covered withsensors spaced one foot apart, rising at one-foot ___45___ all the way to the top of theatmosphere. Suppose every sensor gives perfectly ___46___ readings of temperature,pressure, dampness, and any other quantity a meteorologist (气象工作者) would at noon a(n) ___47___ puter takes all the data and
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