2. 外语
  3. The word "exceeded" in paragraph 1 most probably means ______. Conventional computer models of the atmosphere fails to predict

The word "exceeded" in paragraph 1 most probably means ______. Conventional computer models of the atmosphere fails to predict

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问题 The word "exceeded" in paragraph 1 most probably means ______.
Conventional computer models of the atmosphere fails to predict such a short-lived tornado because ______.
选项 A、the computer is not used to forecast specific local events
B、the computers are not advanced enough to predict it
C、the weather data people collect are often wrong
D、weather conditions in some small regions are not available
答案D
解析 椎断题。第二段指出,“传统的计算机预测天气模式在预测像龙卷风这样的短期风暴方面并没有多大价值。因为可收集到的天气信息不够具体,所以计算机还没来得及研究微妙的天气变化,这样的暴风雨就已经来临了。”接着,文章以天气信息采集现状为例,指出“多数国家每隔几百英里才使用一次气象气球,每次间隔12小时。由于采集到的数据有限,传统的天气预报模式能够较好地预测大范围的总体天气情况而不是具体的局部天气事件。”所以选D。
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