2. 外语
  3. A. the timely (及时的) discovery B. convenience C. sex equality D. its connection with humans E. the huge power F.

A. the timely (及时的) discovery B. convenience C. sex equality D. its connection with humans E. the huge power F.

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问题 A. the timely (及时的) discovery   
B. convenience   
C. sex equality   
D. its connection with humans     
E. the huge power
F. its uncertainty
Scientists cannot accurately predict the course of a hurricane due to______.
选项
答案F
解析 关键词为scientist和predict，依据此关键词，在文中找到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.意为：预测飓风的轨迹对预报员来说，是一项非常艰难的任务，因为它的速度相当的快，故选F。
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