Each morning, millions of us turn on our radios and televisions for the weather forecast. Do the cloudy skies mean rain? Will rising temperatures bring a 1 to melt snow and ice? Once we hear the forecast, we decide what clothes to wear and 2 to carry an umbrella or not.
3 ,though, weather forecasts are obviously incorrect. Yes, though the accuracy of forecasts has improved in recent years, predicting（预测）the weather is a fascinating mixture of art and science.
Predicting the weather is not all hard science. The computers can only give some descriptions of the behavior of the atmosphere（大气） Furthermore, even an accurate forecast for a large area may not take 4 the effect of local area on the weather. So some 5 of art is also necessary.
A. climate B. spell C. term
2. A. whether B. what C. if
3. A. In no time B. For the first time C. From time to time
4. A. the place of B. care of C. into consideration
5. A. case B. degree C. extent
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