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Part IV Reading Comprehension (Reading in Depth)
Section A
47. very high
題目問颶風等自然災害帶來的損失情況如何。根據(jù)題干中的torrential rains, severe thunderstorms和tornadoes 可以定位到文章第一段，最后一句指出損失的總值是exceeded $250 million, 可見損失非常大，故得答案very high.
48. Because the available data are not detailed enough.
題目問傳統(tǒng)的天氣預報為何不能有效預報短期內(nèi)天氣的變化。由題干中的關鍵詞conventional models of atmosphere 可以定位到第二段的開頭，第一句話的后半句because the available weather data are generally not detailed enough直接給出了答案。
49. predicting general weather conditions over large regions
題目問傳統(tǒng)的天氣預報現(xiàn)在的主要用途。由題干中的關鍵詞conventional models 定位到第二段。最后一句指出conventional forecasting models do a much better job predicting general weather conditions over large regions than..., 即：傳統(tǒng)的方式現(xiàn)在主要是用來預測大范圍內(nèi)的總體天氣情況。
50. Accurate, short-range forecasts.
題干明確定位了本題的答案(第三段)，第一句話就給出了解釋：accurate, very short-range forecasts.
51. Computer programs and video equipment.
題目問什么使得Nowcasting 變成了現(xiàn)實。可以定位到文章的最后一句...using these new technologies in weather forecasting offices, Nowcasting is becoming a reality, 可見是these new technologies 使得Nowcasting成為現(xiàn)實，而these new technologies指代的就是上句話中的computer programs and video equipment.
