2. 考研
  3. One characteristic of weather maps not mentioned by the author in this passage is______. The thirty-day forecast is determined

One characteristic of weather maps not mentioned by the author in this passage is______. The thirty-day forecast is determined

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问题 One characteristic of weather maps not mentioned by the author in this passage is______.
The thirty-day forecast is determined by examining______.
选项 A、upper air levels
B、satellite reports
C、changing fronts
D、daily air maps
答案A
解析 本文第二段最后一句明确指出"These 30-day outlooks are base upon an analysis of the upper air levels with often set the stage for the development of air masses，fronts，and storms"，所以本题的正确答案应当为A。
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考研英语一

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