2. 外语
  3. According to the passage, the greatest part of the solar energy that reaches the Earth is ______. It can be concluded from info

According to the passage, the greatest part of the solar energy that reaches the Earth is ______. It can be concluded from info

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问题 According to the passage, the greatest part of the solar energy that reaches the Earth is ______.
It can be concluded from information contained in the passage that the average temperature at an altitude of 1 kilometer above the Earth is about ______.
选项 A、15℃
B、9℃
C、25℃
D、-18℃
答案B
解析
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