2. 外语
  3. It can be inferred from the first paragraph that The main difference between the Earth’s atmosphere and the simulated one is

It can be inferred from the first paragraph that The main difference between the Earth’s atmosphere and the simulated one is

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问题 It can be inferred from the first paragraph that
The main difference between the Earth’s atmosphere and the simulated one is
选项 A、their size.
B、their content.
C、their height.
D、their density.
答案A
解析 本题是细节题。由题干中的the Earth’s atmosphere定位至倒数第二段。第二句指出“计算机程序模拟地球大气进行研究”。第四句提到：But there are problems with the computer models，之后分析原因：The atmosphere is very big...，末句中的“such small scales”表明模拟大气和地球大气之间的区别在于尺寸，故[A]为答案。[B]具有较强的干扰性，虽然倒数第二句提到大气中存在的很多物质，但作者重点放在scales上，排除此项。
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