2. 职称英语
  3. Which of the following would be the most appropriate title for the passage? [br]

Which of the following would be the most appropriate title for the passage? [br]

游客2025-07-28  15
问题 Which of the following would be the most appropriate title for the passage? [br] It can be inferred from the passage that the gases of the Earth’s atmosphere are contained by ______ .
选项 A、a closed surface
B、the gravity of the planet
C、the field of space
D、its critical point
答案 B
解析 依据文章第四句话：因为气体将扩散到有可能到达的整个空间，所以必须存于一个封闭的容器内，至于地球上的大气，则是由于重力场的作用而使其不致外散。
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