2. 职称英语
  3. The passage is mainly about ______. [br] According to the passage the low-Earth

The passage is mainly about ______. [br] According to the passage the low-Earth

游客2023-09-17  8
问题 The passage is mainly about ______. [br] According to the passage the low-Earth orbit is ______.
选项 A、the destination for most commercial payloads
B、a few hundred kilometers above the earth
C、about 36,000 kilometers away above the earth
D、a few hundred kilometers above the stationary orbit
答案 D
解析 细节题。根据文章第五段第二句“很多商业有效荷载的目的地要么是现在已经很拥挤的固定轨道——许多卫星涌向这一距离地球赤道上空3万6千公里的地方挤占一席之地；要么奔向距离赤道上空只有几百公里近地极轨道。”可知地球低轨道位于对地静态轨道以上几百公里，故D正确。
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