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题目材料:

Which of the following, if true, most helps to resolve the status of the orbiting body without casting doubt on the two standard theories mentioned?
  • AThe smaller a planet orbiting a star is, and the farther away it is from the star, the less likely it is to be discovered.
  • BIf a planet's orbit is disturbed, the planet can be drawn by gravity toward the star it is orbiting.
  • CThe largest of the bodies orbiting Upsilon Andromedae is the farthest away from the star, and the smallest is the nearest.
  • DIt is likely that there are many stars, in addition to Upsilon Andromedae and the Sun, that are orbited by more than one smaller body.
  • EIn most cases of companion stars, the smaller companion is much fainter than the larger star.

B显示答案

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