Long considered one of the most beautiful of the planets, Saturn has rings that

游客2024-01-11  21

问题 Long considered one of the most beautiful of the planets, Saturn has rings that scientists believe(i)______the wreckage of scattered moons, but that is partially just(ii)______as, so far, no spaceship has been able to bring any ring material specimens back to Earth.

选项

答案 A, E

解析 The best answer is A and E. Logically, Saturn’s rings are believed to be made up of the wreckage of scattered moons. Therefore, "consist of" is the best fit for the first blank. The contrasting conjunction "but," however, indicates a doubt to that belief. Therefore, "speculation" is the best fit for the second blank.
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