Mercury is the nearest planet to the sun and its period of ______ is 88 days.A、m

游客2025-03-27  4

问题 Mercury is the nearest planet to the sun and its period of ______ is 88 days.

选项 A、movement
B、evolution
C、return
D、revolution

答案 D

解析 A项movement,“运动”;B项evolution“进化”;C项retum“返回”;D项revolution“革命,公转”,应选D。
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