The passage focuses on comets primarily in terms of their [br] Compared to the

游客2024-01-05  8

问题  The passage focuses on comets primarily in terms of their [br]  Compared to the tail of electrically charged atoms, the tail of neutral dust particles is relatively

选项 A、long
B、curved
C、unpredictable
D、bright

答案 B

解析
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