Last month, Mars and Earth were at the closest points in(heir______orbits. The distance between the two worlds was 68 million ki

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问题 Last month, Mars and Earth were at the closest points in(heir______orbits. The distance between the two worlds was 68 million kilometers.

选项 A、identical
B、respective
C、rigid
D、reverse

答案B

解析 形容词词义辨析。根据句中Mars and Earth,能与orbits(轨道)搭配的形容词只能是respective(各自的,分别的),两个星球是在各自的轨道上的。故答案为B。identical“恒一的,完全相同的”;rigid“严格的,僵硬的”;reverse“反面的”。
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