Space is full of unseen hazards among which are cosmic rays.A、dangersB、ventures

游客2025-04-21 47

问题 Space is full of unseen hazards among which are cosmic rays.

选项 A、dangers
B、ventures
C、galaxies
D、prospects

答案 A

解析 hazard危险，公害。danger危险。venture冒险。galaxy银河系。prospect展望，前景，前程。

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