一陨石飞向地球,落入海洋的可能性为 A.70% B.30%

一陨石飞向地球,落入海洋的可能性为　　　　　　　　　　　　　　　　　

　 A.70% B.30% C.50% D.100%

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一陨石飞向地球,落入海洋的可能性为 A.70% B.30%

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