They are sure they have all the facts they need to ______the existence of a blac

游客2023-07-14 14

问题 They are sure they have all the facts they need to ______the existence of a black hole.

选项 A、obtain
B、maintain
C、verify
D、display

答案 C

解析动词辨析 obtain “获得，得到”；maintain“维持；维修；坚持；赡养”；verify“核实，查对，证明，证实”； display“陈列，展览；显示，表现”。

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