They are sure they have all the facts they need to ______ the existence of a bla

游客2023-11-18  18

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 C verify意为“核实,查证”,符合题意,故为答案。而其他三个选项与上下文意思不符,故排除。
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