問題詳情

7 Scientists can't see a black hole with a telescope, and for that reason, there are a lot of theories,sometimes __________ones about what exactly black holes are.
(A) commuting
(B) contradicting
(C) compelling
(D) converting

參考答案

答案:B
難度:適中0.457831
統計:A(8),B(38),C(16),D(18),E(0)

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