問題詳情

50. Why can commercial drone users be free from the regulation of drone law?
(A) There is a complete ban for the use of commercial drone.
(B) The commercial drone rules have not finalized.
(C) The commercial drone users operate the drone with extensive experience.
(D) The exemption is helpful to the development of drone businesses.

參考答案

答案:B
難度:非常困難0.176471
統計:A(5),B(6),C(10),D(12),E(0)

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