問題詳情
【題組】35 In response to the fast developing drone technology mentioned in this passage, what action should anational security officer take?
(A) Increase the number of drone manufacturers and buyers.
(B) Upgrade the national security and defense system.
(C) Ban the development of drone technology.
(D) Interview travellers and immigrants thoroughly.
參考答案
答案：B
難度：非常簡單0.944
書單：沒有書單，新增