阿摩線上測驗
33. Crash-stop means an emergency __________ operation of the main engine(s) to avoid a
collision.
(A) release
(B) return
(C) revised
(D) reversal
答案：登入後查看
統計： A(58), B(117), C(106), D(251), E(0) #3246838
統計： A(58), B(117), C(106), D(251), E(0) #3246838
