阿摩線上測驗
10.Vessel Traffic Services (VTS) means service designed to ________the safety and efficiency of
vessel traffic and to protect the environment.
(A)increase
(B)monitor
(C)improve
(D)control
答案：登入後查看
統計： A(31), B(26), C(123), D(23), E(0) #625448
統計： A(31), B(26), C(123), D(23), E(0) #625448
