阿摩線上測驗
24. What aspect of the Moscow Metro sets it apart from many other global metro systems?
(A) Its stations double as art galleries.
(B) It introduced the first interactive route-finding touchscreen.
(C) It was the first metro system to offer 24/7 service.
(D) It's the only metro system that operates underwater.
答案：登入後查看
統計： A(150), B(20), C(15), D(5), E(0) #3154200
統計： A(150), B(20), C(15), D(5), E(0) #3154200
