問題詳情
【題組】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.
參考答案
答案：A
難度：簡單0.667
書單：沒有書單，新增