阿摩線上測驗
48 At what speed an hour does the proposed Japanese maglev train float above the guideway?
(A)580 kilometers
(B)110 kilometers
(C)145 kilometers
(D)127 kilometers
答案：登入後查看
統計： A(193), B(36), C(290), D(22), E(0) #2065727
統計： A(193), B(36), C(290), D(22), E(0) #2065727
