阿摩線上測驗
41. According to the passage, which is a correct time sequence of the materials used in making spiral staircases?
(A) stone → iron→ steel →glass
(B) stone →wood→ iron → steel
(C) iron →marble→wood→glass
(D) marble→ wood→ stone → concrete
答案：登入後查看
統計： A(46), B(13), C(12), D(8), E(0) #3806610
統計： A(46), B(13), C(12), D(8), E(0) #3806610
