阿摩線上測驗
42. According to the passage, which of the following can cause inefficient access to natural resources?
(A) Using modern technology
(B) Using machinery
(C) Lacking tour guides
(D) Lacking know-how
答案：登入後查看
統計： A(62), B(55), C(42), D(398), E(0) #2378947
統計： A(62), B(55), C(42), D(398), E(0) #2378947
