阿摩線上測驗
74 Why does tourism cause little damage to the environment?
(A) Tourists have to carry their garbage home.
(B) Scientists and researchers took the garbage away.
(C) Tour companies have tried hard to keep the area unpolluted.
(D) The openness of the Antarctic made pollution hardly noticeable.
答案：登入後查看
統計： A(0), B(6), C(9), D(0), E(0) #2203349
統計： A(0), B(6), C(9), D(0), E(0) #2203349
