阿摩線上測驗
42. What has become a concern after storm chasing gets more popular?
(A) Weather conditions.
(B) Safety issues.
(C) Equipment cost.
(D) Media coverage.
答案：登入後查看
統計： A(16), B(119), C(8), D(17), E(0) #2427423
統計： A(16), B(119), C(8), D(17), E(0) #2427423
