阿摩線上測驗
複選題
18. In many countries, renewable energy industries are still at a ______ stage and therefore face challenges
associated with high costs and poor performance.
答案：登入後查看
統計： A(55), B(62), C(20), D(56), E(3) #2058845
統計： A(55), B(62), C(20), D(56), E(3) #2058845
