(A) alternative 另★★;★★★(☆) ...
inferential a.推理的;推論的
5. Our major energy sources today are coal, gas and oil, but we expected it will run out next century and so it is vital that we develop_____sources.(A) alternative 替代性(B) inferential 推理性(C) contextual 情境性(D) progressive 進步性coal (n)煤 vital (a)至關重要的
5. Our major energy sources today are co..-阿摩線上測驗