問題詳情
6 As energy demand grows greatly and fuel prices rise, scientists are looking for ____sources such as water,wind, and solar power.
(A) renewable
(B) flexible
(C) regional
(D) structural
參考答案
答案：A
難度：簡單0.757322
統計：A(181),B(18),C(18),D(9),E(0)
用户評論
【梅兒馬力】評論
renewable可再生的。structural結構的