問題詳情

18.According to Wood for Good, an organization that advocates for sustainable wood construction, a ton of bricks requires four times the_of energy to produce as a ton of sawn softwood.
(A) amount
(B) usage
(C) quality
(D) number

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦