問題詳情

34.Many urban office buildings, in fact, have concentrations of carbon dioxide eight or more times _the atmosphere.
(A) as high
(B) as higher of
(C) as high as that of
(D) higher than that for

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)