問題詳情
34. The increased carbon dioxide is probably not a threat to health, _____ it profoundly affects the way the earth is heated by the sun.
(A) nevertheless
(B) thus
(C) and
(D) but
參考答案
答案：D
難度：適中0.60514
統計：A(72),B(44),C(53),D(259),E(0)
用户評論
【Genie】評論
因為前後語句是轉折語氣，所以用but