問題詳情
【題組】26. Soot is the second most important _________ to global warming; soot could result in twice asmuch global warming as previously estimated.
(A) catalyst
(B) disperser
(C) patron
(D) contributor
參考答案
答案：D
難度：適中0.666667
統計：A(0),B(1),C(1),D(4),E(0)
用户評論
【Ritter】評論
(A) catalyst 催化劑(B) disperser 分散