問題詳情
223.Global warming has been a _____ problem; a number of countries are increasing their efforts to deal with climate change. But we still have a long way to go.
(A) crisp
(B) stubborn
(C) gentle
(D) bare
參考答案
答案：B
難度：適中0.473684
統計：A(0),B(9),C(6),D(2),E(0)
用户評論
【Mark Tsai】評論
Stubborn: difficult to get rid of or deal witha stubborn cough/staina stubborn problem