問題詳情

15.The shortage of food is becoming a __________ problem; millions of people around the world are at the risk ofstarving to death.
(A) normal
(B) unique
(C) nervous
(D) global

參考答案

答案：D
難度：簡單0.837209
統計：A(4),B(2),C(6),D(72),E(0)