global financial crisis is challenge for the whole world. Confidence, cooperatio

____ global financial crisis is ____ challenge for the whole world. Confidence, cooperation and responsibility are keys to overcoming the crisis.

A. A; the　 B. A; a　 C. The; the　 D. The; a

试题答案

D

句意: 全球金融危机对于整个世界都是一个挑战。信心, 合作和责任感是战胜危机的关键。第一空后的global financial crisis(全球金融危机)指我们都知道的这场危机, 故表特指, 所以用定冠词; 第二空后的challenge(挑战)是我们必须面对的挑战之一, 并非所有的挑战, 故用不定冠词。