Question

【题目】As its economy is maturing，China’s _________a greater role in critical issues like climate and development.

A. defining B. assuming C. guaranteeing D. assuring

Answer 1

【答案】B

【解析】考查动词。句意：随着经济发展的成熟，中国正在重大问题上承担更重要的角色，例如气候和发展。defining定义；assuming承担；guaranteeing确保；assuring确信，故选B。