As a manager, I know my emotions will affect people around me, so I’m going to make a _______ effort to be more cheerful.

A．precious

B．curious

C．mysterious

D．conscious

下图主要表明经济全球化（）

A.既是机遇，又是挑战

B.使世界经济发展更加不平衡

C.加剧了全球经济的不稳定性

D.推动了全球资源的优化配置