负债资金与权益资金的比率称为（）
A、企业负债结构
B、企业收益
C、企业权益结构
D、企业的资金结构
参考答案：D
The manager listened to the customers’ complaints attentively with great patience, _______ to miss any point.
A．not trying
B．trying not
C．to try not
D．not to try
-9+12÷（-6）+[-（-4）2÷（-8）]=______．
