中国水墨写意花鸟画的完全成熟，归功于明代著名画家（）和（）。
参考答案：徐渭；陈淳
The expert offered us another piece of advice , ___ of great help to our program.
A．I think it is
B．I think which is
C．which I think it is
D．which I think is
市场风险是银行最为复杂的风险种类，也是银行面临的最主要的风险。（）
