持续时间很长、使人精疲力竭的应激源,可称为()
A.急性应激源
B.生活应激源
C.慢性应激源
参考答案:C
信用风险是( )的主要风险。
A.公债.B.普通股C.优先股D.公司债券
__________, she stood there without saying anything.
A.Tears coming to her eyes
B.Tears came to her eyes
C.With tears come to her eyes
D.Tears comes to her eyes