癔症性精神障碍在CCMD一3中被称为（），是癔病的两大症状之一。
参考答案：解离症状
—I didn't do well in the exam.
—______. I'm sure you can do better next time.[ ]
A. So you did.
B. Take your time.
C. Take it easy.
D. Make yourself at home.
酸雨是指PH值（）的雨、雪或其它形式的降雨。
A．≤6.0
B．≤7.0
C．≤5.6
D．≤5.0
