变压器油的凝点是指被试的油品一定的标准条件下，失去其流动性的温度。
参考答案：对
The students were completely _____ in their reading.
A．absorbing
B．being absorbed
C．to absorb
D．absorbed
以下哪项不是寒湿凝滞型痛经的主要证候：（）
A.经前小腹冷痛
B.得热痛减
C.按之痛甚
D.经色紫黑有块
E. * * 胀痛
