妊娠小便淋痛又称
A．子晕B．子病C．子烦D．子淋E．子肿
参考答案：D
—Sorry, I have to ________ now. I have a train to catch.
—Goodbye! Wish you a pleasant journey.
A．ring out.
B．call out
C．call on
D．ring off
蓄电池的主要性能参数有（）。
A.工作电压
B.容量
C.工作温区
D.循环寿命
