严重代谢性酸中毒（）.
A.呼吸过缓
B.呼吸浅快
C.呼吸深快
D.呼吸深慢
E.呼吸过速
参考答案：D
Where have you been all these years? I have been ___ my village and have ben working in a factory in Zhuhai.
A．goingo out from
B．leaving
C．absent in
D．away from
下列生物碱中碱性最强的生物碱是
A．益母草碱
B．秋水仙碱
C．延胡索乙素
D．去甲乌药碱
E．苦参碱
