下列哪个疾病最易发生代谢性碱中毒
A.肝性脑病
B.过敏性休克
C.幽门梗阻
D.肾功能不全
E.消化性溃疡
参考答案:C
— Why do you want to go there?
— _______I have never been to an amusement park before. [ ]
A. That
B. So
C. How
D. Because
正常生产时调速电机的周围环境应保持清洁,()风口保持畅通无阻。
A.进风
B.排风
C.进出
D.上下