水钠潴留常见于
A．对乙酰氨基酚B．布洛芬C．保泰松D．乙酰水杨酸E．吲哚美辛
参考答案：C
通信管道的各种高程，以水准点为基础，允许误差应不大干（）
A、±10mm
B、±12mm
C、±15mm
D、±18mm
What would you like to drink?（）
A.Anything wrong?
B.Very good.
C.Well done, please.
D.Orange juice, please.
