下列复盐浓度在指标范围内的是()
A、250g/l
B、350g/l
C、450g/l
参考答案:A
You may do whatever you like in the holiday. ________ me, I think I can have a rest.
A.As for
B.As with
C.As
D.As about
麦角胺()
A.有中枢抑制作用和降压作用
B.对早期或中期妊娠子宫均有强大收缩作用
C.对子宫体和子宫颈的兴奋作用无明显差别
D.使子宫体产生节律性收缩,子宫颈松弛
E.收缩脑血管,减少动脉搏动幅度