射干的药用部位为
A.块根 B.根茎 C.块茎 D.鳞茎 E.球茎
参考答案:B
I must go there earlier. John has suggested that I ________ an hour before the discussion begins.
A.go
B.shall go
C.will go
D.would go
下列不符合盒呼吸性酸中毒合并代谢性酸中毒的表现的是()
A.PaCO2升高
B.pH降低
C.AB>SB
D.HCO3降低
E.BE低于正常