单项选择题
A.恶心、呕吐B.尿量减少C.口唇干燥D.皮肤弹性降低E.口渴
A.1个月以内B.1~3个月C.3~6个月D.6~12个月E.终身抗凝
A.1~2L/minB.2~4L/minC.4~6L/minD.6~8L/minE.8~10L/min