. Three hours ______ enough for us to finish the task.
A.are
B.has
C.is
D.Were
答案:C
急性心肌梗死护理措施中最重要的是()
A.绝对卧床休息
B.盐水灌肠,促进排便
C.高流量吸氧
D.清淡、低盐饮食
E.心电监护
缠丝劲的特点是什么?