单项选择题
A.1,2B.2,3C.3,4D.4,5
A.5~7天,24小时B.7~10天,24小时C.7~14天,36小时D.7~10天,36小时
A.−125mmHg~−450mmHgB.−90mmHg~−120mmHgC.−100mmHg~−300mmHgD.−150mmHg~-380mmHg