百日咳咳嗽的特点为( )
A.咳声重浊,痰稠色黄B.呛咳连声,并有回声C.咳声清扬,伴流清涕D.咳声嘶哑,如犬吠样E.干咳无痰,口鼻干燥
参考答案:B
This computer is too expensive. I can't _______ it at all. [ ]
A. afford
B. get
C. pay
D. spend
记录妊高征孕妇水肿(++)是指
A.髁部及小腿有凹陷性水肿,经休息后消退B.髁部及小腿有凹陷性水肿,经休息后不消退C.水肿限于膝关节以下D.水肿延及股部E.水肿延及外阴和腹部