正常产褥期为产后()
A.3周
B.4周
C.5周
D.6周
E.8周
参考答案:D
某患者腹痛、腹胀、呕吐,肛门停止排气、排便3天。应首选检查方法是()
A.钡灌肠
B.B超
C.立位腹部平片
D.钡餐检查
E.CT
_______yogurt do you need?[ ]
A. How many
B. How much
C. How often
D. How long