心源性水肿患者，常先出现水肿的部位是（）
A.眼睑
B.胸腔
C.腹腔
D.人体最低部位
E.全身
参考答案：D
患者，男，60岁。腹胀大如鼓，按之如囊裹水，有波动感。应首先考虑的是：（ ）
A．水饮
B．痞满
C．积聚
D．水臌
E．内痈
—_____ have you been to Beijing?
—Twice.[ ]
A. How much time
B. How many times
C. How many time
D. How much times
