哪项检查对诊断最有帮助
A.PPD试验
B.诊断性腹腔穿刺
C.上腹部CT
D.B超检查
E.乙肝两对、半
参考答案:C
-- Sorry, it's already 6 o’clock. I have to be off for an appointment.
--- OK. ________.
A.It couldn’t be better
B.You really have me there
C.Let’s call it a day
D.Take your time
浸火柴杆于本品水浸液中,使着色,干后再浸入盐酸中立即取出,于火焰附近烤,杆上发生深红色反应的药材是()
A.海金沙
B.儿茶
C.芦荟
D.冰片
E.青黛