肺炎球菌肺炎的典型症状是
A．寒战和高热
B．咳粘液脓性痰
C．咳铁锈色痰
D．患侧胸部疼痛
E．气急和发绀
参考答案：C
There are so many CDs that I don't know ______. [ ]
A. to buy which one
B. which to buy one
C. which one to buy
D. to buy one which
为了解治疗后幽门螺杆菌是否根除，应选择下列哪项进行复查
A．停药当时粪便抗原检测B．停药后2周快速尿素酶试验C．停药后1个月尿素呼气试验D．停药后3个月血清IgM抗体检测E．停药后6个月血清IgG抗体检测
