伤寒最具特征性的病变部位在
A.肝、胆囊
B.肠系膜淋巴结
C.结肠
D.回肠下段集合淋巴结与孤立淋巴滤泡
E.乙状结肠
参考答案:D
Thank you for all your hard work last week. I don’t think we ______ it without you.[ ]
A. could have managed
B. can manage
C. can have managed
D. could manage
能有效控制绿脓杆菌感染的药物是()。
A.四环素
B.利巴韦林
C.妥布霉素
D.氟康唑
E.林可霉素