放射免疫治疗的疗效与肿瘤大小有明显关系,当McAb的摄取率开始明显升高时肿瘤的直径常为()
A.<1cm
B.<5mm
C.<3mm
D.<1mm
E.<1nm
参考答案:D
_____ to give up smoking, he threw away all his remaining cigarettes. [ ]
A. Determine
B. To determine
C. Determined
D. Being determined
患者,男性.42岁。因心悸、胸闷5天入院,心电图显示频发性室性期前收缩,宜选用哪种抗心律失常药()
A.胺碘酮
B.索他洛尔
C.美西律
D.奎尼丁
E.普罗帕酮