下列哪项物品不可作为灭菌包装材料:().
A.无纺布
B.开放式储槽
C.纸塑袋
D.硬质容器
参考答案:B
—How long have you _____ the dictionary?
—For two years. [ ]
A. buy
B. bought
C. had
男,35岁,乙肝带菌者,体检时发现肝部异常光团,如图可诊断为()
A.肝癌
B.肝转移癌
C.肝脓肿
D.多发肝血管瘤
E.肝囊肿