The two ancient university share many common features and are often jointly referred to as _____.
A. OC
B. Oxbridge
C. Bridgox
D. the elites
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慢性病毒性肝炎的病程一般超过:
A. 2周
B. 1个月
C. 3个月
D. 6个月
当患者血清只有抗-HBs、抗-HBc、抗-HBe阳性时,应考虑:
A. 急性乙肝恢复期
B. 慢性乙肝
C. 重型肝炎
D. 乙肝病毒慢性携带者
HBV感染的主要标志是:
A. 血中测出HBsAg
B. 血中测出抗-HBs
C. 血中测出HBcAg
D. 血中测出HBeAg
乙肝的主要传播途径是:
A. 消化道传播
B. 血液、血制品传播
C. 蚊虫叮咬
D. 呼吸道传播