第6题: [多项选择]关于拉米夫定治疗乙型肝炎下列哪些正确() A. 拉米夫定为一种逆转录酶抑制剂,具有抑制HBV复制的功能 B. 适用于急性乙型肝炎 C. 拉米夫定不能清除乙肝病毒感染细胞核内的cccDNA D. 治疗期间可能出现乙肝病毒变异 E. 拉米夫定为核苷类抗病毒药物 参考答案:A, C, D, E
第13题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He doesn’t like to eat outdoors. B. He prefers to eat with a knife and fork. C. He has to eat with his hands. D. He hates hamburgers and salad. 参考答案:C 答案解析:[听力原文]
M: I don’t like picnics because hamburgers and salad are so messy.
W: You worry too much ab