第9题: [单项选择]关于HCV的描述正确的是() A. 为RNA B. 需与HBV协同感染 C. HCV患者不会发展到肝硬化 D. HCV通过粪口传播 E. 病毒本身无法复制 参考答案:A
第10题: [单项选择]{{B}} Passage One
Questions 26 to 29 are based on the passage you have just heard.{{/B}} A. They are not active animals. B. The weather is too drought and sweltering. C. They have nothing to eat during the summer. D. Their body temperature is not high enough. 参考答案:B 答案解析:[听力原文]
Why do some animals aestivate
[分析] 依据文中:...aestivative animals,however,will have a long