第1题: [多项选择]情景: 你是王菲,因为生病,所以向老师请假。 任务: 请你用英语写一个50字左右的请假条,应写: 1.因为生病,医生建议休息几天。 2.特此请假3天。 3.病好后立即返回学校上课。 参考答案:[参考范文] AEth Nov. B00D Dear Mr. Zhang, I feel very sick today and can not come to school. The doctor advised me to stay in bed for a few days. Now I’m writing to ask for sick leave of three days. I’ll come back to school as soon as I feel better. Yours truly, Wang Fei
第7题: [单项选择]儿童发病多见于 A. HAV B. HBV C. HCV D. HUV 参考答案:A 答案解析:[解析] 肝炎传播途径:(1)主要经消化道传播HAV和HEV。(2)主要经血液及体液传播HBV、HCV和HDV。(3)母婴传播主要见于HBV,亦可有HCV和HDV,但很少见。甲型肝炎以儿童多见,戊型肝