流行性乙型脑炎病毒传播环节中最重要的中间宿主是
A.蚊
B.幼猪
C.成年猫
D.乙型脑炎带毒者
E.虱
参考答案:B
根据中文提示,写出单词的正确形式(5分。(每空限填一词)
小题1:Are you____________(能够) to play the piano?
小题2:Go ______ (穿过) the street and keep going, you will see the hotel on your right.
小题3:I often have a ____________(野餐)with my friends on Sundays in spring.
小题4:---Could you tell the _____ (道路) to the nearest hospital? ----Yes, of course.
小题5:Whose ____________(手套)are those?
下列各项,表示HBV复制活跃的指标是()。
A.抗-HBs
B.HBsAg
C.HBeAg
D.抗-HBe
E.抗-HBc