用于流感病毒分离与鉴定的标本应取自患者哪个部位( )
A．血清B．鼻咽分泌物C．唾液D．黏膜渗出液E．排泄物
参考答案：B
“四就直拨”是指就厂直拨，就车站（码头）直拨，就（）就车般（过载）直拨。
The young men were___ _as either safe or unsafe drivers. [ ]
A. decided
B. assessed
C. said
D. judged
