开口于蝶筛隐窝的鼻旁窦是
A.上颌窦
B.蝶窦
C.额窦
D.筛窦前群
E.筛窦后群
参考答案:B
—Can I help you with it?
—I appreciate your , but I can manage it myself.
A.offer
B.advice
C.question
D.idea
输入动物,检出一类传染病、寄生虫病的,将传染病、寄生虫病的携带者扑杀并销毁尸体处理。( )