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。( )
