梅毒的基本病变是______、_____和______。
参考答案：闭塞性血管内膜炎；血管周围炎；树胶肿
--- What’s wrong with my son, doctor?
--- ____________ serious, just a slight cold. He’d better drink some water.
A．Everything
B．Nothing
C．Something
D．Anything
脓毒败血症(septicopyemia)
