TFXl型防滑器系统主要由速度传感部分、()、防滑排风阀、压力继电器等四部分组成。
参考答案:TFXl型防滑主机
—Jack, would you like to go to the cinema with me this evening?
— ______
—I asked if you would like to go to the cinema with me this evening?
A.Sorry?
B.Excuse me.
C.I’m afraid not.
D.Sorry, I can’t decide yet.
某小学发现1例流脑患者,对该校师生进行检查,19人咽拭子培养发现有脑膜炎奈瑟球菌生长,这19位师生属于()
A.患者
B.病原携带状态
C.隐性感染
D.潜伏性感染
E.显性感染