主要报警信号种类（）。
A.瞬时报警
B.紧急报警
C.延时报警
D.防拆报警
E.防破坏报警
F.传递延时报警
参考答案：A, B, C, D, E, F
—Mary, would you like to visit the Science Museum with me?
—_______, but surfing the internet seems more interesting. [ ]
A. I'd love to
B. That's it
C. You're welcome
D. no, problem
对流脑的预后，正确的叙述有（）
A.暴发型预后较差
B.小于1岁及高龄病人预后较差
C.流行高峰时预后较好，末期则较差
D.反复惊厥、持续昏迷者预后较差
E.治疗较晚和治疗不彻底者预后不良
