智能建筑的安全防范系统不包括（）。
A．办公自动化系统
B．防盗报警系统
C．电视监控系统
D．出入口控制系统
参考答案：A
The two pens are the same, but the red one cost _____________ that one.
A．as much twice as
B．twice as much as
C．much as twice as
D．as twice much as
由于反射而形成的重影是否严重，通常与哪些因素有关？
