属于集中型商圈（）。
A、工业区
B、商业区
C、旅客中转区
D、集贸区
参考答案：B, C
Now many people move into cities in order to have their children _______.
A．better educate
B．receive well education
C．better educated
D．accept better education
单位消防安全制度主要包括哪些内容?
