物业管理作为房地产消费阶段的（）环节，对房地产保值、增值有着重大影响。
A.管理
B.服务
C.维护
D.保障
参考答案：A
Do you know what ______?[ ]
A. his favourite song is
B. is his favourite song
C. his favourite song
D. his most favourite song is
安全玻璃有（）
A、钢化玻璃
B、夹丝玻璃
C、夹层玻璃
D、中空玻璃
