职业道德的特征( )。
A．鲜明的职业性
B．形式的多样性
C．效果的联动性
D．调节的有限性
参考答案：A,B,C,D
物业管理企业保洁机构设置，无论规模大小都只设一个清洁班，这个说法对吗？
— Where is Carla?
— She ______ the library. I'm waiting for her. [ ]
A. has been to
B. has gone to
C. was in
D. went to
