1. 1 Department of Architecture and Design, Qinhuangdao Vocational and Technical College , Qinhuangdao , Hebei, , Peoples R China .
2. 2 The Communist Youth League, Qinhuangdao Vocational and Technical College , Qinhuangdao , Hebei, , Peoples R China .
3. 3 Department of Foreign Languages, Qinhuangdao Vocational and Technical College , Qinhuangdao , Hebei, , Peoples R China .