根据《华润置地写字楼物业服务标准》要求,标准楼层区域室内的蟑螂成虫或若虫,阳性房间不超过()。
A.5%
B.8%
C.3%
D.10%
参考答案:C
进行系统调试工作前,应全面了解系统设备状态。对与运行设备有联系的系统进行调试应办理工作票,同时采取()措施,必要的地方应设专人监护。
His first book _____ next month _____ a true story. [ ]
A. published; is set in
B. to be published; is based on
C. to publish; based on
D. having been published; is set in