前台人员接到业户关于其报修事项的处理进程的咨询时,应详细、耐心向业户解释,争取业户的理解,之后,工程人员必须将业户催办情况告知处理责任部门负责人或处理责任人。
参考答案:错
The party ____since the new year . [ ]
A. has been planned
B. had been planned
C. was planed
D. is planned
简述桑叶的贮藏注意事项。