( )是应急活动的基本原则。A.场内指挥B.统一指挥C.场外指挥D.技术指挥 发布时间:2018-01-13 03:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: ( )是应急活动的基本原则。A.场内指挥B.统一指挥C.场外指挥D.技术指挥
题型:单项选择题 Good paper is used letters, magazines and books. [ ]A. to writing B. writing C. written D. for writing 查看答案