《烟草建筑设计防火规范》规定,烟草建筑设计中,火灾事故照明和疏散指示标志可采用()作 发布时间:2017-09-13 23:52 │ 来源:www.tikuol.com 题型:单项选择题 问题: 《烟草建筑设计防火规范》规定,烟草建筑设计中,火灾事故照明和疏散指示标志可采用()作备用电源,但连接供电时间不应小于20minA.照明电源B.动力电源C.蓄电池D.干电池
题型:单项选择题 关于固定资产投资的产业结构,下列说法不正确的是( )。A.在经济发展水平较高时,通常第一产业投资所占的比重较大B.当工业化基本实现后,第三产业发展较快,其所占比重也将不断提高C.当前产业结构的形成主要由过去产业投资结构决定,现在的产业投资结构在很大程度上决定着未来的产业结构D.调整投资在三次产业和各行业间的分布,是促进国民经济结构调整和优化升级的主要手段之一 查看答案
题型:单项选择题 Directions:You and your friend just arrived home from a trip arranged by a travel agency named HappyTours. You are most unsatisfied with the service and arrangement of the travel agency and you decide to write a letter of complaint to the Manager of HappyTours. Imagine some details of this trip. Write your letter in no less than 100 words. Write it neatly on ANSWER SHEET 2.Do not sign your own name at the end of the letter; use" Li Ming" instead.Do not write the address. 查看答案