皮皮学，免费搜题
登录
搜题
【判断题】
两电平脉冲整流器同一桥臂的开关可以同时导通。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】It was a cold winter day that Sunday. The parking lot to the 1 was filling up quickly. I noticed, as I got out of my car, fellow church members were 2 among themselves as they walked in the church. As...
【简答题】语法填空(共20小题,每空1.5分,共30分)。 Li daiyu and Liu Qian were 1____a trip across Canada. 2____than take the aeroplane all the way, they would go 3____Canada by train after arriving in Vancouver by air. Canada i...
【简答题】完形填空。 We were going to play against a team from a country school. They didn't come until(直到……才) the time 1 . They looked worse than we had thought. They were 2 dirty blue jeans and looked like fa...
【简答题】(1) reporters went to large cities all around the world. They went to (2) countries. In the survey, they tested (3) people. The reporters did three things: (4) , the paper drop test, and they looked a...
【简答题】某家俱城是一座三层的钢结构建筑，一层长80米，宽38米。消防大队检查发现钢制构件上面只刷了防锈漆，每层都是敞开的大厅，两侧各设一座敞开楼梯，设有室内消火栓系统，每个摊位均配有灭火器，开有门窗。 问： （1）该家俱城存在哪些火灾隐患和消防违法行为？ （2）对该家具城营业厅内的疏散走道有什么要求？ （3）对存在的问题大队应如何处理？
【简答题】某家俱城是一座三层的钢结构建筑，一层长80米,宽38米。消防大队检查发现钢制构件上面只刷了防锈漆，每层都是敞开的大厅，两侧各设一座敞开楼梯，设有室内消火栓系统，每个摊位均配有灭火器，开有门窗。 问： (1)该家俱城存在哪些火灾隐患和消防违法行为? (2)对该家具城营业厅内的疏散走道有什么要求? (3)对存在的问题大队应如何处理?
【简答题】某钢结构防火涂料经复验发现不合格，但已经喷涂，如何处理？
【简答题】Choose a word or expression from the list and use its appropriate form to fill in each blank. run spot aftermath shortage a sea of valid scoop up tough * The teacher looked down and saw __ 1 __ smilin...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
