研究建设项目建设方案的目的，是从（）各方面全面研究实现设定的市场目标、功能目标和效益 发布时间：2023-05-07 05:05 │ 来源：www.tikuol.com 题型：多项选择题 问题： 研究建设项目建设方案的目的，是从（）各方面全面研究实现设定的市场目标、功能目标和效益目标的较优方案。A．技术B．经济C．环境D．社会E．人口
题型：多项选择题 假设你是张丽，是家住四川芦山地震灾区林娜的笔友。她给你发来了一封电子邮件，请看后给她回复，针对她的问题给她一些建议，并谈谈你的想法。Dear Zhang Li,I have been so sad these days. As you know, an earthquake happened in my hometown and both my parents died. Though the government gives us much help, my little sister and I cried every night because of missing, and I don’t want to learn anything. I find it hard to talk with the people around. Life is dark for me without parents’ love!What should I do? I really need your help.Yours,Lin Na Dear Lin Na,I’m so sorry to hear the sad news. I understand you .________________________________________________________________________________________________________________________________________I hope what I said can help you. Yours,Zhang Li 查看答案
题型：多项选择题 信号电路对继电器由什么要求（）。A.继电器的动作必须可靠和准确B.使用寿命长C.有足够的闭合和断开电路的能力D.当周围介质温度和适度在一定范围内发生变化时能保持很高的电器绝缘值 查看答案