北京市地方标准.DB11/419–2007标准《电梯安装维修作业安全规范》规定了电梯 发布时间:2017-02-24 00:18 │ 来源:www.tikuol.com 题型:单项选择题 问题: 北京市地方标准.DB11/419–2007标准《电梯安装维修作业安全规范》规定了电梯在安装中,作业平台的脚手板的宽度应大于()mm以上..A.50B.60C.200D.150
题型:单项选择题 Your project team identified six related projects with major dependencies on your deliverables. Some of these projects have a very similar scope and may overlap with your deliverables. In Light of this, which of the following should you be MOST concerned aboutA) Scope change control.B) Scope verification.C) Risk response planning.D) Communications planning. 查看答案
题型:单项选择题 某患者,男性,64岁,主诉“食物嵌塞五年”,口腔检查发现:前牙深覆糟,双侧后牙牙尖低平,面几乎为平面,牙本质暴露,咬合紧密;邻接呈平面状接触,近远中径减小;牙龈退缩,牙根暴露。自述有长期夜磨牙习惯影响患者的咀嚼效率降低的原因不包括()A.咬合面严重磨牦B.牙本质暴露C.牙周病D.夜磨牙E.食物嵌塞 查看答案