钢筋混凝土梁的跨度L ["6","8","10","12"]
You have a computer that runs Windows Vista. You need to ensure that all local administrators can install applications without being prompted for approval. What should you do?（） ["A","B","C","D"]
我国公司法规定的公司法人的治理结构属于以下模式（） ["单一委员会制","双层委员会制","董事会中心主义","介于单轨制和双轨制之间"]
下列对矢量图和位图描述正确的是：（） ["矢量图的基本组成单元是像素","位图的基本组成单元是锚点和路径","Adobe Illustrator 9.0图形软件能够生成矢量图","Adobe Photoshop 6.0能够生成矢量图"]
燃烧发生必须同时具备（）三个条件 ["可燃物","助燃物","着火源","风的大小"]
信用评级
