土木工程力学02任务_0006答案汇.doc

土木工程力学02任务_0006 一、单项选择题（共?10?道试题，共?30?分。） 1.?? 下图所示结构的弯矩图形状应为  HTMLCONTROL Forms.HTML:Option.1 A.  HTMLCONTROL Forms.HTML:Option.1 B.  HTMLCONTROL Forms.HTML:Option.1 C.  HTMLCONTROL Forms.HTML:Option.1 D. ??????满分：3??分 2.?? 对下图（a）所示结构，按虚拟力状态图（b）将求出  HTMLCONTROL Forms.HTML:Option.1 A. 截面B的转角  HTMLCONTROL Forms.HTML:Option.1 B. 截面D的转角  HTMLCONTROL Forms.HTML:Option.1 C. BD两点间的相对移动  HTMLCONTROL Forms.HTML:Option.1 D. BD两截面间的相对转动 ??????满分：3??分 3.?? 图示结构B截面，弯矩等于  HTMLCONTROL Forms.HTML:Option.1 A. 0  HTMLCONTROL Forms.HTML:Option.1 B. m上拉  HTMLCONTROL Forms.HTML:Option.1 C. 1.5m下拉  HTMLCONTROL Forms.HTML:Option.1 D. 1.5m上拉 ??????满分：3??分 4.?? 图示多跨静定梁支座截面C的弯矩等于  HTMLCONTROL Forms.HTML:Option.1 A. （上侧受拉）  HTMLCONTROL Forms.HTML:Option.1 B. （下侧受拉）  HTMLCONTROL Forms.HTML:Option.1 C. m（上侧受拉）  HTMLCONTROL Forms.HTML:Option.1 D. 0 ??????满分：3??分 5.?? 简支梁两种状态的弯矩图如图所示，图乘结果是  HTMLCONTROL Forms.HTML:Option.1 A.  HTMLCONTROL Forms.HTML:Option.1 B.  HTMLCONTROL Forms.HTML:Option.1 C.  HTMLCONTROL Forms.HTML:Option.1 D. ??????满分：3??分 6.?? 下图所示伸出梁弯矩图的正确形状为  HTMLCONTROL Forms.HTML:Option.1 A.  HTMLCONTROL Forms.HTML:Option.1 B.  HTMLCONTROL Forms.HTML:Option.1 C.  HTMLCONTROL Forms.HTML:Option.1 D. ??????满分：3??分 7.?? 下图所示的对称桁架中杆1和杆2的内力之间的关系是  HTMLCONTROL Forms.HTML:Option.1 A.  HTMLCONTROL Forms.HTML:Option.1 B.  HTMLCONTROL Forms.HTML:Option.1 C.  HTMLCONTROL Forms.HTML:Option.1 D. ??????满分：3??分 8.?? 图示对称结构中杆1与杆2的内力关系是  HTMLCONTROL Forms.HTML:Option.1 A.  HTMLCONTROL Forms.HTML:Option.1 B.  HTMLCONTROL Forms.HTML:Option.1 C.  HTMLCONTROL Forms.HTML:Option.1 D. ??????满分：3??分 9.?? 图示结构当支座B有沉降时产生  HTMLCONTROL Forms.HTML:Option.1 A. 内力  HTMLCONTROL Forms.HTML:Option.1 B. 反力  HTMLCONTROL Forms.HTML:Option.1 C. 位移  HTMLCONTROL Forms.HTML:Option.1 D. 变形 ??????满分：3??分 10.??能使静定结构产生内力的外因为  HTMLCONTROL Forms.HTML:Option.1 A. 荷载  HTMLCONTROL Forms.HTML:Opt