【判断题】【消耗次数:1】
结构力学是研究杆件结构的强度、刚度和稳定性的一门学科。
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相关题目
【单选题】 结构力学的研究对象是()。
①  单根杆件
②  杆件结构
③  板壳结构
④  实体结构
【单选题】 结构力学的研究对象主要包括 ( )。
①  一般承受荷载的物体
②  板壳类结构物
③  杆组成的杆系结构
④  地基基础
【单选题】 结构构件静力强度和稳定性设计方法采用()。
①  容许应力法
②  最大荷载法
③  半概率法
④  一次二阶矩法
【单选题】 材料力学是研究构件承载能力的一门学科。
①  正确
②  错误
【单选题】 刚度和稳定性()
①  只与材料的力学性质有关
②  只与构件的形状尺寸有关
③  与二者都有关
④  与二者都无关.
【判断题】 压杆的抗弯刚度愈大,稳定性越好。 ()
①  正确
②  错误
【多选题】 土壤结构稳定性包括
①  A机械稳定性
②  B水稳性
③  C生物稳定性
④  D重力稳定性
【单选题】 结构力学影响线的移动荷载是 ( )。
①  动力学荷载
②  作用点变化、作用方向和量值均不变的静力荷载P=1
③  运动机械的荷载
④  作用方向和量值变化的荷载
【多选题】 结构面对斜坡稳定性的影响主要取决于结构面的()。
①  强度
②  密集程度
③  填充程度
④  展布范围
【单选题】 结构力学内力图中的内力符号表示方法是( )。
①  取杆轴线的一个正方向,将内力正号画在同侧
②  用正负符号在图中表示
③  弯矩图画在杆的受拉侧,剪力图、轴力图中用正负号表示
④  没有统一规定
随机题目
【单选题】 佝偻病的发生是由于缺乏(   ).
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②  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:宋体; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;}维生素B
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【单选题】 细菌性痢疾的传播途径是( )。
①  接触传播
②  飞沫传播
③  虫媒传播
④  饮食传播
【单选题】 下列哪种方式是幼儿老师与家长谈话交往时较好的方式( )。
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②  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:宋体; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;} 只是向家长报告孩子的优点,让家长高兴
③  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:宋体; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;} 对存在问题的孩子,向家长指出他们的教育观有问题
④  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:宋体; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;} 只是向家长谈幼儿的问题,要家长注意或配合教育孩子
【单选题】 麻疹的传播途径是( )。
①  接触传播
②  飞沫传播
③  虫媒传播
④  饮食传播
【单选题】 阳光中的紫外线照射到皮肤上可生成( )。
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【单选题】 假如小儿未见流鼻血,大便呈柏油样,则表明发生了( ),应立即就诊。
①  肛门裂
②  细菌性痢疾
③  肠套叠
④  消化道出血
【单选题】 属于虫媒传播的疾病是(   )。
①  百日咳
②  乙型肝炎
③  麻疹
④  流行性乙型脑炎
【单选题】 身高测量读数时,为保证测量准确,应测量()次,取相近2次的平均值,精确到0.1CM
①  1
②  2
③  3
④  4
【单选题】 引起“克汀病”的原因主要是( )。
①  缺乏矿物质碘
②  缺乏矿物质锌
③  缺乏维生素A
④  缺乏维生素C
【单选题】 与人的正常视觉有密切关系的维生素是(  )
①  维生素A
②  维生素B1
③  维生素C
④  维生素D