由于幼儿的肌肉中水分多，蛋白质及糖原少，不适合他们的运动项目是( )。

【单选题】【消耗次数：1】

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【单选题】 Calibri,sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">SolidWorksmso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">的工程图文件由相对独立的两部分组成，即（minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">）和（minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">）。

① mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>图纸格式文件和工程图内容

② mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>工程图模板和图纸格式

③ mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA>零件图和装配体

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【判断题】 mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">选择minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">SolidWorks Motion12.0pt;font-family:宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">工具栏中的【动画向导】可以生成旋转动画和装配体爆炸动画。

① 正确

② 错误

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【单选题】 mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">重合断面图应画在

① 视图的轮廓线以外

② 剖切位置线的延长线上

③ 视图轮廓线以内

④ 按投影关系配置

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① 尺寸分析

② 线型分析

③ 视图选择

④ 形体分析

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① 间距可不一致

② 无要求

③ 必须方向一致

④ 方向必须一致并要间隔相同

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① 投射方向

② 名称

③ 投射方向和相应字母

④ 不标注

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① 所有螺纹只需标出相应标准所规定的螺纹代号

② 所有螺纹的公称直径前面必须加上“M”符号

③ 牙型、大径及螺距都符合标准，但极限偏差不符合标准的螺纹，除应注明代号外，还应注出极限尺寸

④ 只要牙型、公称直径、螺距三者都一致，一对内外螺纹才能旋合

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① 正确

② 错误

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【单选题】 mso-ascii-font-family:Times New Romanmso-bidi-font-family:Times New Romanmso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">下列几组溶液具有缓冲作用的是宋体;mso-hansi-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">( )

① H2O——NaAc

② HCl——NaCl

③ NaOH——Na2SO4

④ NaHCO3——Na2CO3

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【判断题】 mso-ascii-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family: 宋体;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">通过对组合体尺寸的分析，把组合体三视图尺寸分为定形尺寸、定位尺寸和总体尺寸

① 正确

② 错误

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【单选题】 mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi; color:#333333;background:white;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">方案流程图font-family:宋体;mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi; background:white;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">不包括的内容是

① 必要的尺寸标注

② 设备示意图

③ 流程管线及流向箭头

④ 必要文字注解

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随机题目

【单选题】在下面的叙述中，正确的是？

① 引入线程后，处理机只在线程间切换

② 引入线程后，处理机仍在进程间切换

③ 线程的切换，不会引起进程的切换

④ 线程的切换，可能引起进程的切换

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【单选题】下列有可能导致一个进程从运行变为就绪的事件是？

① 一次I/O操作结束

② 运行进程需作I/O操作

③ 运行进程结束

④ 出现了比现运行进程优先权更高的进程

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【单选题】一个进程被唤醒意味着下列哪种情况？

① 该进程重新占有了cpu

② 进程状态变为就绪

③ 它的优先权变为最大

④ 其pcb移至就绪队列的队首

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【单选题】一个进程释放一种资源将有可能导致一个或几个进程的状态如何变化？

① 由就绪变运行

② 由运行变就绪

③ 由阻塞变运行

④ 由阻塞变就绪

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【单选题】在一段时间内，只允许一个进程访问的资源称做什么？

① 共享资源

② 独占临源

③ 临界资源

④ 共享区

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【判断题】动态资源分配不会产生死锁

① 正确

② 错误

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【判断题】描述各类资源的最小分配单位的数据结构称为资源信息块

① 正确

② 错误

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【判断题】为最大限度利用系统资源，应采用动态分配的策略

① 正确

② 错误

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【判断题】优先调度策略可以使用多队列来实现

① 正确

② 错误

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【判断题】任一用户对任一文件的存取都要经过存取控制验证模块的检查

① 正确

② 错误

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