[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fT8n6m2gnn6Pmfex4uQ5AIVeQu99T0rY8lfZlCIrOZe0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-10 13:45:12",216935481,[8,9,10,11],"激光投影将画面更清晰明亮地展现出来","投影仪是简易多媒体教室的常见输出设备","智能投影新增了网线上网功能","投影仪不能接入音频信号",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},152,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","ecb3318789414d8c8ca2d55adee7493b","第四单元测验","以下关于投影仪的描述,不正确的说法是( )",[21,32,35,45,54,63,72,82,90,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],216935480,[25,26,27,28],"实物展台","投影仪","交互式电子白板","多媒体计算机","以下不属于简易多媒体环境设备的是?( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":37,"id":38,"options":39,"question":44,"source":30,"type":31},[],"2026-06-01 07:10:18",216935482,[40,41,42,43],"高保真音响系统播放各种声音","能演示各类多媒体教学课件,开展计算机辅助教学","多媒体教室需要兼顾计算机信号和视频信号等两种信号","简易多媒体教室一般是由中央控制器、多媒体计算机、视频展示台、投影仪、投影幕布和音响设备等组成","下列关于简易多媒体教室的不正确描述是",{"answer":46,"createTime":37,"id":47,"options":48,"question":53,"source":30,"type":31},[],216935483,[49,50,51,52],"不需要专业的触控笔","采用矩阵扫描的方式","支持手指的触控操作","支持手势识别","下列关于电磁感应技术电子白板的描述正确的是( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":30,"type":31},[],216935484,[58,59,60,61],"课堂互动反馈系统是一种促进班级成员有效反应与群体讨论并及时评价的教学辅助系统","课堂互动反馈系统实现了操作的交互,精彩地呈现了教学信息内容","课堂互动反馈系统的主要作用是集中学生注意力、因材施教、及时调整教学进度","课堂互动反馈系统的硬件部分主要包括一组应答器、一个反应信息接收器、计算机和投影仪等","以下关于课堂互动反馈系统的描述不正确的是( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":30,"type":31},[],216935485,[67,68,69,70],"示范功能","电子举手功能","监视功能","移动白板","下列哪项不属于网络教室的功能( )",{"answer":73,"createTime":74,"id":75,"options":76,"question":81,"source":30,"type":31},[],"2026-05-10 00:18:48",216935486,[77,78,79,80],"校园网络一般采用"主干加分支"的结构","校园网络是为师生提供教学、科研和综合信息服务的宽带多媒体网络","校园网络系统主要由服务器、工作站、网络互联设备、网络传输介质和网络软件等组成","校园网络系统的主要功能是信息发布和信息交流","下列关于网络教学环境的描述,不正确的是( )",{"answer":83,"createTime":37,"id":84,"options":85,"question":89,"source":30,"type":31},[],216935487,[86,87,28,88],"无线网络","中央控制器","移动设备","移动教学环境与网络教学环境最大的区别在于?( )",{"answer":91,"createTime":92,"id":93,"options":94,"question":99,"source":30,"type":31},[],"2026-05-25 18:32:14",216935488,[95,96,97,98],"聚光灯","神奇墨水","显露器","神秘通道","如果要构建一个探求未知的情境,通过逐渐显示遮盖的画面,让学生根据自己的知识猜测要展示的究竟是什么,可以使用电子白板的哪项功能( )",{"answer":101,"createTime":92,"id":102,"options":103,"question":104,"source":30,"type":31},[],216935489,[97,98,95,96],"交互式电子白板的软件中,透过上一层对象看到下一层的对象往往通过( )实现"]