【判断题】【消耗次数：1】
视频展示台的终端设备可以是投影机或电视机。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
下列使用投影机的不正确操作有（ ）
①
同时切断投影机电源和投影机灯泡的电源
②
投影机灯泡上的污迹可以用透镜纸擦拭
③
较长时间不使用投影机，应切断投影机电源
④
严禁搬动处于工作状态的投影机
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