题目内容
将ADC1通道5的输入引脚，采样绿色LED的电压值，可测出高电平为（）V，低电平为（）V。（由于测量值由一定的变动，故四舍五入后保留小数点后2位有效数字）
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班级是学校中开展各类活动的最基本的基层行政组织。()
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宽松的营运资本持有政策特点是( )。
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