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【多选题】
对全镇教师进行调查( )A.
全镇所有教师组成总体
B.
所有教师的全年工资总额是指标
C.
毎一个教师是总体单位
D.
所有教师的平均年收入是标志
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
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B.
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C.
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D.
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