执法人员当场作出罚款50元的行政处罚决定，可以当场收缴罚款
更新时间:2024-11-24 05:41:56 1、正确错误
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设4阶矩阵A=(aij)不可逆，a12的代数余子式A12不等于0，为矩阵A的列向量组
Iwon't________thosechildrenmakinganoiseinmyhouse!
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
Becareful,_______you'llfalldown.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
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