机器运转时进行检查、保养或做其他工作,人员误入危险区域或部位造成伤害属于违章
正确
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IfI_________Bush,I_________neverstartanywar.
Ifyougotoseethefilm“HarryPotterifwe_________aholidaytomorrow.”
WhenBobwokeuphefoundhimselfinhospital,buthedidnt__________.
若α1,α2,α3是Ax=b(b≠0)的线性无关解,证明α2-αl,α3-αl是对应齐次线性方程组Ax=0的线性无关解
—IsthereanythingelseIcandoforyou?
—______.