春秋时期晋文公制定的有关选贤任官的法律是
已知函数f(x)满足方程f(x)f(x)2f(x)0及()()2xfxfxe,(I)求f(x)的表达式 (II)求曲线220()()dxyfxftt的拐点.
Themanagergaveherhis_____thatthecomplaintwouldbeinvestigated.
Thelocaltextilemillhas800workers,_____700arewomen.
In1991，whilet11eeconomiesofindustrializedcountriesmetaneconomic_____，theeconomiesofdevelopingcountriesweregrowingveryfast．
