一次函数y=(m﹣3)x﹣m的图象经过一、二、四象限,则m的取值范围是( )
A:m<0
B:m<3
C:0<m<3
D:m>0
如图,五边形ABCDE为正五边形,以下结论正确的是( )
─ Tom Cruise will come to China for his new film Mission Impossible 5.
─ great surprise he gave his fans!
小明同学用已经调节好的天平测量物体的质量,操作情况如图所示,它的错误有