Don't _____________ too late, or you will feel tired in class.
A:stay up
B:make up
C:set up
D:show up
下列说法中正确的是( ).
若正比例函数y=(1-2m)x的图象经过点A(x1,y1)和点B(x2,y2),当x1<x2时,y1>y2,则m的取值范围是( )