The children start early in the morning ________ get to school on time because their school is far from their homes.
A:in order
B:in order to
C:in order that
D:so that
如图,已知⊙O的半径为10,弦AB=12,M是AB上任意一点,则线段OM的长可能是( )
关于x的不等式组 {2x<3(x−3)+13x+24>x+a 有四个整数解,则a的取值范围是( )