He suggests there as soon as possible.
A:get
B:to get
C:getting
D:gets
试估计75的大小范围是( )
已知A(x1,y1)是一次函数y=﹣x+b+1图象上一点,若x1<0,y1<0,则b的取值范围是( )
如图所示,手对桌子作用一个力F1,桌子也对手作用一个力F2,则下列说法正确的是( )