A:hung
B:hanged
C:hanging
D:being hung
已知函数f(x)=log2x,0<x<2cosπ2-π4x,2≤x≤10,若存在实数x1,x2,x3,x4满足x1<x2<x3<x4,且f(x1)=f(x2)=f(x3)=f(x4),则x1x2(x3﹣1)(x4﹣1)的取值范围是( )
过度放牧是使许多草场退化、沙化的主要原因.
Mike wants some ________ to eat.