Question

已知x＞y＞z,且x+y+z=0,则下列不等式一定成立的是(    )

A.xy＞yz                           B.xz＞yz

C.zy＞xz                           D.x|y|＞z|y|

Answer 1

解析:∵x＞y＞z,x+y+z=0,∴x＞0,z＜0.又x＞y,则xz＜yz.

答案:C