注册领资料
Is │x - y│>│x - z│?
(1) │y│>│z│
(2) x < 0
A.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C.BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D.EACH statement ALONE is sufficient.
E.Statements (1) and (2) TOGETHER are NOT sufficient.
【申友解析】
正确答案:E
条件一和条件二单独来看,很明显不充分
(1)+(2),如果y=5,z=3 x=-1,那么│x - y│=6,│x - z│=4,那么不等式成立,但如果y=-5,则│x - y│=4,│x - z│= 4,那么等式不成立,所以无法判断,选E
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