标题: 关于0是否是INTEGER 问题 [打印本页] 作者: KB2016 时间: 2016-2-1 23:49 标题: 关于0是否是INTEGER 问题 If n is an integer, is n+1 odd?
(1) n+2 is an even integer.
(2) n−1 is an odd integer.
平均正确率:100%
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.
我的答案 E 正确答案 D
请问若正确答案是D,怎么解释N=0这种情况，谢谢
作者: 吳縣大 时间: 2016-2-2 08:13
0 is an integer, period.
integers include negative integers, 0, and positive integers