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chris720916

Q36:

What is the sum of a certain pair of consecutive odd integers?

(1)       At least one of the integers is negative.

(2)       At least one of the integers is positive.

                  

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.

这题有点搞不清楚题目的叙述

请各位先进指导

 谢谢

michael_mei

选C。（1）和（2）联系起来表示这两个连续的奇整数为－1和＋1

jetking

以下是引用chris720916在2008-5-26 17:20:00的发言：

Q36:

What is the sum of a certain pair of consecutive odd integers?

(1)       At least one of the integers is negative.

(2)       At least one of the integers is positive.

                  

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.

这题有点搞不清楚题目的叙述

请各位先进指导

 谢谢

第一个条件，因为有可能两个都是负的，所以不知道和是多少；第二个条件有可能两个都是正的，因此也不知道和。

合并，知道一个正，一个负，所以加起来为零。