GWD题目~求解 求解~

shinesalvation

k=n/3,n不是3的倍数的情况下，即使是整数，k也不是整数。

If n = 3k, is k an integer?

(1)      n is an integer.
(2)      n/6 is an integer.
       
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.


答案是B 为什么不是D？~

-- by 会员 白菜白菜 (2012/8/6 14:24:38)