TT GWD 1-17，1-30

Ailsa灵幽幽

以下是引用Paulin在2007/10/7 5:02:00的发言：

Q16:

If J, S, and V are points on the number line, what is the distance between S and V?

(1)     The distance between J and S is 20.

(2)     The distance between J and V is 25.

                  

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.

Answer: C------------E

因为题目中没有明确告诉你这三个点的位置呀。。。 不知道这三个点谁在左谁在右谁在中间，就有很多不确定的