一道DS，感觉答案错了，求证实

sophiagregmat · 发表于 2012-7-30 23:24:17

On the number line, the distance between point A and point C is 5 and the distance between point B and point C is 20. Does point C lie between point A and point B?

(1)The distance between point A and point B is 25.

(2)Point A lies to the left of point B.
答案选A,我选D,忧伤了~~~

朵朵?G · 发表于 2012-7-31 00:03:27

For the second statement, 如果C点在number line的最左端的（C点在A点左边）话， C点就可以能不在AB之间。如果C点在A点右边的话，C点就在AB之间了~~
所以是not sufficient吧~~~ 选A 我觉得是对的。。。

一道DS，感觉答案错了，求证实

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