题目

We may all have had the embarrassing moment：Getting half­way through a story only to realize that we've told this exact tale before to the same  person. Why do  we  make  such  memory mistakes? According to the research published in Psychological Science, it may have to do with the way our brains process different types of memory. Researchers Nigel Gopie, of the Rotman Research Institute in Toronto, and Colin Macleod, of the University of Waterloo, divided memory into two kinds. The first was source memory，or the ability to keep track of where information is coming from. The 下列说法错误的是 [　　] A． 蒸馏常用于分离、提纯液态有机物 B． 在苯甲酸的重结晶实验中，结晶的温度越低越好 C． 蒸馏时温度计的水银球应在蒸馏烧瓶支管口处 D． 萃取得到液体仍然是混合物