【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
57)A) A persons hair may reveal where they have lunch
58)B) Food and drink leave traces in ones body tissues
59)D) The water it delivers becomes slighter when it moves inland
60)C) A map showing the regional differences of tap water
61)D) It helps police narrow down possibilities in detective work
