2009年6月英语四级仔细阅读答案(B卷) (恩波教育)

仔细阅读：

57）A) A person's hair may reveal where they have lunch
58）B) Food  and drink leave traces in one's 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