第一時(shí)間發(fā)四級考試仔細(xì)閱讀答案
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
