精选优质文档-倾情为你奉上Part IIISection AWhen travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering about on a Thai island or admiring 赞赏的 / 仰慕的 the ruins of Angkor. Its hot so you grab a bottle of water from a local vendor. Its the safe thing to do, right? The bottle is sealed封住 , and the label says “pure water”. But maybe whats inside is not so natural天性的 / 自然的 . Would you still be drinking it if you knew that more
