摘要：人们对健康越来越重视了.但我们的食品有很多不安全因素.很多蔬菜和水果都含有农药和化肥. 如果你是超市里“绿色蔬菜 柜台的促销员.请你向超市顾客介绍“绿色蔬菜 的特点.说明 “绿色蔬菜 对身体的好处. British public library are linked by computers. If your nearest library in London doesn't have the book you want ∕to﹨borrow it, the librarian will go on-line to see whether any other nearby library has(it). If no library in London have the book in store, the librarian will search it further, connecting libraries in other city like Manchester. If a copy of the book( is) found, arrangements will be made for it to be sent to your library within a day and two, and you will be able to check it out. It is also possibly for readers to borrow books from university and college libraries even if we are not students.

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