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Libraries Public libraries  Most towns in Britain have a public library. A library usually has a large selection of books and other resources, which library members can use and borrow for free.Britain’s First Public Library  The first public library in Britain opened in Manchester in1852. It’s first librarian was a man called Edward Edwards, Edwards attended the library’s opening ceremony and two famous writers called Charles Dickens and William Thackeray were there too.How to Join aLibrary      To join a library, go to your local library and fill in a form. you’ll receive a li（8分）将质量相等的铁片和铜片用导线相连浸入500mL硫酸铜溶液中构成如图1的装置：（以下均假设反应过程中溶液体积不变）。⑴铁片上的电极反应式为 。⑵铜片周围溶液会出现 的现象。⑶若2 min后测得铁片和铜片之间的质量差为1．2g，计算：①导线中流过的电子的物质的量为 mo1；②该段时间内用硫酸铜表示的平均反应速率为