题目

人类的生产生活离不开金属,下列三种金属使用的先后顺序依次为:铜、铁、铝。 (15)                                                                                                                                                                                                                                                   一场足球赛共11轮(即每队均赛11场),胜一场记2分,平一场记1分,负一场记0分.我校队所负场数是所胜场数的12,结果共得14分,则我校队共平______场.
化学 试题推荐