题目

Everyone gathered around and Paddy read out loud, slowly, his tone growing sadder and sadder. The little headline said: BOXER  RECEIVES LIFE SENTENCE. Frank Cleary,aged 26,professional boxer. was today found guilty of the murder of Albert  Cumming , aged 32, laborer ,last July. The jury (陪审团)reached its decision after only ten minutes, recommending the most severe punishment the court could give out.It was, said the judge,a simple case. Cumming and Cleary had quarreled violently at the Harbour Hotel on July 23rd and police saw Cleary kicking at the head of the unconscious Cumming. Wh向一密闭容器内充入某混合气体．用电火花点燃，恰好能完全反应．此混合气体可能是由H2、CO、O2中的二种或三种混合而成．（1）若此混合气体由两种气体混合而成，则可能有以下二种情况：①由H2、O2混合而成，则H2分子与O2分子的个数之比为 ．②由CO、O2混合而成，则CO与O2分子的个数之比为 ．（2）若此混合气体肯定由32gO2和其它二种气体组成，试讨论：①若此混合气体总质量为62克，则H2、CO、O2三者的质量之比为： ．②若混合气体总质量不作规定，则H2、CO、O2三者的质量之比为： ．③在混合气体总质量不作规定且O2的质量为32克的情况下，混合气体中其它二种气体质量的取值范围为 ，CO与H2两者的质量之间的关系是 ．