Question

A，B，C，D，E，F(xiàn)六個(gè)足球隊(duì)進(jìn)行單循環(huán)賽，當(dāng)比賽進(jìn)行到某一天時(shí)，統(tǒng)計(jì)出A，B，C，D，E五隊(duì)已分別比賽了5，4，3，2，1場(chǎng)球，由此可知，還沒有與B隊(duì)比賽的球隊(duì)是[    ]

A．C隊(duì)    B．D隊(duì).  C．E隊(duì) D．F隊(duì)

             

Answer 1

每個(gè)隊(duì)分別與其它隊(duì)比賽一場(chǎng)，最多賽5場(chǎng)，A隊(duì)已經(jīng)賽完5場(chǎng)，則每個(gè)隊(duì)均與A隊(duì)賽過，E隊(duì)僅賽一場(chǎng)(即與A隊(duì)賽過)，所以E隊(duì)還沒有與B隊(duì)賽過．選(C)．