参考答案

听力：CCCAACACCCABABC.

16：basoball 17: Water sports 18: religions 19: advertisemonts

二、21-25: DAACC 26-30:CCADD 31-35: DCBDC

三、36-40:BABAD 41-45:BCCDC 46-47:DA 48:But 49: the 50: of 51: if

52: not 53: one 54: he 55: on

四、56-60: CCACA 61-65: BADDD

66-70: AACCC 71: in memory of 72: has had enough of 73: taking over 74: stand in his rath 75: educated

76:这就是为什么自古以来鸽子就被用来传递消息甚至邮件

77:挽救了许多战士的性命甚至帮助赢得一些战争的胜利

78：How do pigeons find ther way

79: Wow this compass works remains a mgstery

80: 与人类不同的是他们永远不迷路，总是可以找到回家的路。