1、第一个是黑板第二个是钟------------------The giant black and tall, Stands against the wall.When white snakes wriggle on, Their trails are shown to all.一个黑大汉，靠着墙壁站，白蛇身上游，脚印大家看。
2、Key: A blackboardThough I have neither legs nor feet, I go all day and all night; Although I cannot speak or laugh, I can tell what others want to know.没有腿，没有脚，一天到晚不停跑;不会说，不会笑，报告信息供参考。
3、Key: A watch。
