课堂中的Scratch

Scratch 能做什么...........................................................................................1 \n
顺序执行....................................................................................................... 11 \n
重复执行及条件语句...................................................................................16 \n
消息传递....................................................................................................... 22 \n
计分器............................................................................................................29 \n
音. 乐............................................................................................................33 \n
正确的点名方式...........................................................................................38 \n
倒计时器........................................................................................................43 \n
动画制作........................................................................................................51 \n
自动抽题机器人...........................................................................................57 \n
随机分组软件...............................................................................................65 \n
课堂气氛管理...............................................................................................73 \n
心情交换机.................................................................................................. 82 \n
奖励管理........................................................................................................89 \n
结业复习—编码解谜大作战..................................................................98