static void Main(string[] args)
{
Clock clock = new Clock();
Sleeper sleeper1 = new Sleeper("小孟");
clock.Tick += new EventHandler(sleeper1.sleeping);
clock.Alarm += new EventHandler(sleeper1.alarmed);
clock.onTickComing("dddd");
clock.onAlarmComing("dddd");
Console.WriteLine("Hello World!");
}