一天上课,张老师满面春风地快步走上讲台说:“同学们,我们今天在黑板这块黑土地上种上‘鲜花’。”“黑板怎么成了‘黑土地’?又怎么种花?”台下同学纷纷议论起来。张老师示意大家安静,并在黑板上写了两行字:“百花盛开万里香———‘花’字组词大比拼。”还讲了比赛规则:用“? One class a day, Teacher Zhang briskly walked onto the podium, said: “Classmates, today we planted 'flowers' on this black land of the blackboard.” “How did the blackboard become a 'black land?' Under the students have talked about. Teacher Zhang said everyone quiet, and wrote a two-line word on the blackboard: ”Flower bloom Wanli Xiang --- 'Flower' word group competition.“ Also talk about the rules of the game: ”?