有个故事。一次,老师出示了一幅画,画上有个白发苍苍的老太太,正对着一座孤坟默默地流着泪,坟前还有一朵凋零了的红玫瑰。然后老师对大家说:“请给这幅画加个题目,看谁加得最好。” Have a story Once, the teacher showed a painting with a gray-haired old lady, silently shedding tears at a solitary grave with a withered red rose at the grave. Then the teacher said to everyone: “Please add a question to this picture to see who added the best.”