【文题展示】阅读下面的材料,根据要求作文。一个刚上车的小男孩请公交司机等一等他妈妈。过了一分钟,孩子妈妈还没到,车上乘客开始埋怨,说母子俩耽误了大家的时间。这时,那位腿有残疾的母亲一瘸一拐地上了车,所有人都沉默了。要求:①结合材料的内容和含意,选准角度,明确立意;②自拟标题,自选文体(诗歌除外),不少于800字;③不得套作,不得抄袭。 [Title display] read the following materials, according to the requirements of writing. A young boy who just got on the bus asked the bus driver to wait for his mother. After a minute, the child's mother has not arrived yet, and the passenger in the car begins to complain that the mother and child have delayed everyone's time. At this moment, the disabled legged mother limped into the car, and everyone was silent. Requirements: ① combined with the content and meaning of the material, select the angle of view, clear conception; ② self-selected style, the choice of style (except poetry), not less than 800 words; ③ may not be intercalated, may not plagiarism.