植被的破坏容易引发泥石流，对于生活在平原地区的我们，也应为预防泥石流做出自己力所能及的贡献。下列行为有违此要求的是（  ）

    Every year there is a Spring Festival in China. Usually it is in January or February. It is the most important festival in China. So before it comes, everyone has to prepare things. They buy pork, beef, chicken, fruits and many other things. And they often make a special kind of food—“dumplings”. It means “come together”. On the day before the festival, parents buy new clothes for their children. Children also buy presents for their parents. On the Spring Festival Eve（除夕）, all the family members come back to their hometown. This is a happy moment. Some sing and dance，some play cards and others get the dinner ready. When they are having dinner, they give each other the best wishes for the coming year. They all have a good time.

如图为我国长江、黄河、珠江和塔里木河的流量年变化曲线图，读图完成问题．
 
甲、乙、丙、丁四条河流中，属于内流河的是（ ）