读三江源及长江三角洲地区示意图，结合下列材料回答问题．

三江源地区是我国重要的水源涵养基地，长江总水量的25%，黄河总水量的49%，澜沧江总水量的15%均来自这里，被誉为“中华水塔”．但近年来，由于过度放牧，乱采乱伐等不合理的人类活动，该地区出现了水土流失加剧，草地沙化严重等问题．对当地及河流中下游地区带来了重要的影响．

判断对错。

圆柱的体积大于圆锥的体积。

“李白乘舟将欲行，忽听扑通跳水声。一个猛子扎下去,捞起一看是汪伦”、“日照香炉烤鸭店，鸡鸭鱼肉在眼前。口水直流三千尺，摸摸口袋没带钱”， 面对这些“另类童谣”，许多家长感到担忧。启示我们：  (      )         

阅读理解
    Most of the people in China can have four seasons. However, people in South China have three seasons --- spring, summer and fall. They don't have winters. In north China, people have a cold, dry and windy winter. But people in Kunming only have one season --- spring. It's warm and rainy all the year. You can see green trees and beautiful flowers there. So “ Spring City ”is another name for Kunming.

孙东读了《宋书》中有关魏晋南北朝江南经济发展的概况后，写了一篇读书笔记，笔记中哪项描写不符合史实（    ）