There are many tall buildings in citys,there aren't so many in villages 高楼
There are many people in citys,there aren't so many in villages.人口
There are many rivers in villages,but there aren't so many in cities.河流
The air in cities are not fresh,but in village it is fresh.空气新鲜
The water in villages are clean,but not clean in cities.水干净
这就是你们五年级现在正在学的课文
