根据这些数据,请你回答以下问题:
逃窜____(chuàn cuàn) 仿佛____(fú fó) (座 坐)____位
河堤____(dī tī) 泥泞____(nìn nìng) 元____(霄 宵)
磨坊____(fāng fáng) 倒____(dǎo dào)退 分____(辨 辫)
sun mountains birds river flowers what rainbow park clouds nice
This is a nature ____ .There is a ____ and some ____ in the sky.There are two ____ flying in the sky.Look! There is a beautiful ____ between the two ____ .There is a long ____ on the grass.There are some ____ on the grass. ____ a ____ picture it is!
水是一切生命体生存所必需的物质,为了人类和社会经济的可续发展,我们必须爱护水资源.请回答:
(1)水体污染的来源主要有有____ ;
(2)生活中你节约用水的一种方法是____ .