前几天,刘老师带我们去考察家乡的环境保护情况。临出发前,我们都忐忑不安,前几年家乡的环境情况很糟,人们没有环保观念,生活垃圾随处堆放,街道上四处是纸屑和痰渍;人们在小河上游非法开沙厂,弄得小河的水十分浑浊;人们偷砍树木做燃料,可是却很少栽树,山上的绿色越来越少……“出发!”刘老师的话打断了我的思绪,我们排着队向前走去。我们来到公路上,哇, A few days ago, teacher Liu took us to examine the environmental protection in his hometown. Before the departure, we are uneasy. A few years ago, the environment in our hometown was terrible. People did not have the concept of environmental protection. Living garbage was scattered everywhere. There were confetti and phlegm stains on the streets. People illegally opened up small streams in the upper reaches of the stream. The water is very muddy; people cut trees to make fuel, but rarely planted trees, the mountains less and less green ... “departure! ” Liu interrupted my thoughts, then we lined up forward Go. We came to the road, wow,