提示:南宁已经逐渐发展成为一个国际化的城市,乱扔垃圾，乱停车辆,乱贴广告等行为危害城市环境.青少年应积极参与城市绿化、净化、美化的活动.
第一篇：
Naning is becoming an international city .And people also call Naning””Green City “But there are a lot of people dropping the litter on the ground everywhere,Putting up the ads everywhere,too.As a teenager,we should keep our envionment clean .We can help clean up the streets and plant the trees.When you see the litter on the ground,you should pick up the litter and so on .
I believe our city will be more beautiful.
