Joke Collection Website - Cold jokes - What are the nursery rhymes related to "building a civilized city and being a moral person"?

What are the nursery rhymes related to "building a civilized city and being a moral person"?

There is black smoke in the factory, and

Little trees are cut down here.

We are small environmental guards,

planting a small tree,

picking up garbage,

persuading others and

being happy.

green light

Zhang Yu, class p>55

Children, good health.

When crossing the street, you should know:

When the red light stops, the green light goes,

Please get ready for the yellow light,

When crossing the street, you should take the zebra crossing,

The traffic rules should be.