What short poems advocate "speaking Mandarin and writing standard words"?

We all like learning Mandarin. ?

To be a China native, you must learn Mandarin well. That's great. Is a soul mate. ?

Everyone speaks Mandarin, and the four seas speak the same language. ?

Standardize the use of words, practice from an early age, set your mind and be quiet.

Read carefully, write carefully, have rhythm, and seek echo.

Pen spirit, emphasis on modeling, deep artistic conception and distinctive charm.

Both pleasing to the eye and pleasing to the eye, every painting is life.

Mandarin, a standardized word, is a great pleasure to rush to the society.

We are all chinese baby. We speak Mandarin as soon as we open our mouths, and we write standard words as soon as we start writing. Five thousand years of culture is shining.

Pingqiao, tell the difference, stranger, don't worry.

Mandarin, friendship bridge, all in your mouth and mine.