La la la! I heard that I have a holiday recently! Happy!

What is the most wanted thing for a primary school student during the winter vacation!

However, children, homework is not you can not write without writing!

Because

The homework is there, no increase!

Starting school teacher, just stand there, not angry!

Smart children will still choose to write, right?

Won a certificate

What is the certificate?

It is honor!

wrong!

The certificate is paper !

If you get a certificate, you have to write your homework!

What is the homework!

It is a mission!

wrong,

It is paper !

The main types of fillers used in papermaking in China

There are talcum powder, porcelain clay, calcium carbonate, etc.

This baby has to write homework!

What is used for writing a job?

By hand. . .

Use the pen!

With a pencil! !

Preparation of pencil lead

How to put the pencil lead into the pen holder?

What is inside the plasticine?

Hey, there is such a big learning in the game, there is a gold house in the book, I still learn to go!