Lego bricks are children's favorite toys. This kind of plastic building block has bumps at one end and holes at the other end, and its shapes are 1300. Each shape basically has 12 different colors, mainly red, yellow, blue, white and green.
It relies on children's brains and hands-on, and can spell out endless shapes, which makes people fondle. It is called "magic plastic building block".
A. What is national education?
National education is also called public education. School education provided by the state to its citizens.
B. What do