Chinese is the mother of encyclopedias and the mother tongue of China people. As a language, China English is an indispensable basic communication tool in people's social life, the carrier of people's thoughts and wisdom, the mother of human emotions and the mother tongue of China people. As a language, China English is an indispensable basic communication tool in social life, a carrier of people's thoughts and wisdom, and a tool for human emotional communication. Of course it matters!

Mathematics is the mother of science and the basis of human rational thinking. As the basis of science, mathematical chemistry is the theoretical basis for human beings to transform the world and create a colorful material world. Without mathematics and physics, human beings may still stay in primitive society! This is very important. Traffic tools are of course important!

Mathematics is the mother of science and the basis of human rational thinking. As the basis of science, mathematical chemistry is the theoretical basis for human beings to transform the world and create a colorful material world. Without mathematics and physics, human beings may still stay in primitive society! This is very important.