The above passage means that history is already included in the Chinese language, and there is no need to take history as the main subject.
Speak English again, a country is in the world. It is necessary to deal with other countries and understand their culture. The best way to understand other countries' cultures is to learn their languages. English is an international language, which is mastered by most people on earth. Therefore, good English ability is the key to communicate with the outside world. The history of our country tells us profoundly that we should not close our doors, but communicate with other countries in the world, otherwise even the most advanced culture will fall behind. Therefore, learning English is not only necessary, but also urgent. So many kindergartens are bilingual now, and a foreign language can no longer meet the needs of modern society.
Needless to say, mathematics, if you don't learn mathematics, you can't even do basic life, such as shopping and people who can't count money. How can they participate in the current social competition?