Primary school English can cultivate a sense of language, understand common words, understand simple dialogues and write English in a standardized way. Junior high school English pays attention to the accumulation of common usage, and understanding sentence structure is helpful to remember and recite the text well. Grammatical structure of senior high school English is very important, especially reading and writing, so we should listen to some slightly difficult listening materials. Mathematics is a kind of thinking textbook, which is very important. It is important to understand the textbook and do appropriate exercises. Chinese is to accumulate memory and understand words.