2. Heart-to-heart method: It is a teaching method that teachers guide students to acquire knowledge through thinking activities such as analysis and judgment by oral question and answer according to students' existing knowledge and experience. Its advantage is that it can fully stimulate students' active thinking, promote students' independent thinking, play a positive role in the development of students' intelligence, and also help students to exercise and improve their language expression ability.
3. Discussion method: Under the guidance of teachers, students express their opinions and exchange views around a certain issue, and acquire knowledge through mutual inspiration, discussion and consultation. Its advantage is that students with similar age and development level discuss with each other, which is easy to stimulate interest and active thinking, help them listen, compare and think different opinions, and think independently on this basis, thus promoting the development of thinking ability.