The following statement about teaching methods is wrong ().

Teaching method refers to the teaching method that teachers systematically impart knowledge to students through oral language, including telling, explaining and reading aloud. , mainly focusing on teachers' teaching, with errors. Demonstration method means that teachers conduct demonstration experiments or show various physical specimens, models, wall charts, and show slides, movies, televisions, videos and so on. Make students gain perceptual knowledge of things and their phenomena through observation. Item B is correct. When using the conversation method, teachers should do the following: ① make preparations according to the teaching content and the specific situation of students; ② The difficulty of the question should be moderate; (3) Pay attention to the ways and skills of asking questions, and encourage students to think positively and go deep at different levels; (4) the question should face the whole class and be good at summarizing, so that every student can get feedback, and item C is correct. When using practical teaching, teachers should do the following: ① put forward tasks, make clear the purpose and explain methods; ② The difficulty of the topic should be moderate; ③ Pay attention to cultivating students' abilities of self-examination, self-analysis and self-correction; ④ Appropriate individual guidance; ⑤ After the students finish the exercises, the teachers should carefully analyze and summarize, find the problems in time and solve them; 6. Pay attention to the diversification of exercise forms, and item D is correct.