1) 对比论证 Instead of merely presenting or stating the principles or formulas as the internet or TV does, teachers attach more importance to the explanations to make sure the students fully unde
rstand the knowledge and they can give students instructions based on face-to-face communication as well. 2) 分类论证 on the one hand, instead of just stating the principles or formulas, teachers attach more importance to the explanations to make sure the students fully understand the knowledge. On the other hand, they can adjust the courses according to feedbacks. homework or academic performance, for example, are good ways to achieve this . 因果论证 Students are likely to encounter difficulties or frustrations either in life or study, which may have negative effects on their study. Teachers, at this time, tend to play a role of friend and offer constructive advice. Thus they can help students better deal with the problems and focus on study.