Abstract

In recent years, due to the COVID-19 pandemic, online classes have become a common way for teachers and students to have lessons. In order to improve the learning efficiency of online courses, teachers can help students improve classroom efficiency and academic performance by changing different instructional methods. This paper first reviews the previous research on teacher presentation and compares and lists the differences between this experiment and the previous paper. This paper mainly explores whether using online learning tools before class can improve students' English scores through experiments. After the online class, interviews are conducted with the students to further demonstrate the questionable sections of the research.

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