The use of PPT in the classroom is significant to improve the teaching effect of teachers. Because PPT can improve the interest of class through pictures and videos, so as to improve students' concentration in class. In addition, the traditional lecture may be affected by the words written by the teacher and the speed of speaking, which makes it difficult for many students to keep up with the pace of the teacher's class, but the words on the PPT can reduce this influence and make students understand the teacher's meaning<br>
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