Question Preview
12 questionstrue_false_questionVerified
1.2 三分法原则：把一张幻灯片分成三部分，把重点放在交叉点上，吸引观众。
7 months agoView Solution →
Log in to view
Log in to view
View all 12 questions
Sign up for free to access the full question bank and detailed solutions
Log in to view
Log in to view
Sign up for free to access the full question bank and detailed solutions