(多选题)25: 理解发展是前进性和曲折性相统一的原理,应把握
A: 发展的总趋势是前进的、上升的
B: 发展的具体道路是迂回的、曲折的
C: 前进性包含着曲折性
D: 曲折性体现着前进性
E: 事物发展的前进性和曲折性相统一的过程永天终点,是无限发展的
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