实践 具有 客观物质性 、 社会历史性 、 能动性 的特点。
实践 是 认识的来源 、 认识发展的动力 、 认识的目的 、 检验认识的真理性的唯一标准 。
—翻译(Translation)—
Practice has characteristics of objective materiality , social history and initiative .
Practice is source of knowledge , power of development , purpose of knowledge and sole criterion for testing the truth of knowledge .

真棒， 语文课 啥都没听懂， 数学课 快的一批， 物理课 以为讲寒假作业，直接无视了， 英语课 讲单词，我听着像是 机器人 人的发音，然后就放弃了， 政治课 ，我最爱的政治课，结果被表弟打扰完了...
我妈说的没错， 这样子的网课，能有什么效率。
—翻译(Translation)—
Awesome, Chinese class didn't understand anything, Mathematics class are too fast, I thought the Physics class was about homework, and I ignored it directly, English lessons were teach words, I hear sounds like robots woman, and then I gave up, Politics class , my favorite is politics class, but my young cousin kept talking me...
My mother was right, Such a classroom is not efficient