'Civilized habits are the second face of someone.' This sentence helps express the importance of good habits. As a middle school student, we (改：I) should be polite and helpful.（段评：本段作为说明文的开头,引用名言点明文明习惯的重要性,引出主题明确！但存在主谓不一致的问题:'As a middle school student,we should...'中主语student是单数,we是复数,应保持一致。另外,词汇可以更丰富些,如用'emphasize'替换'help express',使表达更精准。修改版：'Civilized habits are the second face of someone.' This sentence emphasizes the importance of good habits. As middle school students,we should be polite and helpful.）

Being a civilized student is a treasure not only for ourselves but also for others. If everyone is civilized, we will live in a better life (改：live a better life) . And that also represents the good society (改：a good society) .（段评：本段阐述了文明的意义,观点积极！但存在中式表达问题:'live in a better life'不符合英语习惯,应改为'live a better life'；'represents the good society'表达不够具体,可改为'reflects a harmonious society'使意思更明确。修改版：Being a civilized student is a treasure not only for ourselves but also for others. If everyone is civilized,we will live a better life. And that also reflects a harmonious society.）

To be civilized, we should start with the small things around ourselves (改：us) . First, it is meaningful to give our seats on the bus to the old people. Second, we can help our classmates with their problems. Through this, not only them (改：they) but also us (改：we) can harvest knowledge. Third, never tell lies. And don't say a bad word (改：bad words) behind somebody. Then more and more students will praise you and make friends with you.（段评：本段列举了具体做法,内容充实！但存在代词指代不清的问题:'Through this'中this指代不明,可改为'Through helping them'；'never tell lies'和'don't say a bad word'句式不够统一,可调整为'Never tell lies or speak ill of others behind their backs'使表达更连贯。修改版：To be civilized,we should start with small things around us. First,it is meaningful to give our seats on the bus to the elderly. Second,we can help our classmates with their problems. Through helping them,both they and we can gain knowledge. Third,never tell lies or speak ill of others behind their backs. Then more and more students will praise you and make friends with you.）

Being civilized is important for us. Let's take actions (改：take action) at present!（段评：本段作为结尾,总结主题并发出呼吁,简洁有力！但可以增加过渡词使表达更自然,如'All in all',同时'let's take actions at present'可改为'let's take action right now'更符合英语习惯。修改版：All in all,being civilized is important for us. Let's take action right now!）