增加：在缺词处加一个漏词符号（∧），并在其下面写出的加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均限一词：
2. 只允许修改10处，多者（从第11处起）不计分。
Online classes offer a solution on ensuring students’ academic progress. They broke the space limitation but protect us from the risk of infection. But the negative aspects are also apparent. Lack face-to-face communication, students poor at self-discipline are easy to be absent-minded than before. Besides, being exposed to the Internet environment have a bad effect on students’ health.
To cope with the problems, I set a schedule that I strictly stick to it. When in class, I concentrate on which teachers say and think actively in order not fall behind. During class breaks, I do indoor exercise and help with houseworks to keep fit.
增加：在缺词处加一个漏字符号（∧）,并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从第1处起）不计分。
Online learning provides a excellent choice for us students who are unable to attend classes during regularly hours. It meets your needs with a teacher on the scheduled time. Connecting the Internet, we can take online courses on equipments such as mobile phones. It is also of great use to those whom would like to take additional lessons. The distance education offer a platform of communication to both teachers and students participated in courses. Even if we don't have time to sit at a desk, and we can learn conveniently. When we had a problem, we can easily work it with the help of the teachers online.
