72. 你校将举办英语演讲比赛。请你以 Be smart online learners 为题写一篇发言稿参赛，内容
包括：
1. 分析优势与不足；
2. 提出学习建议。
注意：
1. 词数 100 左右;
2. 题目和首句已为你写好。
one possible version: Be smart online learners Network learning has increasingly become an important means for people to acquire knowledge and solve problems.But being smart online learners has its advantages and disadvantages. First of all, as smart online learners, we can make full use of the most extensive educational resources to broaden the horizon. Besides, We can take the initiative in our study by ourselves without time and space limit. Of course, these disadvantages are as follows.Faced with all kinds of information on the internet, We can't tell the difference between the true and the false, which may be harmful to our study and life. On the other hand, online learning itself has some imperfections, making it difficult for us not to be affected. In conclusion , we should have a good understanding of its advantages and disadvantages and find a proper way to make our study more efficient.