填空题
.Nowadays, technology is developing at a high speed. It has a big influence on almost every aspect of our daily life,
1 , books that we have to read every day. Besides books in the traditional sense, we have e-books now. And ever since they were invented, e-books have become very popular among students. Some students are very much
2 e-books. They can read textbooks, novels and other kinds of articles with an e-book. Hence, many students say e-books may replace paper books one day. However,
3 tell us that this saying has
4 many students. E-books do have many advantages, but they also have disadvantages. They may do harm to our health. More students may become short-sighted.
5 , we should take action to solve this problem soon.