Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag is too1 to carry, and it troubles you a lot 2 you want to find a book to read. Now e-textbooks will 3 you.
It is said that many Chinese middle schools are going to use e-textbooks. An e-textbook in fact, is a small 4 for students. It much lighter than a usual schoolbag and 5 to carry. Though it is as 6 as a book, it can hold(容纳) everything for study. The students can read the text page by page on the 7 take notes 8the pointer(屏写笔), or even "hand in" their9 to their teachers by sending emails
All they have to do is press a button.
Some people say e-textbooks are good, but some say they may be10 for the students' eyes. What do you think of them?