根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。
Big schoolbags have been a serious problem for students 1 a long time. Maybe your schoolbags is too
2 to carry, and it troubles you a lot when you want to find a book out to read. Now an e-textbook will 3
you.
4 is said that e-textbooks are going to be used in Chinese middle schools. An e-textbook , in fact, is a
small computer. It is much lighter than a usual schoolbag and easy to carry. 5 it is as small as a book, it can
hold all the materials. The students can read the text page by page 6 the screen, 7 notes with the pointer
(屏写笔). And even "hand in" their 8 to their teachers by sending-emails.
Some people say e-textbooks are good, but some say they may be 9 for the students' eyes. 10 do you
think of it?
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.