24、2006年河北省课程改革实验区

Big schoolbags have been a serious problem for students for a long time. Maybe your schoolbag is too 1 to carry, and it troubles you a lot 2 you want to find a book out to read, Now an e-textbook will 3 you.

It is said that e-textbooks are going to be 4 in Chinese middle schools. An e-textbook, in fact, is a small 5 for students. It is much 6 than a usual schoolbag and easy to carry. Though it is as small as a book, it can 7 all the materials（材料）for study. The students can read the text page by page on the 8, take notes with the pointer（屏写笔）.Or even “9”their homework to their teachers by sending e-mails. All they have to do is to press a button.

Some people say e-textbooks are good. but some say they may be 10 for the students’ eyes. What do you think of it?

1. A. light B. heavy C. useful D. comfortable

2. A. till B. after C. before D. when

3. A. trouble B. prevent C. help D. understand

4. A. used B. kept C. invented D. lent

5. A. TV B. radio C. pen D. computer

6. A. heavier B. lighter C. cheaper D. brighter

7. A. hold B. build C. discover D. practise

8. A. blackboard B. desk C. screen D. card

9. A. find out B. hand in C. get back D. give back

10. A. helpful B. famous C. good D. bad