請用適當?shù)脑~完成下面的短文，每個空只能填寫一個形式正確、意義相符的單詞。

Is your schoolbag too heavy to carry？The e?schoolbag will 1. a hand to you.

It's 2.that e?schoolbags are going to be brought into use in Chinese middle schools soon.It is 3. small computer for students.Heavy schoolbags have been a serious problem 4. them.But the e?schoolbag will change everything.It is 5. lighter than a usual schoolbag.What's more，it is as small as a usual book，6.it can hold all the things for study，including textbooks and exercise books.They can be made into chips ( 芯片) 7. are as small as a stamp.The students can read the text page by page and even send e?mails to teachers.All they have to do is 8.the right chip into the e?schoolbag and press a button.

Some say that e?textbooks can be 9. broken.Others say they are not good for 10.eyes because giving too much attention to them will be harmful to eyesight.But only time will tell.

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