题目内容
语法填空（用所给单词的适当形式填空，未提供单词的限填一词）
It was reported about ten years ago that mobile phones would be the cigarettes of the 1. (twenty-one) century. That is TRUE! It 2. (seem) that the use of mobile phones for some people is almost as addictive（上瘾的） 3. cigarettes. Many users keep them 4. (work) for hours a day. Many people use them not only 5. (talk) with people, send and receive messages, but also play games, take photos or even get on the Internet to read news. They say they can't live 6. them. But this is not a little thing. In fact too much use of mobile phones may cause 7.（ill）, and many people have got headache by 8. (use) mobile phones too much. Now in other 9. (country), mobile phones carry a health warning on the back just like 10. cigarette packets do.
