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| Do you have a mobile phone? Do you send messages to your friends and family? Text messaging or "texting" is becoming very popular. But scientists have 1 that texting can give us problems with 2 hands. Be careful! Too 3 texting can cause swelling in our thumbs. Our thumbs are not made for pushing small buttons. Over and over, scientists 4 this problem RSI. We spoke to a doctor called Harriet Wilson, who treats many 5 people with RSL. She says we need to see how much time we are spending in 6 text messages. If we are spending more than 10-15 minutes once, we could have problems in the future. As mobile phones 7 , they are getting smaller with buttons closer together. Texting with a 8 phone is worse than using a larger phone with bigger buttons. Using a computer keyboard and playing video games can 9 the same problem. So, more and more people could find themselves with RSI. Among them, most are university 10 and teenagers, as they do not know the 11 of spending so much time using computers, video games and mobile phones. 12 we don't do something about this, too many young people could grow up in terrible pain. | |||
| ( )1. A. invented ( )2. A. our ( )3. A. many ( )4. A. call ( )5. A. busy ( )6. A. writing ( )7. A. develop ( )8. A. busier ( )9. A. know ( )10. A. teachers ( )11. A. work ( )12. A. If | B. discovered B. their B. much B. make B. happy B. reading B. look B. larger B. look B. students B. problems B. And | C. said C. him C. long C. write C. sick C. typing C. show C. clever C. hear C. classmates C. risks C. But | D. known D. his D. short D. stand D. rich D. talking D. stay D. smaller D. cause D. friends D. time D. Of |
试题答案
1-6 B A B A C C 7-12 A D D B B A
