一篇英语短文,Do you have a mobile phone?Do you often send text mes

一篇英语短文,
Do you have a mobile phone?Do you often send text message(信息)to your friendsof family?If you keep sending text message over and over again,there may be something wrong with your fingers(手指).51 If you don’t,you may get hurt one day.Text messaging or “texting” is becoming popular.But,scientists have found out that texting can give us problems with fingers.Too much texting can make your fingers uncomfortable.When we press small buttons over and over again,we may have a disease(疾病)called RSI.RSI is short for Repetitive Strain Injury(重复性力损伤).Harriet Wilson is a doctor.She has many patients(病人)with RSI.52 If we spend more than 10-15 minutes every day,we could have such problems in the future.Mobile phones and the buttons are getting smaller and smaller,53 Texting with a smaller phone is worse than using a large phone with bigger buttons.54 It’s easy to type with a large one.
If you use a computer keyboard and play video games for long,you may have the same problem.More and more people can find themselves with RSI.A.It’s good idea to use a large phone.B.Everybody using the mobile phones should be careful.C.The buttons are getting closer together.D.She says we shpould check how much time we are spending in tying text messages.55.What does the writer want to tell us?A.He wants to ask us not to send text messages with mobile phones.B.He wants to ask us to use small mobile phones to send text messages.C.He wants to tell us some good ways to communicate with friends.D.He wants to tell us the damage(损害) of sending text messages too much