问题补充：
Do you have a mobile phone? Do you often send text messages（短信） to your friends or family? If you keep sending text messages over and over again, there may be something wrong with your fingers.【小题1】If you don’t, you may get injured 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 called RSI. RSI is short for Repetitive Strain Injury (重复性力损伤).
Harriet Wilson is a doctor. She has many patients with RSI.【小题2】If we spend more than 10 to 15 minutes every day, we could have such problems in the future.
Mobile phones are getting smaller and smaller. 【小题3】Texting with a smaller phone is worse than using a larger phone with bigger buttons. 【小题4】.
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. So it’s a good idea to use a larger phone.
B. Everybody using the mobile phones should be careful.
C. And the buttons are getting closer together.
D. It’s easy to find out that mobile phones have changed our life.
E. She says we should check how much time we are spending in typing text messages.
【小题5】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 tell 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（伤害） of sending text messages too much.B
答案：
(答案→)B
解析：这篇短文主要介绍了过度使用手机收发短信对我们的伤害。
【小题1】联系下文，如果你不，有一天你会收到伤害。可知选B，每个使用手机的人都应该加小心。
【小题2】联系上文，他有许多重复性力损伤病人。可知选E，她说我们应该检查一些我们花费在发短信上的时间有多少。
【小题3】联系前文，手机变得越来越小，可知选C，并且按键变得更加紧密。
【小题4】联系前一句描述，可知选A，因此使用大个的手机是个好主意。
【小题5】这篇短文主要介绍了过度使用手机收发短信对我们的伤害。故选D。
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