Nowadays, sending text messages is part of our lives. In fact, it affects our everyday lives. Text messages are even more popular than face-to-face conversations, telephone calls and other ways of communications. Why is sending text messages so popular? First of all, it’s much cheaper than making telephone calls. Secondly, it’s very convenient. You can send text messages whenever you want with your mobile phone. Another reason is that ……But there are some dos and don’ts of texting/sending text messages. Don’t send too many texts without having a rest! It’ll hurt your wrists. And don’t send text messages while you are walking or riding a bike. That’s dangerous.
本题是写一篇给定材料的书面表达，写作的话题为手机短信，写作的内容可包括手机短信的价值，手机短信的流行及其原因，使用手机发短信的注意事项等，在写作时应注意不同句式和结构的使用，同时应注意语言的准确性和先后的逻辑性。