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With the development of technology, bicycle sharing comes into people’s lives. In big cities shared bikes like Mobike and ofo ________ more and more popular in the past two years. They bring great convenience for people traveling. You can find a bicycle ________ at anytime when you want to go out for a cycling. If you have a smart phone, what you do is to find the ________ shared bike, scan the QR code (扫描二维码) on the bike through the APP, and enjoy your trip. They can takeyou where the subway and the bus don’t go. And they ________ anywhere in public for the next user.

________, along with its fast development, there are some problems caused by bicycle sharing. Some people damage (毁坏) the QR code on the bike, ________use their own locks, which causes trouble to other users. What’s more, kids can open the lock and ride the bicycle ________. There’s no doubt that it is very dangerous.

________ bicycle sharing brings so many problems, it is really helpful to us as a high-tech product. So we should take a developing opinion about bicycle sharing. On the one hand, everyone should ________ public services. On the other hand, our government should regulate (规范) this market ________ good use of its advantages.