阅读短文，根据题目要求完成各小题．
Nowadays bike﹣sharing has been very popular in China．Mobike （摩拜单车） is one of the market leaders in the hike﹣sharing business．
What is Mobike？
Mobike was founded in January，2015．It is supported by Tencent （腾讯）．People in many cities，such as Beijing，Guangzhou，Jinan as well as Shanghai，have a chance of using the app （软件）．The total number of Mobike app users is larger than that of any other bike﹣sharing app users．
Who uses Mobike？
According to a survey，53.23% of the Mobike users are men，while 46.77% are women.73 Mobike is not only popular with young people，but also wins the hearts of the old． It shows that retired men traveled the longest distances （距离） by shared bikes．
Why do people use Mobike？
Chinese people use Mobike for different reasons．Users can rent （租借） a bike at a low price，usually about one yuan an hour．It also offers people a better choice for short journeys in cities，especially when people can't find a bus or the underground to take．What's more，it's helpful in traffic．And the most important is that it can help improve the environment．
