话题：
目前，在各大城市里，自行车共享系统越来越受欢迎。大量的共享自行车不仅可以随时找到，而且租用价格低廉，越来越多的人选择骑车上班上学、游览观光，而非驾车出行，平时你会骑共享单车吗？对于共享单车掀起的热潮你有怎样的看法呢？
参考范文1
Presently, in big cities like Shanghai and Guangzhou, bicycle-sharing system has become increasingly popular. A large number of shared bikes can be found and rented at a low price.Moreover, you can park the bike almost anywhere you like. Urban transportation has thus been made much more convenient and even revolutionized.
However, along with its rapid development, bicycle-sharing system also brings some problems, including random parking, vandalism and possession of shared bikes, etc. To solve these problems, there are some measures for the authorities to take. Firstly, the government could implement more strict laws and rules to regulate the operation and management of bicycle-sharing system. Secondly, the public should raise their awareness of using shared bike reasonably.
Lastly, urban transportation system should be upgraded and improved to accommodate automobiles, bikes and pedestrians.
To conclude, a sensible attitude should be held toward bicycle-sharing program. Witheffective and efficient measures taken, and efforts made by those involved, it can be expected that bicycle-sharing system will play a contributive and constructive role in urban public transportation.
参考范文2
It has been billed as a hi-tech bike-sharing boom that entrepreneurs hope will make them rich while simultaneously transforming China's traffic-clogged cities.
But, occasionally, dreams can turn sour.
In the southern Chinese city of Shenzhen, more than 500 bicycles for hire have been found dumped in huge piles on the streets, according to reports.
City streets around the country have seen an explosion of the colourful bikes that users can rent on demand with a smartphone app and then park wherever they choose.
The sharing economy is taking off in China, where ride-sharing and Airbnb are increasingly commonplace.
From Shanghai to Sichuan province, bike-sharing schemes are being rolled out in an effort to slash congestion and air pollution by putting a country once known as the "Kingdom of Bicycles" back on two wheels.
Companies such as Ofo and Mobike, with their rival fleets of bumblebee yellow and fluorescent orange bikes, have been locked in a cut-throat battle for customers.
But problems have arisen when clients have abandoned their cycles.
"When they're done using (the bike) they just throw it away somewhere, because they've already paid."
Car use, meanwhile, has rocketed. In 2010 China overtook the US to become the world's largest car market, with 13.5m vehicles sold in just 12 months.
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