Read the passage and then choose the best answer to each of the following questions. Have you rented a public bike today? Hangzhou Bus Group, is the organization that operates the Hangzhou public bicycle transportation system. 85 citizens have used the public bicycles over 600 times in the past year. They won't have to pay the 200-yuan deposit to use the bikes. The public bicycle system has been running since May 2008. It is cheap and convenient. There are more than 1, 600 public bicycle rental stations throughout the city, with more than 40,000 bicycles for citizens and visitors. To use the bikes, people will need to buy a stored value card at 20 Longxiang Qiao. They need to be older than 12 years old and need to show proper ID. The card should have 300 RMB on it. 200 of which is a deposit and the remaining 100 for rental fees. The bike is free for the first hour but costs 1 RMB an hour for the second hour, 2 RMB an hour for the third hour, and 3 RMB an hour after that. The public bicycles are used an average of 100,000 times a day, with a historical one-day high of 200,000. If a rented bike travels an average distance of 2 kilometers, 7,500 tons of oil would be saved and CO 2 emission would be reduced by 23, 897 tons in a year.