What’s good about shared bikes? First of all, it is more 环保__1______ than driving. It emits no harmful气体___2_____. Secondly, riding a shared bike is healthier than taking a bus. It’s actually a form of 身体 锻炼__3_______. Well, it’s like killing two birds with one stone. It meets two 目标___4_____: it is a method of transportation and also a method of exercise. Well said! Let me guess. Thirdly, it’s cheaper? I 听说__5____that one ride costs only 1 yuan or even less. I agree, it’s really cheaper to ride a shared bike than to buy a bike. If you 拥有___6___one, besides the money you spend on buying one, you have to pay for its maintenance[ˈmeɪntənəns]. Exactly. Finally, bike share programs really bring便利____7____ to people. Nowadays you can never失败 ___8____to find a shared bike in big cities after getting off the bus or the metro and it can carry you to wherever you want to go within short距离__9____. Very often, it’s faster than a bus due to堵车___10____.