Ⅰ.阅读理解(共20小题；每小题2.5分，满分25分)
A
(2016·广东普宁华侨中学检测) In a great many cities, hundreds of people ride bikes to work every day. In New York, some bike riders have even formed a group called Bike for a Better City. They declare that if more people rode bikes to work, there would be fewer automobiles in the downtown part of the city and so less dirty air from car engines.
