9．More and more people like bicycling and it is no surprise．It is fun，healthy and good for the environment （环境）．Maybe that's why there are 1.4billion （十亿） bicycles and only 400million cars on roads all over the world today．Bikes can take you almost anywhere，and there is no oil （油） ost!
Get on a bicycle and ride around your neighborhood．You may find something new all around you．Stopping and getting off a bike is easier than stopping and getting out of your car．You can bike to work and benefit （受益） from the funny exercise without polluting （污染） the environment．
Health Benefits of Bicycling：
It helps you keep a good heart．
You aren't afraid of getting fatter and fatter any more．
A 15-minute bike ride to and from work three times a week can lose your five kilos of fat in a year．
Bicycling can also make you happy．Exercise like bicycling can make people feel better，more relaxed …
Bicycling is healthier than driving．
54．From the passage，we know that bicycling is becoming veryD．
A．surprisingB．excitingC．expensiveD．popular
55．When you are riding your bicycle around your neighbourhood，you mayB．
A．pollute the environment around B．find something you didn't notice before
C．go everywhere and use a little oil D．get off your bike and begin to work
56．One of the benefits from bcycling is thatC．
A．you can have a new bikeB．you will be friendly to others
C．you will be more relaxedD．you may get fatter and fatter
57．Which is TRUE according to the passage （根据短文）？A
A．Bicycling is enjoyable exercise for people．B．Bikes can take you anywhere．
C．Riding a bike pollutes your neighborhood．D．You will become fat if you ride every day．
