More and more people like bicycling．It is fun，healthy and good for the environment．Maybe that's why there are 1.4billion bicycles and only 400million cars on roads worldwide today．Bikes can take you almost anywhere，and there is no oil cost!

Get on a bicycle and ride around your neighborhood．You may discover 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 enjoyable exercise without polluting the environment．You don't even have to ride all the way．

Folding bikes work well for people who ride the train．Just fold the bike and take it with you．You can do the same on an airplane．A folding bike can be packed in a suitcase．You can also take a common bike with you when you fly．But be sure to look for information by getting on airline websites．Not all airlines are bicycle-friendly to travelers．

Health Benefits of Bicycling：

●It helps to prevent heart diseases．

●Bicycling helps to control your weight．

A 15-minute bike ride to and from work three times a week burns off five kilos of fat in a year．

●Bicycling can improve your mood （心情）．

Exercise like bicycling has been shown to make people feel better，more relaxed and self-confident．

●Bicycling is healthier than driving．

76．Which of the following is true according to Paragraph 1？___

A．Bicycling is becoming more and more popular．

B．There are more cars than bikes on roads worldwide．

C．People are not able to go anywhere by bike．

D．Bicycling is healthy but it costs much money．

77．When you are riding your bicycle around your neighborhood，you may___．

A．pollute the environment around

B．find something you didn't notice before

C．go everywhere and use lots of oil

D．get off your bike and begin to work

78．According to Paragraph 3，you should get on a