题目内容：

It is no surprise that more and more people like bicycling, because it is fun, healthy and good. Maybe that's why there are 1.4 billion bicycles and only 400 million 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 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 and control your weight.

A 15-minute bike ride three times a week burns off five kilos of fat a year.

Bicycling can improve your mood.

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

Bicycling is healthier than driving.

1.From the passage, we know that bicycling is becoming very _______.

A. surprising       B. exciting        C. expensive        D. popular

2.When you are riding your bicycle around your neighborhood, you may ______.

A. pollute the environment around      B. find something you didn't notice

C. go everywhere and use a little oil     D. get off your bike and begin to work

3.If you travel with a folding bike, you can fold it and _______.

A. get out of the car                  B. take it onto a train

C. put it in your purse                 D. go on airline websites

4.One of the benefits of bicycling is that ______.

A. you can fold the bicycle             B. you will be friendly to others

C. you will be more relaxed            D. you may get fatter and fatter

5.Which of the following is True according to the passage?

A. Bicycling is an enjoyable exercise for people.

B. Driving cars is healthier than riding bikes.

C. Riding a bike pollutes your neighborhood.

D. Common bikes are welcomed by all airlines.