1.From the passage, we know that bicycling is becoming very_______.A.surprising B. exciting C. expensive 2.When you are riding your bicycle around your neighborhood, you may _______.A.pollute the environment around B.find something you didn’t noticeC.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 trainC.put it in your purse D.go on airline websites4.One of the benefits from bicycling is that______.A.you can fold the bicycle B.you will be friendly to othersC.you will be more relaxed D.you may get fatter and fatter5.Which 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.