9．How often do you use your car？Can you use your car less often？Do you know the following facts in the UK？
•About 50% of all car journeys are just for fun．
•Over 80% people go to work by car．
•25% car journeys are under two miles．
•70% car journeys are under five miles．
WALKING & CYCLING
Instead of using the car for short journeys，why not walk or ride a bicycle？Walking is the most popular form of exercise-it's healthy and it can save money．If you work nearby，try walking or cycling instead of driving．Walking your children to school gives them valuable road experience．
BUSES
Bus companies are using new buses：some run on new fuels which produce less pollution； some have easier access（通路）for disabled and old people．There are special traffic lanes （行车道） to make bus journeys easier．So do something to help solve the pollution problem-let the bus take you to work and your children to school．
TRAINS
All car journeys，long or short，can be hard work．For some trips，it is wiser to take the train．Leave your car at home and walk，cycle or take a bus to and from the station．Train travel is fast，safe and comfortable．Train tickets are not always expensive．
29．How many of car journeys are just for fun in the UK？B
A.25%．
B．About 50%．
C.70%．
D．Over 80%．
30．The writer believes thatA can give children valuable road experience．
A．walking to school
B．traveling by train
C．taking new fuel buses
D．having car journeys for fun
31．What does the writer think of traveling by train？D
A．Tiring．
B．Exciting．
C．Terrible．
D．Comfortable．
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