（1）When is World Car Free Day？
A.May 23.
B.September 22.
C.October 24.
（2）Why did people start World Car Free Day？
A.To show different kinds of cars.
B.To take cars off the streets for a day.
C.To ask people to go to work by car.
（3）What do people want to find out on World Car Free Day？
A.How many people agree to give up their cars.
B.Who are interested in protecting the cities.
C.What cities are like if there are fewer cars.
（4）Where was the first national celebration held？
A.In America.
B.In Britain.
C.In Australia.
（5）What is the different opinion about the day？
A.People needn't learn to live without cars.
B.People are too busy to join the celebrations.
C.One day can't make a difference to a year.