（1）When is World Car Free Day？
A.On September 22nd.
B.On September 2nd.
C.On September 12th.
（2）Where did World Car Free Day start？
A.In China.
B.In America.
C.In France.
（3）Why did people create World Car Free Day？
A.Because of the serious air pollution.
B.Because of the serious noise pollution.
C.Because of the serious air pollution and noise pollution.
（4）How will people go to work or school if they take part in the activity？
A.By bike，by bus or by car.
B.By bike，by car or on foot.
C.By bike，by bus or on foot.
（5）Which city is the first to take part in the activity in China？
A.Beijing.
B.Chengdu.
C.Shanghai.