（1）What is the speaker？
A.A writer.
B.A volunteer.
C.A reporter.
（2）What day is it today？
A.Thursday.
B.Saturday.
C.Sunday.
（3）What's the name of this activity？
A.Earth Hour.
B.CCTV News.
C.Around China.
（4）What are some young people in Hefei doing at the moment？
A.Talking with their friends.
B.Holding a party.
C.Taking a walk.
（5）Why do people in the cities do all these things？
A.Because they would like to show on TV.
B.Because they want to protect the environment.
C.Because they have new ways to enjoy themselves.