（1）Where did Earth Hour first start？
A.In Australia.
B.In America.
C.In England.
（2）What time does Earth Hour usually start？
A.At 8：30 a.m.
B.At 8：00 p.m.
C.At 8：30 p.m.
（3）When is Earth Hour？
A.On the last Saturday of March.
B.On the last Sunday of March.
C.On the last Saturday of May.
（4）Who is the speaker going to join Earth Hour with？
A.Her friends.
B.Her family.
C.Her classmates.
（5）Who might the speaker be？
A.A teacher.
B.A student.
C.A parent.