听材料,回答问题。
(1)
What does the speaker tell us about the Tracker Star Watching Center?
A . It opens all day.
B . Its ticket is free.
C . It's a public museum.
(2)
What do visitors do first during evening sessions?
A . Learn about the Center and its programs.
B . Listen to lectures from the expert staff.
C . Watch the sky outside the Center.
(3)
What should visitors prepare for watching the stars there?
A . Telescopes.
B . Guide books.
C . Warm clothes.
答案: B
A
C