You will hear three dialogues or monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to read your answer. You will hear each piece once only. Questions 11-13 are based on the following talk about the Space Shuttle Columbia. You now have 15 seconds to read Questions 11-13. Which of the following is not true of the Space Shuttle Columbia

A. It was the first rocket ever made in history.
B. It did the first flight in 1981.
C. Its first flight was of great importance in the development of space exploration.
D. It can only stay in space for about a week now.