单项选择题


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 answers. You will hear each piece once only.
Questions 11-13 are based on the following talk. You now have 15 seconds to read Questions 11-13.
What does Laura say is most important about a bike

A.It must be the right height.
B.It must have several gears.
C.It must have good tires.
D.It must be the right weight.