你将听到一段对话和两篇短文,各听两遍。听每段对话或短文前,你将有时间阅读相关小题,每小题5秒钟；听完后,每小题你仍有5秒钟的时间选出你认为最合适的答案。
听第一段对话,回答第11-12小题。答题完毕,请等待"嘀"的信号,进入第一篇短文。
( ) 11. What's Bob doing now?
A. He is doing his homework. B. He is listening to music. C. He is watching TV.
( ) 12. Who is Mrs Smith?
A. Bob's mother. B. Bob's teacher. C. Bob's aunt.
听第一篇短文,回答第13-15小题。答题完毕,请等待"嘀"的信号,进入下一篇短文。
( ) 13. A. one B. two C. three
( ) 14. A. fishing B. walking C. swimming
( ) 15. A. ten B. twenty C. thirty
