听一段材料，回答下面几个小题。What’s the relationship between the two speakers?
A.Friends.
B.Shop assistant and customer.
C.Waitress and customer.What happened to the man’s records?
A.He lost them in Canada.
B.He sent them to his sister.
C.He broke them accidentally.How much is each of the record?
A.￡4.5.
B.￡1.5.
C.￡4.05.
What does the woman mean?
A The doctor has stopped seeing new patients.
B.The doctor’s clinic will be closed tomorrow.
C.The doctor’s schedule is filled tomorrow.
What does the woman mean?
A. She hasn’t heard from the professor in a week.
B. The class has extra time to complete the assignment.
C. She only just found out about the economics paper.
What does the man mean?
A. He didn’t know which hospital Bill was in.
B. He took Bill to the hospital.
C. He forgot to call the woman.
What do we learn about the woman from this conversation?
A. She plans to send out all the invitations.
B. She’s a new student.
C. She thinks the man is right.
听一段材料，回答下面几个小题。According to the passage,what were dogs trained for in the past?
A.For protection against other animals.
B.For protection against other dogs.
C.Just for fun.Why were dogs used for hunting?
A.Because they did not eat other animals.
B.Because they were useful for protection.
C.Because they always obeyed their masters.What is the most important reason for people in the city to keep dogs now?
A.For companionship.
B.For amusement.
C.For protection against robbery.