What is the probable relationship between the two speakers?
A. Old friends.
B. Workmates.
C. Teammates.
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.
听一段材料，回答下面几个小题。Where are the man and the woman going?
A.To the bus station.
B.To the police station.
C.To the railway station.What does the woman think they should do?
A.Take a taxi.
B.Walk slowly.
C.Leave the bags with the police.What does the man find out at last?
A.Fifteen minutes is too long.
B.The traffic is moving too slowly.
C.He is not able to carry two bags.
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