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。When did the woman begin using her computer?
A. Last year.
B. This year.
C. In 1995.What does the woman use her computer to learn?
A. The Franch language.
B. Buying and selling stocks.
C. How to shop online.What do we know about the woman?
A. She has a very good knowledge of computers.
B. She does't know too much about computers.
C. She likes playing computer games best.What does the man probably do?
A. He's a software engineer in a computer company.
B. He is a clerk in a bank.
C. He's a market researcher of a company.
听一段材料，回答下面几个小题。What kind of car does the man want to buy?
A. Lincoln MS 560.
B. Lincoln MF 558.
C. Lincoln MF 650.What does the woman say about the sceond-hand car?
A. It's in good condition.
B. It's in poor condition.
C. It's expensive.How much does the man have to pay if he wants to get the car?
A. $3,500.
B. $3,015.
C. $3,050.
听一段材料，回答下面几个小题。Where does the man learn about the house?
A. From an advertisement.
B. From his friend.
C. From the owner.What can we learn from the conversation?
A. The man decides to buy the house.
B. The house is in South Florida Street.
C. The house suits the man's family.
听一段材料，回答下面几个小题。Where would the man prefer to live?
A. Near the university.
B. Near the train station.
C. Nowhere in the city.How many apartments is the man interested in?
A. 2.
B. 3.
C. 4.What should the man pay if he decides to rent an apartment?
A. The rent only and nothing else.
B. Some money for possible damage only.
C. The money for the rent and possible damage.
听一段材料，回答下面几个小题。What is the weather like now?
A. It is sunny.
B. It is cloudy.
C. It is rainy.Why do the speakers hope for sunny days?
A. They feel bored with the rain.
B. They can't do anything in the rain.
C. They are worrying about their vegetables.