Why is the man calling?
A.To change his appointment.
B.To speak to Dr.Zane.
C.To see the woman.
听一段材料，回答下面几个小题。What would Americans do if you keep silent for a long time?
A. They would do their best to include you in the conversation.
B. They would stop the conversation.
C. They would be very angry.Would Americans argue with you if they disagree with you?
A. Yes, they may.
B. No. They may remain quiet.
C. We don't know.Which of the following is TRUE according to the passage?
A. Americans like to stand close to one another in a conversation.
B. Americans regard making gestures in a conversation as being impolite.
C. It is right for Americans to pat a child's head to show their love for the child.
听一段材料，回答下面几个小题。What is the main purpose of this talk?
A. To advertise a computer learning school.
B. To explain the importance of the computer.
C. To describe how to program computers.What do we know about most of the listeners?
A. They are out of work.
B. They are doctors and lawyers.
C. They are not satisfied with their present jobs.What is one of the advantages of computer programmers?
A. They can win people's respect.
B. They can work in good condition.
C. They can receive fine training.What is the most attractive to the listeners?
A. Offering job opportunities.
B. Training them at night.
C. Protecting their belongings.
听一段材料，回答下面几个小题。What is the purpose of the speech?
A. Stressing physical exercise.
B. Offering some advice on sleeping problems.
C. Telling people how to exercise.Which of the following can cause sleeplessness?
A. Too much exercise in the evening.
B. Lack of sleep on weekends.
C. Eating cheese before going to bed.What can we learn about sleeping pills?
A. It'll help relax.
B. It prevents sleeping.
C. It's useless for sleeplessness.
听一段材料，回答下面几个小题。What's the passage mainly about?
A. Health means the absence of illness.
B. Different meanings of the term "health".
C. People's wish of a long and healthy life.What do people nowadays think most of?
A. Medical advance.
B. Absence of disease.
C. Quality of life.What can you infer from the passage?
A. Those who never fall ill are the truly healthy people.
B. The quality of people's lives improved greatly in the 20th century.
C. Nowadays health also means the improvement of the quality of food.
听一段材料，回答下面几个小题。What kind of passage have you just heard?
A. A public lecture.
B. A radio announcement.
C. A government statement.What is the main purpose of the event?
A. To increase people's sense of environmental protection.
B. To invite people to join an environmental organization.
C. To persuade families to have an outing in the mountains.How many trees are going to be planted today?
A. 700.
B. 2000.
C. 4000.What does the speaker advise volunteers to do?
A. To learn some tree-planting skills.
B. To come along any time they like.
C. To bring along their gloves.