听一段材料，回答下面几个小题。Why are some experts strongly encouraging arm exercises?
A. Because our arms are often too fat.
B. Because our arms are often too soft.
C. Because arm exercises can build up our health.What will happen to your blood pressure when you do arm exercises?
A. Decrease.
B. Increase.
C. Keep normal.What should be done to match the arm exercises?
A. Leg exercises.
B. Cycling.
C. Waist exercises.
听一段材料，回答下面几个小题。Why does the woman invite the man to attend the discussion?
A. Because he is free most of the time.
B. Because he is easy to get along with.
C. Because he knows a lot about pop music.Why does the woman invite the man to attend the discussion?
A. Because he is free most of the time.
B. Because he is easy to get along with.
C. Because he knows a lot about pop music.
听一段材料，回答下面几个小题。What was Paul concerned about?
A. His professor.
B. His final exam.
C. His physics grades.Why did the woman tell Paul not to worry?
A. The average is important.
B. Chemistry is not his major.
C. He needs to concentrate on physics.What did the woman suggest doing?
A. Studying harder.
B. Going for a coffee.
C. Repeating the class.
听一段材料，回答下面几个小题。What is the man doing?
A. Offering help.
B. Giving advice.
C. Making appointments.What is the relationship between the two speakers?
A. Doctor and patient.
B. Husband and wife.
C. Classmates.
听一段材料，回答下面几个小题。Who is the woman?
A. A candidate.
B. A radio announcer.
C. A campaign manager.Where will they put the posters?
A. In the hallways.
B. In the classrooms.
C. In the cafeteria.What will the man do tonight?
A. Make posters.
B. Write a speech.
C. Answer questions.
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