听一段材料，回答下面几个小题。Which can best describe a tension headache?
A. It occurs repeatedly.
B. It lasts over a month.
C. It causes severe pain.Which is a symptom of tension headaches?
A. Loss of consciousness.
B. Increased blood pressure.
C. A pain at the back of the head.What is the cause of rebound headaches?
A. Stressful events.
B. Tension in the muscles.
C. Too much use of pain medicine.(http://www.171english.cn)Why is a headache diary helpful for the treatment?
A. It helps one find the cause of his headaches.
B. It reminds one to take medicine on time.
C. It helps remove constant pain.
听一段材料，回答下面几个小题。When did the conversation take place?
A.In the morning.
B.In the afternoon.
C.In the evening.Why did the boy say“God-damned water”？
A.The water was too cold.
B.The water was too hot.
C.The water was too dirty.Where was the towel?
A.On a shelf.
B.Outside.
C.On a chair.
听一段材料，回答下面几个小题。Why did the man put the paper on the floor?
A.He saw other people do so.
B.The basket was thrown away.
C. The basket was full.Where does the conversation most probably take place?
A.On the playground.
B.In the classroom.
C.At the back of the school.What will the man do next?
A. Put the waste paper in the dustbin.
B.Clean the playground.
C.Help others with the cleaning.
What instrument does Mary play?
A.The violin.
B.The drum.
C.The piano.
When does the woman’s class start on Tuesdays?
A.At 10:00.
B.At 9:00.
C.At 8:00.
How will the woman get to the party?
A.By car.
B.By bus.
C.On foot.