填空题

Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact words you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read for the third time, you should check what you have written.
It is common knowledge that music can have a powerful effect on our (36) . In fact, since 1930s, music therapists have (37) on music to soothe (38) and help control pain. Now psychologists are (39) that music can also help (40) depression and improve concentration. For instance, in a recent study, 15 surgeons were given some highly (41) math problems to solve. They were (42) into three groups: one worked in silence, and in another, the surgeons listened to music of their choice on headphones; the third listened to (43) music chosen by the researchers. The results of the study may surprise you. (44) . One possible explanation is that listening to music you like stimulates the Alfa-wave in the brain, increases the heart rate and expands the breathing. That helps to reduce stress and sharpen concentration. Other research suggests a second relation between the music and the brain: (45) , the researchers found that some students showed a large increase in endorphin, a natural pain reliever. (46) .