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elves to the disforts of being cold and wet for a long time. Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If, then, cold and wet have nothing to do with catching colds, why are they frequent in the winter? (28) Despite the most painstaking research, no one has yet found the answer. One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times, and this makes it easier for cold viruses to be passed on.No one has yet found a cure with the cold. There are drugs and painkillers such as aspirin, but all they do is to relieve the symptoms.Questions 26 to 28 are based on the passage you have just heard.26. What is the most popular mistaken belief about the mon cold?27. Who tend to catch a cold according to the speaker?28. Why do people catch cold in winter more frequently than in other seasons?29—31 D A B聽力原文Passage TwoThe piano and violin are girl’s instruments. Drums and trumpets are for boys. According to psychologists Susan Onco and Michael Balton, children have very clear ideas about which musical instruments they should play. They find that despite the best efforts of teachers, these ideas have changed very little over the past decade. (29) They interviewed 153 children aged between 9 to 11 from schools in Northwest England. They asked them to identify 4 musical instruments and then to say which they would like to play most and which they would like to play least. They also asked the children for their views on whether boys or girls should not play any of the 4 instruments. The piano and the violin were both ranked more favorably by girls than boys, while boys prefer the drums and trumpets. There was broad agreement between boys and girls on which instruments each sex should play and the reasons vary. (30) And while almost half of all boys said they avoid certain instruments because they were too difficult to play, only 15% of girls gave that as a reason. Earlier studies indicated that (31) very young school children aged between 5 and 7 showed no bias in choosing musical instruments, but their tastes bee much clearer between the ages of 8 and 10. One survey of 78 teachers suggested that after that age, both boys and girls begin to restrict themselves to the socalled male or female instruments.Questions 29 to 31 are based on the passage you have just heard.29. Why did Susan and Michael interview children aged between 9 and 11?30. Why do many of the boys avoid certain instruments?31. Which group of children has a bias when choosing musical instruments?32—35 B A C C聽力原文Passage Three(35) Faced with the threat of water shortages, Beijing and Shanghai will take effective measures to save water and protect water resources.Beijing will