2014年12月大学英语四级考试预测试卷4_第6页

　　听材料，回答下列各题：

　　A unique laboratory at the University of Chicago is busy only at night. It is a dream laboratorywhere researchers are at work studying dreamers. Their findings have (26)___________ that everyonedreams from three to seven times a night; although in (27)___________life a person may remember none oronly one of his dreams. What people dream usually (28)___________ !heir waking life experiences, whichare mostly visual in nature. Dream is (29) __ to be a passive event, a (30)___________ that peopleexperience but do not (31) __ control. While the subjects - - usually students___________sleep, specialmachines record their (32) __ waves and eye movementss well as the body movements thatsignal the end of a dream. Surprisingly, all subjects sleep (33) . Observers report that a personusually feels anxious before a dream. Once the dream has started, h is body relaxes and his eyes becomemore active, as if the curtain had gone up on a show. As soon as the machine indicates that the dreamis over, the sleeper is weakened by the researcher. He (34)___________, records his dream, and goes backto sleep___________perhaps to dream some more. Researchers have found that if the dreamer is wakened afterhis dream (35)___________, he can usually recall the entire dream. If he is allowed to sleep even five moreminutes, his memory of the dream will have faded.

　　第(26)题___________

　　27、第(27)题___________

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　　35、第(35)题___________