问题详情

Read the following text. Choose the best word or phrase for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.
Text
A special lab at the University of Chicago is busy only (26) It is a dream (27) where researchers are at work (28) dreamers. Their findings have concluded that (29) dreams from three to seven times each night, (30) in ordinary life a person may (31) none or only one of his dreams.
While the (32) sleep, special machines (33) their brain waves and eye movements as well as the body movements that (34) the end of a dream. Surprisingly, all subjects (35) soundly.
36 say that a person usually fidgets(烦躁) before a dream. (37) the dream has started, his body relaxes and his eyes (38) more active, as if the curtain (39) on a show. When the machine (40) that the dream is over, a buzzer wakes the (41) . He sits up, records his dream, and goes back to sleep—perhaps to (42) some more.
Researchers have found that if the dreamer, is (43) immediately after his dream, he can usually recall the entire dream. If he is allowed to sleep even (44) his (45) of the dream will have faded. That" s why most people have many dreams at night, but forget most of them in the morning.
26. [A] at noon
[B] in the morning
[C] at night
[D] in spring请帮忙给出正确答案和分析，谢谢！