段1：④Now researchers suspect that dreams are part of the mind’s emotional thermostat, regulating moods while the brain is “off-line.” ⑤And one leading authority says that these intensely powerful mental events can be not only harnessed but actually brought under conscious control, to help us sleep and feel better. ⑥“It’s your dream,” says Rosalind Cartwright, chair of psychology at Chicago’s Medical Center. ⑦“If you don’t like it, change it.”
段2：①Evidence from brain imaging supports this view. ②The brain is as active during REM (rapid eye movement) sleep—when most vivid dreams occur— as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh. ③But not all parts of the brain are equally involved; the limbic system (the“ emotional brain”) is especially active, while the prefrontal cortex (the center of intellect and reasoning) is relatively quiet. ④“We wake up from dreams happy or depressed, and those feelings can stay with us all day,” says Stanford sleep researcher Dr. William Dement.
32.By referring to the limbic system, the author intends to show
[A] its function in our dreams.
[B] the mechanism of REM sleep.
[C] the relation of dreams to emotions.
[D] its difference from the prefrontal cortex.
答案：C
问：32题C选项对应原文哪部分内容？
A : dreams are part of the mind’s emotional thermostat, regulating moods while the brain is “off-line”
B : evidence from brain imaging supports this view
C : the limbic system (the“ emotional brain”) is especially active, while the prefrontal cortex (the center of intellect and reasoning) is relatively quiet
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