At the end of the day, there's probably little reason to pay attention to our dreams at all unless they keep us from sleeping of“we wake u in a panic, ”Cartwright says Terrorism, economic uncertainties and general feelings of insecurity have increased people's anxiety. Those suffering from persistent nightmares should seek help from a therapist For the rest of us, the brain has its ways of working through bad feelings. Sleep-or rather dream-on it and you'll feel better in the morning.

　　31. Researchers have come to believe that dreams

　　A. can be modified in their courses.

　　B. are susceptible to emotional changes.

　　C. reflect our innermost desires and fears.

　　D. are a random outcome of neural repairs.

　　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.

　　33. The negative feelings generated during the day tend to

　　A. aggravate in our unconscious mind.

　　B. develop into happy dreams.

　　C. persist till the time we fall asleep.

　　D. show up in dreams early at night.

　　34.Cartwright seems to suggest that

　　A. waking up in time is essential to the ridding of bad dreams.

　　B. visualizing bad dreams helps bring them under con troll.

　　C. dreams should be left to their natural progression.

　　D. dreaming may not entirely belong to the unconscious.