Why we dream still remains one of the great mysteries. But in answer to the question of how we dream, scientific researchers hav

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问题     Why we dream still remains one of the great mysteries. But in answer to the question of how we dream, scientific researchers have【B1】______ some important answers. According to dream researcher Michael Schredl, dream consciousness and consciousness are【B2】______ the same. This confirms the experience people have every night that what happens in dreams, no matter how fantastic,【B3】______ and lacking in reason or logic, is felt to be exactly【B4】______ life is when a person is awake. A discovery in 1953 called "REM(rapid eye movement)sleep" initially found that dream phases 【B5】______ by rapid eye movements are guided by the brain stem. This is the region of the brain which regulates a person’s breathing and body warmth, but has little involvement with consciousness. This led American sleep researcher Allan Hobson to conclude that dreams were a【B6】______product of various actions of the nerves. REM could be a mechanism which【B7】______ dream events, but one can also dream without this【B8】______. Dreams can be produced not from primitive, but rather from higher regions of the brain—those which handle things like【B9】______, emotions, memory and sensory experience. There is no【B10】______ difference in dreams, but only a difference in waking experience, which then is reflected again in the dream.
【B7】

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答案triggers

解析 这里缺少谓语动词。trigger的意思是“引发;触发”。由于从句的主语是a mechanism,故别忘了第三人称单数动词要加-s。
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