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There axe in general two opinions about what we experience in a dream: Based on what is discussed in this writing, an adult may
There axe in general two opinions about what we experience in a dream: Based on what is discussed in this writing, an adult may
admin
2009-06-15
44
问题
There axe in general two opinions about what we experience in a dream:
Based on what is discussed in this writing, an adult may have at most about ______ of the time of his or her sleep dreaming.
选项
A、90%
B、50%
C、25%
D、20%
答案
C
解析
第二段中说一般人睡眠时有四到五个REM阶段,这几个阶段约占整个睡眠时间的 25%。由于梦通常在REM阶段发生,所以睡眠中可能最多只有25%的时间在做梦。
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职称英语卫生类基础题库职称英语分类
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职称英语
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