[解析]
(1)C.细节题.根据文章第二段的句子:In the study,99 college students between the ages of 18 and 30 each spent an hour on a computer,trying to get through a virtual maze(迷宫)参与调查的人被要求做什么,体验这个实验,尽量记住一些事情.所以选C.A项说让这些人呆在迷宫的不同地方,而实际上这是一个虚拟迷宫.B项意思是让他们设计一个很难通过的迷宫.而文中介绍他们是参与调查不是设计迷宫的,D项是从同一个地方通过迷宫,这和第二段的句子:The maze was different place each time they tired是不符合的.故选C.
(2)D 细节题.根据文章第五段的句子:When these four people tried the computer maze again,they were able to find the tree faster than before their naps.可知梦和迷宫有关的人会更快找到树,所以选D.A项是参与者被要求表达他们的想法,而文章中介绍这些人小睡后,是被要求找迷宫里面的树,BC项文章中都没有出现.故选D.
(3)B.细节题.根据Stickgold,定位到第六段的句子:He suspects that the dream was caused by the brain processes associated with learning.可以知道人们的大脑过程还和梦里面的学习有关.选B.A项是每个人都会做到和学习的东西有关的事情,文章提到是四个人做到和迷宫有关的事情,C项是:一旦人们的眼睛不动了,他们一定在梦到什么,这和第四段的句子:Stickgold,a neuroscientist(神经科学家),wanted to know what people were dreaming about when their eyes weren't moving during sleep.不符,D项是.无论是空想的还是令人厌烦的,梦都和人的生活有联系,这不是Stickgold,的观点.故选B.
(4)C.主旨题:结合全文的内容和第一段的主题句:In a recent study,scientists found a connection between nap﹣time (午睡时间) dreams and better memory in people who were learning a new skill.可知这篇文章讲的是做梦可以提高人们的记忆力,Dreaming Makes Perfect是最合适的标题,而A项是梦是奇怪的,B项是不是所有的梦都是真实的,都和文章没有关联,而D项:Stickgold一个做梦的专家,太片面.故选C.