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资料：We all know that lack of sleep affects our memory along with other cognitive abilities. Sitting in the office sleep deprives it’s difficult to remember your own name, let along the ever-lengthening to-do list.

But now new research shows that not getting enough sleep increases the chances your mind will actually create false memories. The study, published in Psychological Science, allowed one group of participants to get a full nights’ sleep while another had to stay up all night. In the morning they were given a series of photos that were supposed to show a crime being committed. Next, both groups were given some eyewitness statements about the crime. Like many witness statements in real-life crimes the details were different to those shown in the photographs. For example, in one instance the photo showed a thief putting a wallet in his jacket, but in the witness statement it said he put it in his pants（that's ‘trousers’ for British people not his underwear!）. Afterwards they were asked what they had seen in the original photographs. The results showed that those who'd missed out on their sleep were the most likely to regurgitate the false eyewitness statements they'd just read rather than remembering the ‘true’ crime-scene photos they'd been shown moments beforehand. The lack of sleep had messed with their heads to the extent the all the evidence—right and wrong—had got mixed up.

One of the study's authors, Kimberly Fenn, said:”People who repeatedly get low amounts of sleep every night could be more prone in the long run to develop these forms of memory distortion. It's not just a full night of sleep deprivation that puts them at risk. Indeed, a preliminary study they carried out found that getting just five hours sleep was enough to cause people to start manufacturing false memories.

Which does the underlined word “regurgitate”（paragraph 2）mean?

A.repeat
B.pour back
C.feed
D.remix

正确答案及解析

正确答案

解析

本题考查的是词义理解

【关键词】regurgitate ； paragraph 2

【主题句】第2自然段The results showed that those who'd missed out on their sleep were the most likely to regurgitate the false eyewitness statements they'd just read rather than remembering the ‘true’ crime-scene photos they'd been shown moments beforehand. 结果显示，没睡觉的人更容易复述虚假的目击内容，而不是回忆起之前亲眼目睹的犯罪现场照片。

【解析】题目意为“文章第二段中划线词regurgitate意为？”选项A意为“依样复述”，选项B意为“将（液体）倒回”，选项C意为“喂”，选项D意为“再混合”， regurgitate本义是回流、反刍，结合主题句来理解，实验者能回忆复述的是虚假陈述，而不是真实照片，因此，选项A符合题意。