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    【题目】Watching a 3D movie can more than double the concentration powers and cognitive(认知) processing of children, a new research claims.

    A study made by visual technology firm RealD and led by child psychologist Dr Richard Woolfson suggests that children aged between 7 and 14 experienced twice the cognitive processing speed and performed better in testing after watching 20 minutes of a 3D film. This is despite suggestions that attention spans(时期) in children have shortened in the last decade due to unlimited to access to entertainment, including on-demand TV, gaming and social media. A 2015 study claimed that watching 3D content had a similar effect to brain-training exercises.

    Consumer psychologist Mr Fagan said that the increased stimulation(刺激) found in watching something in 3D "exercised" the brain and improved performance in the short term. "3D films can play the role of ‘brain-training’ games and help to make children ‘smarter’ in the short term," he said. "The shortening of response times after watching 3D was almost three times as big as that gained from watching 2D; in other words, 3D helps children process aspects of their environment more quickly. This is likely to be because 3D is a mentally stimulating experience which ‘gets the brain's juices flowing’."

    The experiment saw children given a range of cognitive tests before watching 20 minutes of a movie in either 2D or 3D and being tested again. The results showed those who saw the 3D content reacted faster and performed bettering the second round of testing. Mental engagement also rose by 13% among 3D watchers. Child psychologist Dr Woolfson added that “supportive parenting” and regularly listening to classical music can also aid a child’s memory.

    【1】The reason why children perform better after watching a 3D movie is that ________.

    A. a 3D movie makes their brain active

    B. a 3D movie is more exciting than a 2D movie

    C. children enjoy watching a 3D movie

    D. children like the experience which “gets the brain’s juices flowing”

    【2】Which of the following is TRUE according to the passage?

    A. Only “supportive parenting” and listening to music can help a child’s memory.

    B. The children in the experiment are tested only once.

    C. All the children doubled the cognitive processing speed in testing.

    D. Children’s attention spans have shortened in the past 10 years because of access of.

    【3】Where does this passage probably come from?

    A. An exhibition guide.

    B. A science textbook.

    C. A science report.

    D. An advertisement.

    【答案】

    【1】A

    【2】D

    【3】C

    【解析】

    试题分析：本文讲述了一项新的科学研究发现，3D电影使孩子们的大脑更活跃。

    【1】A 细节理解题。根据第一段Watching a 3D movie can more than double the concentration powers and cognitive(认知) processing of children, a new research claims.可知，3D电影使孩子们的大脑更活跃。故选A。

    【2】D 细节理解题。根据第二段中This is despite suggestions that attention spans(时期) in children have shortened in the last decade due to unlimited to access to entertainment, including on-demand TV, gaming and social media.（在过去的10年里，儿童的注意力时间缩短了），故选D。

    【3】C 推理判断题。纵观全文，再根据第一段中的a new research claims.可知，本文最可能来自一篇科学报道，故选C。

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