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For most of us, there is no debate — ban...

    For most of us, there is no debate — bananas are yellow. Color isn’t as objective as you might think though. Our brain decides what color we are looking at based on the light that comes into our eyes, and how we see colors actually varies a lot.

There are many ways color can confuse our brains. Positioning and shading can change what we think we are looking at. Two people can see the same thing very differently because of how our brains deal with light.

How we see color, however, is governed by much more than just our bodies. Our emotions or even the time of year, can change how our eyes and brains react to what we see. Yellow looks different to us depending on the season, according to scientists at the University of York. In the summer yellow appears more “greenish” whereas in the winter yellow appears more “reddish”. This is the result of living in an environment where the level of green light increases in the summer. When the trees are full of leaves, our eyes need to adapt. With extra green all around us, our brain has to recheck its understanding of yellow.

Researchers in Rochester, New York have found that feeling sad can impact on your ability to identify (辨别) colors. Participants were shown some small pieces of cloth which had most, but not all, of the colors removed from them. Later, they were asked to identify what color they were looking at. A group who had watched the death of Mufasa in The Lion King found it harder to pick out blue and yellow than others who had not seen the film. Psychologists believe that dopamine — which controls our brain’s reward and pleasure centers — has an impact on how we identify these colors. So while color might seem to be one of the simplest things in our world, it is actually a mystery scientists are only just beginning to solve.

1.What does the passage mainly focus on?

A.Why we see colors differently. B.How our brains receive colors.

C.Why colors affect our emotions. D.How people can identify colors.

2.Which of the following is unable to affect people’s ability to identify colors?

A.Position. B.Intelligence.

C.Environment. D.Feeling.

3.Yellow looks different in summer and winter because of ___________.

A.people’s different sight B.the different temperatures

C.the different levels of green light D.people’s different body conditions

4.What can we learn from the last paragraph?

A.The sad feeling weakens people’s ability to identify colors.

B.We can find out the secret of dopamine in some movies.

C.Scientists have found the answer to the color mystery.

D.There are many ways that color can entertain our brains.

 

1.B 2.B 3.C 4.A 【解析】 这是一篇科普说明文。文章运用一系列的研究事实来说明我们的大脑是如何接受不同的颜色的。 1. 主旨大意题。题干问的是这篇文章主要集中在讲什么。根据每段首句和尾句的信息,诸如第一段尾句就说:我们的大脑根据射进眼中的光来决定所看到的颜色,而我们如何看这些颜色人各不同,因人而异。第三段首句我们如何看颜色不仅仅受我们的身体控制。我们的情感或者说甚至连一年四季不同,都能够改变我们的眼睛和大脑对我们所看到的东西做出的反应。据此推断此篇文章的中心就是讲我们的大脑如何接受颜色的。 B选项切合题意。故选B。 2. 细节理解题。题干问的是不能影响人们确定颜色的是哪一项。This is the result of living in an environment where the level of green light increases in the summer.这句话排除了C选项,因为它讲:这是因为生活在这样的环境中,在那里夏天绿光的水平增加了。说明环境是受影响的一个选项。再看Researchers in Rochester, New York have found that feeling sad can impact on your ability to identify (辨别) colors.这句话排除了D选项,因为研究者发现感觉悲伤也能影响你辨别颜色的能力。第二段里首句第二句说:There are many ways color can confuse our brains. Positioning and shading can change what we think we are looking at. 颜色有许多可以让我们大脑感到迷惑的方法。位置和阴影能够改变我们对所看到的事物的想法。故A选项排除。根据以上分析,剩余的B选项文章中没有提到,说明智力水平不会影响人们对颜色的判断。故选B 。 3. 推理判断题。根据题干审题后,定位于文章中In the summer yellow appears more “greenish” whereas in the winter yellow appears more “reddish”. 在夏天的时候黄色看起来更“绿”一点,而到了冬天黄色则看起来更“红”一点。题目问的是“因为……”。而下面一句话里就有它直接的结果。但这个需要同义转换才能知道的the result of.所表示的意思就是这样的原因就是:This is the result of living in an environment where the level of green light increases in the summer.这是因为生活在一个绿光水平增长比较高的环境中的缘故。据此可以推定此题答案为C选项。故选C。 4. 推理判断题。 根据最后一段Participants were shown some small pieces of cloth which had most, but not all, of the colors removed from them. Later, they were asked to identify what color they were looking at. A group who had watched the death of Mufasa in The Lion King found it harder to pick out blue and yellow than others who had not seen the film. (研究人员向参与者展示了一些小布,这些布去掉了大部分(但不是全部)颜色。之后,他们被要求辨认出他们看到的是什么颜色。一组看过《狮子王》中木法沙之死的人,被发现他们比没有看过这部电影的人更难分辨出蓝色和黄色。)由此推断出悲伤的感觉削弱了人们识别颜色的能力。故选A。
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____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

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The Teacher-Student Relationship

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