Ask three people to look out the same window at a busy street corner and to tell you what they have seen.Chances are that you wi

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问题         Ask three people to look out the same window at a busy street corner and to tell you what they have seen.Chances are that you will receive three different answers.Although each person sees the same scene, each one perceives something different about it.Perceiving goes on in our minds.Of the three people who look out the window, one may say that he saw a policeman giving a cyclist a ticket.Another may say that he saw a rush-hour traffic jam at the intersection.The third may tell you that he saw a woman trying to cross the street together with four children.For perception is the mind’ s interpretation of what the senses—in this case our eyes—tell us.
        Many psychologists today are trying to determine how a person experiences or perceives the world around him.Using a scientific approach, these psychologists set up experiments in which they can control all of the factors.By measuring and charting the results of many experiments, they are trying to find out what makes different people perceive totally different things about the same scene.
According to paragraph 2, what’s not mentioned about the psychologist’s experiment?

选项 A、The factors in the experiment are controllable.
B、Psychologists measure large amounts of data.
C、Psychologists choose three different testees randomly.
D、Psychologists put the collected data into maps.

答案C

解析 由第二段“Using a scientific approach, these psychologists set up experiments in which they can control all of the factors.By measuring and charting the results of many experiment…” 可知,选项A,B,D均在文中出现,C选项“心理学家会随机选取三个不同的测试者”文中没有提及,故选C。
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