题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。注意：请将答案写到答题卷上，写在试卷上答案无效。

Ask three people to look out of the same window at a busy street corner and tell you what they see. 1.__________(chance) are that you will receive three different answers. Each person sees the same scene, but each perceives something different about 2.________.

Perceiving goes on in our minds. Of 3.________ three people who look out of the window, one may say that he sees a policeman 4._______(give) a motorist a ticket. Another may say that he sees rush-hour traffic jam at the intersection. The 5.________(three) may tell you that he sees a woman trying to cross the street with four children. Perception is the mind’s6.________(interpret) of what the senses — in this case our eyes — tell us.

Many psychologists today are working to try 7._________(determine) just how a person experiences or perceives the world around. Using a scientific approach, these psychologists set up experiments in 8._______ they can control all of the factors. 9._______ measuring and charting the results of many experiments, they are trying to find out what makes different people perceive 10.______(total) different things about the same scene.