A、Two groups of people participated in a experiment. B、Light-colored rooms make students do better on the exam. C、People in nice

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问题  
Investigators were testing the effects of different colored walls on two groups of visitors to an exhibit of paintings. For the first group the room was painted white; for the second, dark brown. Movement of each group was followed by an electrical system under the carpet. The experiment revealed that those who entered the dark brown room walked more quickly, covered more area, and spent less time in the room than the people in the white environment.
(17) Dark brown stimulated more activity, but the activity ended sooner. Another experiment presented three groups of subjects with the same photographs, but each group was in a different kind of room—an “ugly” room like a messy storeroom, an average room, such as a nice office, and a tastefully designed living room with carpeting. (18) Results showed that the subject in the beautiful room tended to give higher ratings to the faces than did those in the ugly room. Other studies suggest that students do better on tests taken in comfortable, attractive rooms than in ordinary-looking or ugly rooms.
Questions 16 to 19 are based on the passage you have just heard.
16. What is the main idea of the passage?
17. How will dark color influence visitors at an exhibition?
18. How will beautiful rooms influence visitors?
19. What can be concluded from the two experiments?

选项 A、Two groups of people participated in a experiment.
B、Light-colored rooms make students do better on the exam.
C、People in nice-looking rooms tend to be biased in their opinion.
D、The effects of a room’s general appearances and its wall color on visitors

答案D

解析 文章主要介绍了两个实验,来证明房间的外观及墙面颜色对访客的影响。
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