9.解析：designed 过去分词作定语。 　

答案：designed

5.less　 6.but　 7.with　 8.in　

4.解析：who 引导定语从句，修饰those。　

答案：who

3.an　

2.解析：Movement这里用名词作主语。 　

答案：Movement

1.解析：本题为语态考查题。　

答案：was painted

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　 1　 (paint)white; for the second，dark brown.　 2　 　(move)of each group was followed by 　3　 　electrical system under the carpet.The experiment showed that those　 4　 　entered the dark brown room walked more quickly，covered more area，and spend 　5　 (little)time in the room than the people in the white environment.Dark brown stimulated more activity,　 6　 　the activity ended sooner.Another experiment presented three groups of subjects　 7　 　the same photographs，but each group was 　8　 a different kind of a room-an “ugly? room like a messy storeroom，an average room such as a nice office，and a nicely 　9　 (design)living room with carpeting and drapes.Results showed that the subjects in the studies suggest students do better on tests 　10　 　(take)in comfortable，attractive than in ordinary?looking or ugly rooms.