The main idea of paragraph 2 is______.
A、colors may have effect on our work and study
B、colors do have effect on our moods (情绪)
C、light and bright colors make people happy
D、factory workers can work better in a bright room
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试题解析
37.答案为B 颜色能影响人的情绪,比较四个选项,只有B概括了第二段的大意。