2. 外语
  3. When light illuminates an object, part of it is absorbed and part reflected; the ______lightness of an object depends on the pro

When light illuminates an object, part of it is absorbed and part reflected; the ______lightness of an object depends on the pro

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问题 When light illuminates an object, part of it is absorbed and part reflected; the ______lightness of an object depends on the proportion of light that is reflected.
选项 A、denoted
B、embodied
C、insulated
D、perceived
答案D
解析 四个选项的意思分别是：denote指示，表示；embody具体表达，使具体化；insulated绝缘的；perceive感知，感到，认识到。句意是，一个物体被人感知的亮度由其所反射的光所决定。
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