【多选题】【消耗次数：1】
CMYK是一种依靠反光的色彩模式，由（ ）或（ ）照射到报纸上，再反射到我们的眼中，才看到内容。
①
阳光
②
灯光
③
透光
④
无光源
参考答案：
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相关题目
【单选题】
阳光中的紫外线照射到皮肤上可生成( )。
①
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②
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③
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④
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随机题目
【单选题】
关于测度，以下说法正确的是
①
区间[0，1]上全体有理数的测度为0
②
区间[0，1]上全体实数的测度为0
③
区间[0，1]上全体无理数的测度为0
④
区间[0，1]上全体有理数的测度为c