填空题

Why is it dangerous for a color-blind person to pass the traffic lights
Because they don’t know they can not ______ the real colors.

【参考答案】

see or name
[解析] 题目询问为何色盲症患者过红绿灯很危险。由关键句“他们不知道自己看不见真实的颜色或......

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