If people can’t tell all kinds of colors, we can say they are color-blind. M

游客2024-06-25 49

问题 If people can’t tell all kinds of colors, we can say they are color-blind. Most color-blind people can see【T1】______but cannot tell red from green Very few people are blind to all kinds of colors, but they may see black and white. It’s【T2】______that many color-blind people don’t think they are color-blind. Well, the reason is that they don’t know that they can’t see or name the real colors. This can be dangerous when a color-blind person is passing the【T3】______Some people are【T4】______color-blind. And though doctors have tested many times on the reason for color-blindness, there is still no good reason for it at all. So there is still no way to【T5】______the color-blindness. [br] 【T3】

选项

答案 traffic lights

解析根据空格前的定冠词the判断空格处缺少名词。结合录音，填入traffic lights“交通灯，红绿灯”，light在这里为复数，别漏了-s。

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