77 Color Blindness-Mid

Color Blindness FOCUS Question What is color blindness?

色盲焦点问题什么是色盲?

Dark and Light You need light to see things. If you wake up at night, you may not be able to see anything. Turn on a lamp. Now you can see.

黑暗与光明你需要光明才能看清事物。 如果你在晚上醒来，你可能什么都看不见。 打开一盏灯。现在你可以看到了。

Light and Colors You need light to see colors. In a dark room, it is hard to see the colors on this bed. When the light is on, you can see the colors better.

光和颜色你需要光才能看到颜色。 在黑暗的房间里，很难看到这张床上的颜色。 当灯亮着的时候，你可以更清楚地看到颜色。

Look at this picture. You see a black and white soccer ball. Your friends in class probably see the same colors.

看这张照片。你看到一个黑白相间的足球。 你班上的朋友可能看到了同样的颜色。

Now, look at this soccer ball. Many people will see a green and white ball. Some people may see a tan and white ball. Other people may see a gray and white ball. Why do they see different colors?

现在，看看这个足球。 很多人会看到一个绿白相间的球。 有些人可能会看到一个棕褐色和白色的球。 其他人可能会看到一个灰白色的球。 为什么他们看到不同的颜色?

Color Blindness Some people see colors differently than other people do. Doctors call this color blindness People who have color blindness, were born with it. A lot of people are color-blind. More boys than girls have color blindness. Math Moment For every 12 boys, one boy is usually color-blind. If 24 boys are on a bus, how many boys are likely to be color-blind? Hint Draw a picture.

有些人看到的颜色和其他人不一样。 医生称之为色盲患有色盲的人是天生的。 很多人都是色盲。 色盲的男孩比女孩多。 每12个男孩中就有一个是色盲。 如果一辆公共汽车上有24个男孩，有多少男孩可能是色盲? 画一幅画。