Tears and More Tears
眼泪 I-05 / 005

Sometimes people cry when they are sad. Other times people cry tears of joy. But your eyes make tears all the time, whether you are crying or not. Did you know the tears help keep your eyes healthy? They keep your eyes from drying out. A special area of the eye drips all the time. It keeps the eye damp.

If you look in a mirror, you can see tiny holes in the corners of your eyes. Each hole leads to a small tube that runs to your nose. Tears run slowly into this tube drip by drip. Day and night the holes drain the tears away. If they didn't, you would always look as if you were crying!

If you begin to cry, there are many more tears. The holes can't drain all of them. Then extra tears spill out onto your face.

Tears help keep eyes safe. If there is something harmful in the air, the eyes fill with tears. These tears coat your eyes. They keep the harmful air out.

Contact lenses can make the eyes too dry. Some people have to add tears to their eyes. They buy bottles of eye drops to keep their eyes damp.

Words and Phrases

dry out 干涸

damp [dæmp] 形 潮湿的

drain [dreɪn] 动 流干

drain away（使）排走

spill out 溢出；洒出

contact lenses 隐形眼镜

eye drops 眼药水

Practice

1. Your eyes make tears_________.

A. all the time

B. only at night

C. only when you are sad

2. In the corners of your eyes, there are_________.

A. short brushes

B. small hairs

C. tiny holes

3. When you cry, there are many more__________.

A. tears

B. holes

C. drains

4. If there are harmful things in the air,__________.

A. the eyes will fill with tears

B. you will never know it

C. most people close their eyes

5. Tears will________.

A. coat your eyes

B. put you to sleep

C. open your eyes

译文

眼泪

有时候人们伤心会哭泣，其他时候人们也会喜极而泣。但是不管你流不流眼泪，眼睛都会一直产生泪液。你知道吗？眼泪对眼睛有保健作用，它们能够使你的眼睛不会变得干涩。眼睛的某个特殊区域一直不停地滴泪液，正是它让眼睛保持湿润。

如果你对着镜子看，你就会在眼角处看到微小的孔，每个小孔都连接着一个通向鼻子的细管。眼泪慢慢地一点一滴地滴进这根细管中。细管不分昼夜地把泪液排走。如果它们不这样做的话，你看起来就会一直是眼泪汪汪的状态。

当你开始哭泣的时候，就会产生更多的眼泪。当这些小孔不能把所有泪水排走，那么多余的泪水就会流到你的脸上。

眼泪能保护眼睛的安全。如果空气中含有有害物质的话，你的眼睛就会充满眼泪，这些眼泪会覆盖你的眼球，并将有害空气阻隔在外。

隐形眼镜会让眼睛变得非常干涩。有些人不得不往眼睛里滴入泪液。他们买瓶装滴眼液来保持眼睛的湿润。

练习

1．你的眼睛_______产生眼泪。

A．一直

B．只在晚上

C．只有在你伤心的时候

2．在你的眼角处，有________。

A．短刷

B．细小的毛发

C．微小的孔

3．当你哭的时候，会产生更多的________。

A．眼泪

B．小孔

C．排水管

4．如果空气中含有有害物质，_________。

A．眼睛会充满泪水

B．你将永远不会知道

C．大多数人会闭上眼睛

5．眼泪会_________。

A．覆盖你的眼睛

B．让你入睡

C．让你睁开眼睛