新課標英語閱讀 56：打哈欠

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Sometimes people feel sleepy.有時人們昏昏欲睡。

They can't stay interested in what they are doing.他們不能保持感興趣,他們在做什么。

That is when they open their mouths wide.這是當(dāng)他們大大張口。

We call this a yawn. It makes a pretty silly face. 我們稱之為一個哈欠。它使一個非常愚蠢的臉。

Why do people do it?人們?yōu)槭裁催@樣做?

Scientists do not know much about yawns.科學(xué)家不知道很多關(guān)于呵欠。

But they have some ideas. 但是他們有一些想法。

Our bodies get tired. 我們的身體累了。

Our minds get tired, too. 我們的頭腦累了,太。

A tired mind needs air. So we yawn. 一個疲憊的心靈需要空氣。所以我們打呵欠。

The quick yawn takes in air. 快速打呵欠吸氣。

And the air wakes up our mind.和空氣醒來我們的心靈。

But not for long. Watch out! 但是不會太久。小心!

Here comes another yawn.又來了另一個哈欠。

WORD BANK

sleepy/'sli:pi/adj.困乏的;

欲睡的

yawn n.呵欠-v.打呵欠

wide/waid/adj，寬的;

廣闊的

scientist n.科學(xué)家

mind/maind/n.頭腦;智為;

精神