Question

【題目】根據(jù)短文內(nèi)容，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

What is a yawn and why do people yawn? A yawn is often associated with a person being tired. 【1】____ People yawn for many reasons including stress, boredom, emotion and overwork.

Have you noticed that yawning seems to be contagious(會傳染的)? If one person yawns, this appears to cause another person to yawn. Researchers have found that 40－60% of people who see a picture of someone yawning will yawn themselves.__ 【2】__

Some people think that yawning is rude and suggests that you are bored or uninterested. Maybe a yawn is a signal to a group that it's time to go to sleep, or if someone yawns when they're bored, it may be a sign to change the topic of conversation. _【3】__ Animals of all types yawn. If you have a dog or cat, you've probably seen your pet yawn several times. Even some birds yawn such as cockatiel parrots, Adelie penguins and Emperor penguins.

Some of the scientific explanations of why we yawn claim it is caused by physical needs. One likely explanation is that the yawning reflex happens when our blood needs more oxygen. The deep breath helps supply the levels of oxygen in our blood. _【4】_ It is also thought that the same chemicals in our brain that affect our moods and emotions cause us to yawn.

Superstitions about yawning have been around for hundreds of years and can date back to the ancient Greeks. A common superstition says that a person must cover his or her mouth when yawning so that the soul does not escape through the mouth. _【5】__ Today most people do not believe these superstitions and know that a yawn is a physical reflex.

A. Did you yawn while reading this article?

B. Yawning is not limited to humans.

C. It will make you lose interest in your work.

D. But this is not always the cause for a yawn.

E. Even reading the word YAWN can make people yawn.

F. Other people believe that yawning is a sign that danger is near.

G. Another common theory is that a yawn helps regulate our body temperature.

Answer 1

【答案】

【1】D

【2】E

【3】B

【4】G

【5】F

【解析】

試題分析:本文是一篇關(guān)于打哈欠的文章，文章介紹了打哈欠對人身體的影響以及人們對為什么人會打哈欠的猜想等。

【1】D考查對上下文的理解和推理判斷能力。根據(jù)People yawn for many reasons including stress, boredom, emotion and overwork.可知人們打哈欠的原因有很多，勞累并不是總是打哈欠的原因，D選項But this is not always the cause for a yawn.，符合，故選D。

【2】E考查對上下文的理解和推理判斷能力。根據(jù) Researchers have found that 40－60% of people who see a picture of someone yawning will yawn themselves可知人們看見和YAWN有關(guān)的標(biāo)志就會打哈欠，故 E選項Even reading the word YAWN can make people yawn.，符合，所以選擇E.

【3】B考查對上下文的理解和推理判斷能力。根據(jù)Animals of all types yawn可知打哈欠不止限于人類，動物也會，B選項Yawning is not limited to humans.，符合，故選B。

【4】G考查對上下文的理解和推理判斷能力。根據(jù)The deep breath helps supply the levels of oxygen in our blood. 以及It is also thought that the same chemicals in our brain that affect our moods and emotions cause us to yawn.可知這里要寫的是打哈欠對人身體的影響，G選項Another common theory is that a yawn helps regulate our body temperature.，符合，故選G。

【5】F考查對上下文的理解和推理判斷能力。根據(jù)A common superstition says that a person must cover his or her mouth when yawning so that the soul does not escape through the mouth.可知這里要寫的是對打哈欠的一些看法，F(xiàn)選項Other people believe that yawning is a sign that danger is near.符合 ，故選F