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Are you content with the shape of your n...

Are you content with the shape of your nose? If not, the climate may be to blame, not your parents.

According to a recent study carried out by scientists from Pennsylvania State University, US, climate played a key role in shaping our noses.The findings were based on an examination of the size and shape of noses of 476 people from four regions — West Africa, East Asia, South Asia and Northern Europe, using 3­D facial imaging technology.

“People have thought for a long time the difference in nose shape among humans across the world may have arisen as a result of natural selection because of climate,” Arslan Zaidi, one of the lead authors of the study, told The Guardian.But while previous studies were based on measurements from human skulls, Zaidi and his team looked at nose shape itself.

The result showed that wider noses are more common in warm and humid climate, while narrower noses are more common in cold and dry climate.That, Zaidi said, could be because narrower nasal passages help to increase the moisture (潮湿) content of air and warm it, which is easier on our lungs.This, in turn, led to a gradual decrease in nose width in populations living far away from the equator.

More studies are still needed to test the link between climate and nose shape, but Zaidi believes the current findings are valuable in understanding potential health issues.“As we become more of a global community, we are going to come across climate that we do not adapt to,” he told The Guardian.This means moving to a very different climate might increase the risk of breathing problems.

However, he added, “This may not be necessarily true for various reasons such as of modern medicine and the fact that our current climate is very different from what it used to be.”

1.From the passage we know most people from Singapore have         noses.

A. wider    B. narrower

C. smaller    D. larger

2.Narrower noses are helpful to         .

A. cool the air    B. warm the air

C. take in more oxygen    D. dry the air

3.What can be learned about the study?

A. Zaidi’s team measured human skulls using 3­D technology.

B. The shape of our noses is determined by our parents.

C. Nose shape helps people adapt to the environment.

D. It’s certain that people will suffer from more breathing problems.

4.Which of the following can be the best title for the passage?

A. What factors shape noses?

B. How to make your nose attractive?

C. Nose shape causes breathing problems

D. Climate shapes noses

 

1. A 2. B 3. C 4. D 【解析】 这是一篇议论文。文章主要讲了研究表明人的鼻子的形状不只是由父母决定的,而且会受到生活地区气候的影响。 1.推理判断题。根据第四段第一句可知,居住在温暖潮湿环境中的人的鼻子普遍更宽,而居住在寒冷干燥环境中的人的鼻子普遍更窄,又因新加坡在温暖湿润地区,故大部分新加坡人应该有着较宽的鼻子,故选A。 2.细节理解题。根据第四段第二句“That, Zaidi said, could be because narrower nasal passages help to increase the moisture (潮湿) content of air and warm it, which is easier on our lungs.”可知狭窄的鼻孔能温暖进入鼻孔的空气,故选B。 3.推理判断题。根据文章第四段最后两句“That, Zaidi said, could be because narrower nasal passages ...to a gradual decrease in nose width in populations living far away from the equator.”可知鼻子的形状会慢慢改变来适应气候,故选C。 4.主旨大意题。根据全文,特别是从第一、二段的研究结果“the climate may be to blame, not your parents”“They found that climate played a key role in shaping our noses.”可知D项最恰当,即气候影响鼻子的形状,故选D。
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