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While your pet fish may appear to be ign...

While your pet fish may appear to be ignorant of your presence, chances are that it knows you extremely well and can probably even identify you from a crowd of human faces! At least, that is the conclusion reached by scientists the University of Oxford in the U.K. and the University of Queensland in Australia, following an extensive study of the archerfish (喷水鱼), a species of tropical fish that can be found all the way from India to Indonesia, the Philippines, and Australia.

The ability to distinguish between human faces is a complex task. That’s because we all have the same basic features — two eyes sitting above a nose and a mouth. It’s only the subtle differences that make humans distinct from one another. Since this requires a combination of both visual sense and memory, researchers had always assumed that it was a skill possessed only by those with complicated brains, i.e., humans, a few select animals — such as horses, cows, dogs, monkeys and some birds, like pigeons.

To test if this assumption was accurate, a team of scientists led by Dr. Cait Newport, Marie Curie Research Fellow in the Department of Zoology at Oxford University, decided to study fish. The aquatic (水生的) animals have small brains that lack the neocortex(大脑新皮层), or neocortex-like structure, believed to help recognize the subtle differences between human facial features.

The team began by presenting four archerfish with images of two human faces. Initially, the fish spat randomly at both. However, they soon learned that pouring water at the one selected by the researchers earned them a food treat. After that, they focused primarily on that image. The researchers then took the experiment one step further, by introducing 44 other human faces to the mix.

To the researcher’s astonishment, the trained archerfish were able to recall the learned image almost 81% of the time. And this accuracy improved to 86% when the researchers made the identification even harder, by replacing the colored photos with a set of black and white images and hiding the shape of the head.

1.What is the conclusion of the study made by the scientists from the universities?

A. Some fish may ignore your presence.

B. Some fish can recognize your faces.

C. Some fish have complicated brains.

D. Some fish have large brains.

2.What does the underlined word “it” in Paragraph 2 refer to?

A. The ability to distinguish between human faces.

B. A combination of visual sense and memory.

C. The ability of memorizing complicated things.

D. The ability of telling beasts from birds.

3.In the experiment, the researchers trained the archerfish _______.

A. by taking photos of fish

B. by improving people’s images

C. by rewarding them with food

D. by covering their heads

 

1.B 2.A 3.C 【解析】 试题分析:本文介绍喷水鱼通过训练能分辨出人脸。 1. 推理判断题。根据第一段第一句While your pet fish may appear to be ignorant of your presence, chances are that it knows you extremely well and can probably even identify you from a crowd of human faces!可知,一些鱼能分辨人脸,故选B。 2. 词义指代题。根据第二段中It’s only the subtle differences that make humans distinct from one another. Since this requires a combination of both visual sense and memory, researchers had always assumed that it was a skill possessed only by those with complicated brains, i.e., humans...(这是人类区别于其他的微妙差别,因为这要求视觉和记忆的结合,研究者总是假定这种技能只被有复杂大脑的动物所拥有).可知,it是指“区分人类面孔的能力”,故选A。 3. 细节理解题。根据第四段第三句However, they soon learned that pouring water at the one selected by the researchers earned them a food treat.可知,研究者在训练中用食物奖励他们。故选C。 【学法指导】 细节理解题中的直接信息题 对此类题型,考生可以首先从问题中找到关键词,然后以此为线索,运用略读及查阅的技巧在文中迅速寻找这一细节,找到后再把这一部分内容仔细阅读一遍,仔细比较所给选项与文中细节的细微区别,在准确理解细节的前提下,最后确定最佳答案。4. 考点:考查科普类阅读
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Unluckily, thirty minutes after leaving Turkey, the motor on the ship which was meant to hold six passengers but was instead carrying twenty, failed. Yusra, her sister Sarah, and the only two other strong swimmers aboard the boat had no choice but to dive into the ocean and use their superior swimming skills to push the boat and its passengers all the way to Lesbos, Greece A journey that took three hours.

While her dream of representing her country was ruined, Yusra did not give up her desire to compete in the Olympics. In March 2016, she was one of ten athletes selected and funded by the Olympic Committee to form the first-ever “Refugee Team.” International Olympic Committee president Thomas Bach believes that Yusra and her teammates, who have also had to flee their countries, “Will show the world that despite the unimaginable tragedies they have faced, anyone can compete, anyone can contribute to society through their talent, skill, and strength of the human spirit.”

1.What do we know about Yusra’s fleeing journey to Greece?

A. It was very hard.

B. It took three hours.

C. It was a failure. 

D. It was very smooth.

2.What is the right order of the events related to Yusra?

a. She became a member of the world’s first “Olympic Refugee Team”.

b. She dreamed of swimming for Syria at the Olympic Games.

c. She lost her home.

d. She fled Syria to Greece with her sister Sarah and a few other Syrians

A. b, a, c, d   B. a, b, c, d  C. a, d, c, b   D. b, c, d, a

3.Thomas Bach’s attitude to Yusra is _______.

A. disapproving   B. tolerant  C. supportive     D. resistant

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C. Make full use of time.

D. Breathe fresh air.

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A. Happy and meaningful.

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C. Boring and meaningless.

D. Long and tiring.

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D. to notice and enjoy the happiness around you

 

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文中共有10处语言错误,错误涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词作斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写出修改后的词。

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