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Sheep Smarter than Thought London—Sheep,...

Sheep Smarter than Thought

London—Sheep, like turkeys and ostriches, are not considered the most clever animals. British scientists said last Wednesday humans may have underestimated the woolly creature. They could be much smarter than we think.

Researchers at the Babraham Institute in Cambridge, southern England, have shown that the animals have a good memory system and are extremely good at recognizing faces—which they think is a sure sign of intelligence.

Behavioral scientist Keith Kendrick and his friends trained 20 sheep to recognize and distinguish 25 pairs of sheep faces and used electrodes (电极) to measure their brain activity , which showed they could remember 50 faces for up to two years .

“If they can do that with faces, they have to have reasonable intelligence; otherwise, what is the point of having a system for remembering faces and not remembering anything else?” Kendrick said in an interview.

So hours of seemingly mindless eating grass may not be so mindless after all.

Kendrick believes sheep got their reputation as dumb (unable to speak, unintelligent) animals because they live in large groups and do not appear to have much individuality and are frightened of just about everything.

“All animals, including humans, once they are frightened, don’t tend to show signs of intelligent action,” he explained.

In research reported in the science journal Nature, Kendrick and his team showed that sheep, like humans, have a specialized system in the brain which allows them to distinguish between many different faces which look extremely similar.

“The most important finding (of the study) is that they are able , both from a behavioral point of view and from looking at the way the brain is organized , to remember a large number of individuals for a very long time,” said Kendrick. “It is a very strange system. They are showing similar abilities in many ways to humans.”

1.From the first paragraph we can find that______.

A.people used to think sheep are smarter than the other animals

B.people used to raise sheep in a wrong  way

C.people don’t consider sheep as clever animals

D.people have done a lot of research on sheep

2.From what Kendrick said in the interview we learn that_____.

A.scientists have learned everything about sheep’s intelligence

B.scientists have learned a little about sheep’s intelligence

C.scientists can’t do anything more about sheep’s memory

D.scientists do not have to research animals’ memory

3.As is known in the passage,__________.

A.sheep are among the week animals

B.it is not right for people to raise sheep in groups

C.when sheep eat grass in the field their minds may be active

D.if people feel frightened, they may become braver

 

1.B 2.B 3.C 【解析】 试题分析:本文是一篇说明文,人类可能低估了羊的智商。羊能分辨出多达50对长相极其相似的羊。这是科学家通过实验证实的事情。 1. may have underestimated the woolly creature.可知人类以前低估了羊的智商,选C。 2. 推理判断题。根据末句It is a very strange system. They are showing similar abilities in many ways to humans.可知虽然对羊的研究有一些进展,但还有很多方面没有弄明白。选B。 3. 细节理解题。从文章句子,So hours of seemingly mindless eating grass may not be so mindless after all.羊吃草时,也许脑子正积极活跃。选C。 考点:考查时文报道类短文阅读
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About six years ago I was eating lunch in a restaurant in New York City when a woman and a young boy sat down at the next table, I couldn't help overhearing parts of their conversation. At one point the woman asked, “So, how have you been?” And the boy—who could not have been more than seven or eight years old—replied. “Frankly, I've been feeling a little depressed lately.”

This incident stuck in my mind because it confirmed my growing belief that children are changing. As far as I can remember, my friends and I didn't find out we were “depressed”, that is, in low spirits, until we were in high school.

Undoubtedly a change in children has increased steadily in recent years. Children don't seem childlike anymore. Children speak more like adults, dress more like adults and behave more like adults than they used to.

Whether this is good or bad is difficult to say, but it certainly is different. Childhood as it once was no longer exists. Why?

Human development depends not only on born biological states, but also on patterns of gaining social knowledge. Movement from one social role to another usually involves learning the secrets of the new social positions. Children have always been taught adult secrets, but slowly and in stages; traditionally, we tell sixth graders things we keep hidden from fifth graders.

In the last 30 years, however, a secret-revelation(揭示) machine has been equipped in 98 percent of American homes. It is called television. Television passes information to all viewers alike, whether they are children or adults. Unable to resist the temptation (诱惑),  many children turn their attention from printed texts to the less challenging, more attractive moving pictures.

Communication through print, as a matter of fact, allows for a great deal of control over the social information which children will gain. Children must read simple books before they can read complex materials.

1.According to the author, feeling depressed is ____________.

A. a sure sign of a mental problem in a child

B. a mental state present in all humans, including children

C. something that cannot be avoided in children's mental development

D. something hardly to be expected in a young child

2.According to the author, that today's children seem adult-like results from ____________.

A. the widespread influence of television

B. the poor arrangement of teaching content

C. the fast pace of human scientific development

D. the rising standard of living

3.What does the author think of communication through print for children?

A. It enables children to gain more social information.

B. It develops children's interest in reading and writing.

C. It helps children to read and write well.

D. It can control what children are to learn.

4.What does the author think of the change in today's children?

A. He feels their adult-like behavior is so funny.

B. He thinks the change worthy of note.

C. He considers it a rapid development.

D. He seems to be upset about it.

 

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