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Gorillas are born with an international ...

Gorillas are born with an international sign language of gestures that they use to communicate,says a new study from the University of St Andrews in Scotland.

From beating their chests to putting objects on their heads,shaking their arms,and even bouncing on all fours,the animals use more than 100 gestures to communicate with each other

Professor Richard Byrne,a psychiatrist involved in the research,says it was hard to figure out the meanings of the gestures.

“We don't really know what the animals are thinking. Often the gestures have more than one meaning,depending on the context,”says Byrne.

The study showed that the gorillas did not learn the ges­tures from each other,as had been expected,but performed them instinctively (本能地).

“Everyone had assumed different groups of gorillas would learn different gestures,”he says. “But that's not what we found. The more sites we went to ,the more we saw the same gestures being used. They seem to be naturally equipped with a pretty complex system of communication.”

The study also found that gestures were performed with close attention to the potential audience,so that silent sig­nals,for example, were only given when other apes could see them. Other gestures,such as the "disco arm shake" were only ever seen directed towards humans.

Byrne believes that the findings may explain how the human language developed.

“There has always been speculation(猜测)that the origins of the human language might lie in gestures,”he says.

“Many researchers have therefore studied the gestural communication of the great apes for clues to the evolution­ary origins of human gestures,”he adds.

Several studies have shown that great apes are capable of imitating gestures. However,the scientists found that what appeared to be copies of human actions were actually gestures the apes were already able to make themselves. They're “reusing” gestures from their own repertoire,not learning new ones.

64.According to the passage,Richard Byrne's research has found      .

A. different groups of gorillas would learn different gestures

B. gorillas know the sign language from birth

C. how gorillas learn from each other

D. gorillas develop a variety of languages when growing up

65.Why can't the researchers really know the meanings of gorilla gestures?

A. Because gorillas possess the ability of making many kinds of gestures.

B. Because they haven't made deep research into the animal.

C. Because a gorilla gesture may have different meanings.

D. Because gorillas can't exactly express their thoughts.

66.If a gorilla wants to make a silent gesture towards another gorilla,he      .

A. needs to know how many other gorillas are watching him

B. needs to make noise first in order to draw attention

C. will first make sure his gesture can be seen

D. will first consider whether he can carry out his gesture

67.According to the passage,many scientists study the sign language of great apes in order to      .

A. find the origins of the human language

B. find ways for people to communicate with apes

C. learn how animals communicate

D. discover the meanings of animal gestures

 

64-67 BCCA 【解析】略
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The beet (甜菜) is a tasty root vegetable that does not require much work to grow. People think of beets as being always dark red,but they can also be pink,yellow or white. Beets are high in nutrients,and both the root and the tops can be eaten. The leaves make good salads when the plants are young,and the greens can be cooked when the plants are older. Beets grow best in full sun and in loose soil that is not too wet.

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A specialist named Cindy Haynes says little or no fertilizer is needed in rich soils. Once the seeds are planted,however,she suggests covering the soil to protect it from the rain and during dry periods. She also suggests putting a fence around the plants to keep away rabbits and deer. She says the only work beets need once they have been thinned is weeding and, when the weather is dry,a weekly watering. For best results,beets should be picked when the roots are two and one-half centimeters around. Larger beets can be tough,and have to be cooked for a long time. Beets can be eaten in many ways.

60.What is the second paragraph mainly about?

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63.The passage is most probably from a(n)     .

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Only one woman is responsible for my success:my mom. Don' t  36 me—I'm like anyone else,and have issues with my mother. However,I'm  37  enough to realize that what she taught me when I was young positioned me for my later  38   .

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