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C
All l animals play.Running and rolling are ways for them to have fun.But it also seems to be how they communicate and strengthen bonds with each other.
When a dog comes up to another dog,front legs bowed or his tail high or wagging,his friend knows he wants to play.But new research shows that this play behavior is surprisingly similar when horses and dogs play.
“ Up to now,most studies have focused on dog−human play due to the important implications(暗示)
that such studies have in understanding the special relationship we establish with our pets,"researchers from Italy wrote in the journal Behavioural Processes.“ Here,we focused on social play between dogs and horses."
To study communication among different species,Elisabetta Pala gi and her colleagues from the University of Pisa found 20 on l line videos of dogs and horses pl laying where their interactions lasted at least 30 seconds.They analyzed the videos,looking for specific patterns of play.
They found that while playing,both dogs and horses often had relaxed,open mouths,which is a common playful facial expression in animals.Some also copied each others' movements,like pretending to bite,playing with an object,or rolling on their backs on the ground.The team also found that the dogs and horses copied each other's facial expressions.This behavior,called rapid facial mimicry(模仿),has been seen before in dogs and sun bears,points out National Geographic.
But it has never been documented between animals of different species.
“ A 2,000−pound horse can play with a relatively tiny dog because the two can communicate their intentions(意向).It's an important study because it shows how two animals who look and behave so differently can manage to discuss how to play in a way that's comfortable for both,” Barbara
Smuts,a behavioral ecologist at the University of Michigan,told A at ional Geographic.
29.How does a dog express his intention to play?
A.By bowing his back legs. B.By crossing his legs.
C.By waving his tail high. D.By raising his head.
30.What does Pala gi's study find?
A.Dogs like to play with horses best.
B.Dogs and horses imitate each other's actions.
C.Animals show happiness by opening their mouths.
D.Different animals have different patterns of play.
31.What's Smuts' attitude towards Pala gi's research?
A.Supportive. B.Doubtful. C.Opposed. D.Unconcerned.
All l animals play.Running and rolling are ways for them to have fun.But it also seems to be how they communicate and strengthen bonds with each other.
When a dog comes up to another dog,front legs bowed or his tail high or wagging,his friend knows he wants to play.But new research shows that this play behavior is surprisingly similar when horses and dogs play.
“ Up to now,most studies have focused on dog−human play due to the important implications(暗示)
that such studies have in understanding the special relationship we establish with our pets,"researchers from Italy wrote in the journal Behavioural Processes.“ Here,we focused on social play between dogs and horses."
To study communication among different species,Elisabetta Pala gi and her colleagues from the University of Pisa found 20 on l line videos of dogs and horses pl laying where their interactions lasted at least 30 seconds.They analyzed the videos,looking for specific patterns of play.
They found that while playing,both dogs and horses often had relaxed,open mouths,which is a common playful facial expression in animals.Some also copied each others' movements,like pretending to bite,playing with an object,or rolling on their backs on the ground.The team also found that the dogs and horses copied each other's facial expressions.This behavior,called rapid facial mimicry(模仿),has been seen before in dogs and sun bears,points out National Geographic.
But it has never been documented between animals of different species.
“ A 2,000−pound horse can play with a relatively tiny dog because the two can communicate their intentions(意向).It's an important study because it shows how two animals who look and behave so differently can manage to discuss how to play in a way that's comfortable for both,” Barbara
Smuts,a behavioral ecologist at the University of Michigan,told A at ional Geographic.
29.How does a dog express his intention to play?
A.By bowing his back legs. B.By crossing his legs.
C.By waving his tail high. D.By raising his head.
30.What does Pala gi's study find?
A.Dogs like to play with horses best.
B.Dogs and horses imitate each other's actions.
C.Animals show happiness by opening their mouths.
D.Different animals have different patterns of play.
31.What's Smuts' attitude towards Pala gi's research?
A.Supportive. B.Doubtful. C.Opposed. D.Unconcerned.
答案：
29.C 细节理解题。根据第二段中的“When a dog comes up to another dog, front legs bowed or his tail high or wagging, his friend knows he wants to play.”可知，狗通过高摇尾巴来表达它想要玩耍的意图。
30.B 细节理解题。根据倒数第二段中的“Some also copied each others' movements, like pretending to bite, playing with an object...the dogs and horses copied each other's facial expressions.”可知，Palagi的研究发现了狗和马互相模仿对方的动作或表情。
31.A 推理判断题。根据最后一段中的“It's an important study because it shows...in a way that's comfortable for both.”可知，Smuts认为这是一项重要的研究，说明Smuts支持Palagi的研究。
30.B 细节理解题。根据倒数第二段中的“Some also copied each others' movements, like pretending to bite, playing with an object...the dogs and horses copied each other's facial expressions.”可知，Palagi的研究发现了狗和马互相模仿对方的动作或表情。
31.A 推理判断题。根据最后一段中的“It's an important study because it shows...in a way that's comfortable for both.”可知，Smuts认为这是一项重要的研究，说明Smuts支持Palagi的研究。
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