It seems that there’s a good reason why dogs are always seen as man’s best friend. Scientists have found that dogs are the only animals that can read emotion(情感)in faces much like humans. The finding suggests that like an understanding friend, dogs can see if we are happy, sad, pleased or angry.

When humans look at a new face, their eyes usually look across the left, falling on the right hand side of the person’s face first. A possible reason for this is that the right side of the human face is better at expressing emotions.

Scientists have now shown that pet dogs also have “left gaze bias(左视偏好)”, but only when looking at human faces. No other animal has been known to do like this before. Dr. Kun Guo with his team showed 17 dogs the pictures of human, dog and monkey faces as well as something else. The dogs’ eyes and heads show a strong left gaze bias when the animals see human faces. But this did not happen when they were shown other pictures, including those of dogs.

Guo suggests that over thousands of years living with humans, dogs may have developed the left gaze bias as a way to guess our emotions.

“Recent studies show that the right side of our faces can express emotions better than the left. If true, then it makes sense for dogs and humans to see the right hand side of a face first.”

1.Why are dogs seen as man’s best friend according to the passage?

A. Because dogs are the closest animals to humans.

B. Because dogs can read the emotions in humans’ faces easily.

C. Because dogs can understand us better when we feel sad.

D. Because dogs are good at expressing emotions.

2.The dogs’ left gaze bias helps them _______.

A. get along well with humans

B. express emotions quickly

C. have more understanding friends

D. remember more new faces

3.The passage mainly wants to tell us that _______.

A. dogs have been man’s best friends for thousands of years

B. humans have a “left gaze bias”

C. the “left gaze bias” works on all animals

D. dogs can read emotions the same as humans

阅读短文。从每题所给的A . B .C .三个选项中选出最佳答案。

Dick lived in England. One day in January he said to his wife, "I'm going to fly to New York next week because I've got some work there." "Where are you going to stay there?" his wife asked. "I don't know yet." Dick answered. "Please send me your address from there in a telegram (电报)," his wife said. "All right," Dick answered.

He flew to New York on January 31st and found a nice hotel in the center of the city. He put his things in his room and then he sent his wife a telegram. He put the address of his hotel in it.

In the evening he didn't have any work, so he went to a cinema. He came out at nine o'clock and said, "Now I'm going back to my hotel and have a nice dinner."

He found a taxi (出租车) and the driver said, "Where do you want to go?" But Dick didn't remember the name and address of his hotel.

"Which hotel are my things in?" he said, "And what am I going to do tonight?" But the driver of the taxi did not know. So Dick got out and went into a post office. There he sent his wife another telegram, and in it he wrote, "Please send me my address at this post office."

Choose the right answer

1. Dick flew to New York because ___.

A. he went there for a holiday

B. he had work there

C. he went there for sightseeing (观光)

D. his home was there

2. Why did his wife want a telegram from him?

A. Because she didn't know his address yet

B. Because she wanted to go to New York, too

C. Because she might send him another telegram

D. Because she couldn't leave her husband by himself in New York

3.Where did Dick stay in New York?

A. In the center of the city.

B. In a hotel.

C. In a restaurant.

D. At his friend's house.

4.Who would send him the name and address of his hotel?

A. The manager (经理) of his hotel. B. The police office.

C. The taxi driver. D. His wife.

5.Which of the following is not true?

A. Dick stayed at a nice hotel in the center of the city.

B. Dick didn't work on the first night of his arrival.

C. Dick forgot to send his wife a telegram.

D. Dick wanted to go back to his hotel in a taxi.

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