广西柳州铁路第一中学2015-2016学年高一英语上学(5)

of either the upper or lower half of a person's face. On one picture, the person looked happy. The other appeared angry.

The dogs were then shown images of the eyes or mouths of people they had never seen before. They were also shown the left half of the faces used in training.

Corsin Muller led the study. “We were really speaking, do they realize that smiling eyes have the same meaning as a smiling mouth, or angry eyes have the same meaning as an angry mouth? And it turned out that they really did perform very well in these research experiments.”

Once the dogs learned to recognize which image was happy or angry, they could easily find the same expressions in pictures of any face.

Corsin Muller says future studies will try to show whether dogs can learn the meaning of facial expressions―for example, whether a frown shows that someone is angry.

In the experiments, researchers found the dogs were slower to link a reward, or prize, with recognition of the angry face. This suggested that dogs had an idea people with angry faces were best avoided.

29. What does the passage mainly tell us?

A. How one can know his dog well. C. How a dog can tell one something. B. How a dog can probably be well trained. D. How a dog can know one’s expressions.

30. Hearing its owner’s strong, unkind voice, a dog is likely to_________.

A. jump happily B. act excitedly C. escape quietly D. shout loudly

31. A dog is able to recognize one’s __________.

A. praise B. blame C. anger D. all of the above

32. What can we learn from the passage?

A. Dogs are as clever as human beings. C. Dogs can be trained to do everything.

D

A young boy recently received an unexpected message in the mail from his father Joseph, who died two years ago.

Rowan's dad was a hardworking man who wanted to give his son the best life he could. It was why Rowan's mother, Julie Van Stone, said Joseph joined the Navy and went to MIT to get two masters degrees.

While at school in Boston, he would often write to Rowan. Even when he left school and was driving back to Colorado, he would send postcards from each state he stopped in. Those postcards were sent in 2007. "I remember him saying he had sent 5 or 6, and I only got 3 or 4 in the mail. But I never thought anything of it," Van Stone said.

Those postcards and pictures are priceless memories for Van Stone and her son, especially after Joseph passed away from a rare brain disease. Rowan never had a chance to say goodbye. But, on Saturday, just days before the two-year anniversary of Joseph's death, a postcard arrived in the mail. It arrived March 11, 2015. The message read: "Hello from Pennsylvania. I love you, B. Dogs can understand man’s feelings. D. Dogs can learn to make any angry face.