The elephants used their long noses to find what was behind it，and to examine parts of their bodies.

　　Of the three, Happy then passed the test，in which a clear mark was painted on one side of her face. She could tell the mark was there by looking in the mirror, and she used the mirror to touch the mark with her long nose.

　　Diana Reiss said，“We knew elephants were intelligent, but now we can talk about their intelligence in a better way.”

　　文章通过实验说明能意识到自身形象的动物具有高智商。

　　1. What can mirror tests tell us about animals?

　　A. Whether they have large brains.

　　B. Whether they have self­awareness.

　　C. Whether they enjoy outdoor exercises.

　　D. Whether they enjoy playing with mirrors.

　　答案：B。细节理解题。由文章第二段第一句话“Awareness can be tested by...”可知B项正确。

　　2. Why does the author mention apes and dolphins in the text?

　　A. They are most familiar to readers.

　　B. They are big favorites with zoo visitors.

　　C. They are included in the study by Reiss.

　　D. They are already known to be intelligent.

　　答案：D。推理判断题。由第二段最后一句可知人们已经知道apes和dolphins是聪明的。

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