B．simply

　　44．A.forgotten

　　B．buried

　　C．eaten

　　D．remembered

　　Ⅶ.语法填空

　　阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

　　in a movie, or even in someone's home. The parrot has learned 45.________ (copy) sounds that people make. Dolphins,

　　and some apes also copy sounds. Now we can add elephants 46.________ this list of copycats (模仿者)．

　　47.________ studies the sounds of elephants. While she was in Kenya, she would hear strange noises 48.________ (make) by Mlaika after the sunset. Mlaika was 49.________ 8­year­old African elephant 50.________ it lived near a highway.

　　Dr Poole says that she couldn't tell the difference between Mlaika's call and the 51.________ (distance) truck noise. Why did 52.________ copy the sounds of the trucks driving by? Animals that are able to copy sounds may enjoy 53.________ (practise) new sounds. When they are kept outside of their natural environment, they may copy unusual sounds.

　　So far Dr Poole 54.________ (spend) 18 years with two female Asian elephants. Asian elephants make sounds like birds to talk with one another.

　　Parrots, dolphins, humans, and elephants show that being a copycat is one way that animals and people make new friends and keep old ones.

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