试题题干
Fill in each of the following blanks with a word or an expression.
features are uniquely a part of human language and unlikely to be found in the communication systems of other creatures.
参考答案
试题解析
本题考查语言识别特征的含义。
语言的识别特征是人类语言的独特部分，不可能在其他生物的通信系统中找到。