2. 外语
  3. A. function B. warning C. definition D. replacing E. express F. words G. deeds H. interpret I. limitless J. single K. bo

A. function B. warning C. definition D. replacing E. express F. words G. deeds H. interpret I. limitless J. single K. bo

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问题     A. function B. warning C. definition D. replacing E. express
    F. words G. deeds H. interpret I. limitless J. single
    K. boundless L. general M. ordinary N. distinguishes O. different
    A language is a signaling system which operates with symbolic vocal sounds, and which is used by a group of people for the purpose of communication.
    Let’s look at this【C1】______ in more detail because it is language, more than anything else, that【C2】______ man from the rest of the animal world.
    Other animals, it is true, communicate with one another by means of cries: for example, many birds utter【C3】______ calls at the approach of danger, monkeys utter【C4】______ cries, such as expressions of anger, fear and pleasure. But these various means of communication differ in important ways from human language. For instance, animals’ cries do not【C5】______ thoughts and feelings clearly. This means, basically, that they lack structure. They lack the kind of structure that enables us to divide a human utterance into【C6】______.
    We can change an utterance by【C7】______ one word in it with another: a good illustration of this is a soldier who can say, e.g., "tanks approaching from the north", and who can change one word and say "aircraft approaching from the north" or "tanks approaching from the west"; but a bird has a【C8】______alarm cry, which means "danger! "
    This is why the number of signals that an animal can make is very limited: the great tit is a case in point; it has about twenty different calls, whereas in human language the number of possible utterances is【C9】______. It also explains why animal cries are very【C10】______ in meaning.
【C8】
选项
答案J
解析 由空格前的a以及空格后的alarm cry，可知此处应填入形容词。上文提到人类可以通过替换单词，形成多个表达。本句的转折词but提示此处应表达“鸟类的警示叫声缺乏变化，类型单一”之意。此外再结合空格前的a以及空格后单数形式的cry，可知single“单一的”符合要求，故选J。
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