A language is a signaling system which operates with symbolic vocal sounds,

游客2024-11-02  1

问题      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 mom detail because it is language, more than anything else,【C2】______ distinguishes man from the rest of the【C3】______ world.  
     Other animals, it is true, communicate with one another by【C4】______ of cries: for example, many birds utter【C5】______ calls at the approach of danger; monkeys utter【C6】______ cries, such as expressions of anger, fear and pleasure.【C7】______ these various means of communication differ in important ways【C8】______ human language. For instance, animals’ cries do not【C9】______  thoughts and feelings dearly. This means basically that they lack structure. They lack the kind of structure that【C10】______ us to divide a human utterance into【C11】______ We can change an utterance 【C12】______ one word in it with  【C13】______   a good illustration of this is a soldier who can say, e.g., "tanks approaching from the north",【C14】______ who can change one word and say "aircraft approaching from the north" or "tanks approaching from the west"; but a bird has a single alarm cry,【C15】 ______ means "danger!"
     This is why the number of【C16】______ that an animal can make is very limited: the great tit is a case【C17】______ point; it has about twenty different calls,【C18】______ in human language the number of possible utterances is【C19】______ It also explains why animal cries are very【C20】______  in meaning. [br] 【C15】

选项 A、this
B、that
C、which
D、it

答案 C

解析 这里which引导的是非限制性定语从句,例如:In human life there is nothing,which prospers to the end.在人类生活中,没有什么事是永远繁荣的。
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