2. 外语
  3. A language is a signaling system which operates with symbolic vocal sounds, and which is used by a group of people for the purpo

A language is a signaling system which operates with symbolic vocal sounds, and which is used by a group of people for the purpo

admin2009-01-05  63
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.
【C4】
选项 A、ways
B、means
C、methods
D、approaches
答案B
解析 by means of是固定词组，指“依靠”，例如：To be prepared for war is one of the most effective means of preserving peace．做好战争的准备，是保持和平最有效的办法。另外，该短语也和下文的"various means"呼应。
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