[单项选择] 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 【B1】 in mom detail because it is language, more than anything else, 【B2】 distinguishes man from the rest of the 【B3】 world. Other animals, it is true, communicate with one another by 【B4】 of cries: for example, many birds utter 【B5】 calls at the approach of danger; monkeys utter 【B6】 cries, such as expressions of anger, fear and pleasure. 【B7】 these various means of communication differ in important ways 【B8】 human language. For instance, animals’’ cries do not 【B9】 thoughts and feelings dearly. This means basically that they lack structure. They lack the kind of structure that 【B10】 us to divide a human utterance into 【B11】 We can change an utterance 【B12】 one word in it with 【B13】 a good illustration of this is a soldier who can say, e.g., "tanks approaching from the north", 【B14】 who can change one
A. mating
B. exciting
C. warning
D. boring

[填空题] A language is a signaling system which operates with symbolic vocal sounds (语声), and which is used by a group of people for the purpose of communication. Let’’s look at this (61)______ in more detail because it is language, more than anything else, (62)______ distinguishes man from the rest of the (63)______ world. Other animals, it is true, communicate with one another by (64)______ of cries: for example, many birds utter (65)______ calls at the approach of danger; monkeys utter (66)______ cries, such as expressions of anger, fear and pleasure. (67)______ these various means of communication differ in important ways (68)______ human language. For instance, animals’’ cries do not (69)______ thoughts and feelings clearly. This means, basically, that they lack structure. They lack the kind of structure that (70)______ us to divide a human utterance into (71)______ We can change an utterance by (72)______ one word in it with (73)______ : a good illustration of this is a
A. A．classification
B．definition
C．function
D．perception