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问题 单项选择题

货币的形式是不断发展变化的，这一过程先后经历了（）。

A.实物货币、纸币、金属货币、信用货币

B.金属货币、实物货币、纸币

C.实物货币、金属货币、信用货币

D.实物货币、信用货币、金属货币、纸币

答案

参考答案：C

填空题

调节托盘天平横梁平衡时，若观察到指针如图所示情况，可将天平的平衡螺母向 ______ 移动，就能使天平横梁平衡．某同学用调节好的托盘天平测量一个铁钉的质量，当把一只最小的砝码加入右盘时右盘下沉，而取出这只最小的砝码左盘又下沉，这时应通过 _______ 使天平平衡，从而测出铁钉的质量．
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单项选择题

Starting with his review of Skinner’s Verbal Behavior, Noam Chomsky had led the psycholinguists who argue that man has developed an innate (天生的) capacity for dealing with the linguistic universals common to all languages. Experience and learning then provide only information about the (1) instances of those universal aspects of language which are needed to communicate with other people within a particular language (2) .

This linguistic approach (3) the view that language is built upon learned associations between words. What is learned is not strings of words per se (本身), but (4) rules that enable a speaker to (5) an infinite variety of novel sentences. (6) single words are learned as concepts: they do not stand in a one-to-one (7) with the particular thing signified, but (8) all members of a general class.

This view of the innate aspect of language learning is at first not readily (9) into existing psychological frameworks and (10) a challenge that has stimulated much thought and new research directions. Chomsky argues that a precondition for language development is the existence of certain principles "intrinsic (原有的) to the mind" that provide invariant structures (11) perceiving, learning and thinking. Language (12) all of these processes; thus its study (13) our theories of knowledge in general.

Basic to this model of language is the notion that a child’s learning of language is a kind of theory (14) . It’s thought to be accomplished (15) explicit instruction, (16) of intelligence level, at an early age when he is not capable of other complex (17) or motor achievements, and with relatively little reliable data to go on. (18) , the child constructs a theory of an ideal language which has broad (19) power. Chomsky argues that all children could not develop the same basic theory (20) it not for the innate existence of properties of mental organization which limit the possible properties of languages.

19（）

A.instinctive

B.addictive

C.tentative

D.predictive
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