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  3. Humanity’s primal (原始的) efforts to systematize the concepts of size, shapes, and number are usually regarded as the earliest mat

Humanity’s primal (原始的) efforts to systematize the concepts of size, shapes, and number are usually regarded as the earliest mat

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问题     Humanity’s primal (原始的) efforts to systematize the concepts of size, shapes, and number are usually regarded as the earliest mathematics. However, the concept of number and the counting process developed so long【C1】______ the time of recorded history (there is archaeological【C2】______   that counting was employed by humans as far back as 50,000 years ago) that the【C3】______ of this development is largely conjectural (好推测的). Imaging how it probably came【C4】______ is not difficult. The argument that humans,  【C5】______ in prehistoric times, had some number sense, at least【C6】______ the extent of recognizing the concepts of more and less when some objects were【C7】______ to or taken away from a small group, seems fair, for studies have shown that some animal possesses such a【C8】______ .
    With the【C9】______ evolution of society, simple counting became necessary. A tribe had to know how many members it had and how many enemies, and shepherd needed to know【C10】______ the flock of sheep was decreasing in size. Probably the earliest way of keeping a count was by some simple tally (计算, 记录) method,【C11】______ the principle of one-to-one corre-spondence. In【C12】______ a count of sheep,  for example, one finger per sheep could be【C13】______ . Counts could also be【C14】______ by making scratches in the dirt or on a stone, by cutting notches in a piece of wood, or by tying knots in a string.【C15】______  , perhaps later, an assortment of vocal【C16】______ was developed as a word tally against the number of objects in, a small group. And【C17】______ later, with the development of writing, a set of【C18】______ was invented to stand for these numbers. Such an imagined development is【C19】______ by reports of anthropologists in their studies of present-day societies that are【C20】______ to be similar to those of early humans.  
【C16】
选项 A、noises
B、sounds
C、voices
D、rhythms
答案B
解析 语义衔接题。此句是说后来发展了一种用声音来计数的方法。A项noise：意为“噪音。喧闹声”。常指不悦耳、不和谐的嘈杂声；B项sounds作“声音，响声”讲时。可以指入或动物发出的声音，或物体碰撞的声音，这个词的使用范围很大。可以说．大自然的任何“声音”都可以用sound；C项 voices 一般指人的声音、说话、唱歌、谈笑都可用 voice。sound和noise不仅能指人的声音。还可以表示别的动物发出的声音；而voice 除了有时可指鸟的声音外，很少表示其他动物的声音；D项rhythms 指音律。此处的
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