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导语：以下英语网为大家整理了全面的职称英语考试历年真题及答案解析，《职称英语考试试题汇总：历年真题及答案解析》供大家参考学习。更多职称英语考试试题敬请关注英语网！ 【推荐】关注英语网微信：yingyuwang2013，更快获取真题答案及成绩查询信息。 第6部分：完形填空(第51～65题，每题1分，共15分) 下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。 Biological Identification Technologies When a person walks，the movement of his head，trunk，and limbs(肢体)are all reflected in changes in his body.A computer stores these (51)into a database(数据库).Later，the computer can accurately (52)him according to these changes.This is a new biological identification (53) and it can quickly identify an examinee without disturbing him. Everybodys voice is (54).When a persons voice is recorded by an instrument，his voice frequency spectrum(频谱)is called sound print. (55) a fingerprint.everybodys sound print is different.How can a computer (56) his sound? First, his voice is recorded, (57) allows the computer to become familiar with his voice.It will then turn his sound characteristics into a series of digits(数字).These are the (58)on which the computer can distinguish his voice from anothers. | 
