2. 职称考试
  3. 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 Technologie...

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 Technologie...

admin2020-12-24  24
问题 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 ____________ (1 ) into a database （数据库）. Later, the computer can accurately _______ (2) him according to these changes. This is a new biological identification ____________ (3) and it can quickly identify an examinee without disturbing him.
Everybody’s voice is ____________ (4). When a person’s voice is recorded by an instrument his voice frequency spectrum （频谱）is called sound print. ____________ (5) a fingerprint, everybody’s sound print is different. How can a computer ____________ (6) his sound?
First, his voice is recorded, ____________ (7) 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____________ (8) on which the computer can distinguish his voice from another's.
We often bring ID cards, work cards, or driving licenses with us to ____________ (9) our identity. If all these cards are forgotten or lost, how can we prove whom we are? In (10) ， it’s not difficult to prove whom you are ， _________ (11) your body itself has identifying markers. Some are physiological （生理的） features，such as fingerprints ， sounds ， facial（面部的）types and eye color. The computer can ____________(12) to identify you. Suppose your features have already been ____________ (13) in the database. To identify you, we have to take your picture with a camera and send it to a computer for ____________ (14). First, the computer needs to reposition this picture according to the position of your eyes, and then starts to read the ____________ (15) of your physiological features such as the ratio of your pupil to the whites of your eyes and the shape of your nose. Next, it seeks matching records from the database. Finally, it makes a decision.
(4)
选项 A soft
B lound
C unique
D clear
答案C
解析
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