2. 外语
  3. A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures a

A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures a

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问题 A computer equipped with signature-recognition software, which restricts access to a computer to those people whose signatures are on file, identifies a person’s signature by analyzing not only the form of the signature but also such characteristics as pen pressure and signing speed. Even the most adept forgers cannot duplicate all of the characteristics the program analyzes. Which of the following can be logically concluded from the passage above?
选项 A、The time it takes to record and analyze a signature makes the software impractical for everyday use.
B、Computers equipped with the software will soon be installed in most banks.
C、Nobody can gain access to a computer equipped with the software solely by virtue of skill at forging signatures.
D、Signature-recognition software has taken many years to develop and perfect.
E、In many cases even authorized users are denied legitimate access to computers equipped with the software.
答案C
解析 本题为归纳题型，很容易知(C)为正确答案。需要强调的是归纳题的选项出现新概念，一般不对。(A)中的the time，(B)中的in most banks均为新概念，所以不正确；(D)中的many years to developand perfect从上面推不出来；(E)和段落信息明显违背，因此也不可能是正确答案。
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