2. 外语
  3. By saying no document is safe any more, the author probably means ______. The advantage of using banding patterns to trace docu

By saying no document is safe any more, the author probably means ______. The advantage of using banding patterns to trace docu

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问题 By saying no document is safe any more, the author probably means ______.
The advantage of using banding patterns to trace documents is that ______.
选项 A、it is economically affordable and technically practical
B、it strengthens the collaboration between printing companies
C、it makes printers cheaper and hard to be taken around
D、it is able to identify even the most specialized criminals
答案A
解析 由题干中的The advantage of using banding patterns to trace documents可以定位到原文第五段末句Using the banding patterns of printers to secure documents would be both cheap to implement and hard...。原文第五段末尾一句说“利用打印机频带模式来确保文件的安全性。不仅在安装上成本低，而且那些没有专业知识和硬件的罪犯很难，如果不是不可能的话，逃脱”。由此可以推测出利用频带模式追踪文件的优势在于经济上可以承受而且技术上可行。故A)含义与之相符，为正确答案。[避错]原文虽提及“Chiu博士正是在为了消除频带以提高打印质量而与打印机公司所进行的合作中”，但是并未提及印刷机公司的合作，故B)“这加强了印刷机公司的合作”排除；原文只是提及“利用打印机频带模式来确保文件的安全性在安装上成本低，”，并未提及印刷机的价格和携带，故排除C)；原文是说“那些没专业知识和硬件的罪犯很难逃脱”，并非指特殊的犯罪，故D)“这甚至可以鉴别最为特殊的犯罪”排除。
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大学英语六级

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