2. 计算机
  3. In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.It is more and mo

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.It is more and mo

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问题 In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.It is more and more usual that users of Information Retrieval(IR)systems must face up to  response of hundreds or thousands of(66)documents. A significant proportion of them are moreover(67)or redundant. This is a straight consequence of two well - known facts: the incessant growing of documental databases and the lack of ability of most users to define(68)information needs. In such a framework, further effective retrieval techniques are only part of the solution. Interfaces with alternative ways for organizing and(69)the results returned by a(70)would be of great utility assisting users to find relevant documents. Document clustering may play a central role as an effective technique for organizing query results.
选项 A、search engine
B、search tools
C、database
D、computer
答案A
解析 这里是指搜索引擎。
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