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问题 填空题

如果要把某文件中的长度分别为L1、L2、L3的3个逻辑记录L1、L2、L3依次写到磁盘上，而磁盘上的分块长度大于这3个逻辑记录的总长时，则可采用______。

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参考答案：成组操作

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书面表达（本部分1小题，共15分）

近年来, 中国的中学生中出现了“出国留学热”，出国留学也变得越来越低龄化，请你以Studying Abroad为题写一篇短文，词数80。内容包括：

列举出国留学的优缺点各两条；

你认为出国留学什么年龄才合适；

你自己对于出国留学持什么样的态度。

Studying Abroad

In recent years, studying abroad has been popular with Chinese high school students, even with junior middle school students.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________
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单项选择题

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 (1) documents. A significant proportion of them are moreover (2) 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 (3) information needs. In such a framework, further effective retrieval techniques are only part of the solution. Interfaces with alternative ways for organizing and (4) the results returned by a (5) 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.

4（）

A．seeing

B．searching

C．browsing

D．looking for
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