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问题 填空题

一个带分数，整数部分是最小的奇数，分子是最小的质数，分母是最大的一位数，这个带分数是______，它的分数单位是______．

答案

根据奇数、质数、及分数单位的意义，这个带分数是1

2
9
，其分数单位是
1
9
．

故答案为：1

2
9
，
1
9
．

单项选择题

Extreme Programming (XP) is a discipline of software development with (71) of simplicity, communication, feedback and courage. Successful software development is a team effort - not just the development team, but the larger team consisting of customer, management and developers. XP is a simple process that brings these people together and helps them to succeed together. XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location. The principles of XP apply to any (72) project that needs to deliver quality software rapidly and flexibly.

An XP project needs a (73) customer to provide guidance. Customers, programmers, managers, are all working (74) to build the system that’s needeD．Customers - those who have software that needs to be developed - will learn simple, effective ways to (75) what they need, to be sure that they are getting what they need, and to steer the project to success.

（72）处应填（）。

A．small-sized

B．moderately-sized

C．large-sized

D．huge-sized
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单项选择题

卷板机上的轴辊数目最多是（）。

A、2根

B、3根

C、4根

D、5根
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