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问题 解答题

六（2）班人数的40%是女生，六（3）班人数的45%是女生，两班女生人数相等．那么六（2）班的人数______六（3）班人数．

答案

六（2）班人数×40%=六（3）班人数×45%，

则六（2）班人数：六（3）班人数=45%：40%=9：8，所以六（2）班的人数大于六（3）班人数；

故答案为：大于．

单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (71) of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (72) that it must meet. The starting point is usually a set of high-level requirements from the (73) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and the defines (74) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR) .
Following the SCR, the team derives (75) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis, the temn specifies the software functions and algorithms needed to satisfy each detailed requirements.

A．rules

B．principles

C．scenarios

D．scenes
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单项选择题

发现心肌梗塞的病人，必须及时、有效地进行救护，开展心脏挤压和人工呼吸，帮助病人恢复心跳和呼吸。并每隔（）检查病人的呼吸、脉搏及意识反应程度。

A.二十分钟

B.十分钟

C.三十分钟

D.四十分钟
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