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问题 选择题

下列标点符号使用没有错误的是 [ ]

A、不幸又有一处中断，背不去；经他再提一字，再打一下。

B、就在这里睡觉？怎么行呢？下去到竹林里睡是不可能的。

C、我这些课本，语法啦、历史啦，刚才我还觉得讨厌，现在都好像是我的老朋友。

D、“什么任务能比救人还要紧？”医生指着担架：“我们也要救人哪！”

答案

答案：C

单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (6) 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 (7) that it must meet. The starting point is usually a set of high-level requirements from the (8) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and then defines (9) showing how the system will be operated, publishes the system and operations concept document, and conducts a system concept review (SCR).
Following the SCR, the team derives (10) requirements for the system from the high level requirements and the system and operations concept. Using structured or object-oriented analysis the team specifies the software functions and algorithms needed to, satisfy each detailed requirement.

A．function

B．definition

C．specification

D．statement
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单项选择题

土壤肥力指土壤能够持续不断供给植物生长所必需的（），协调它们之间的矛盾及抵抗不良自然环境的能力。

A.水、肥、气

B.肥、气、热

C.水、气、热

D.水、肥、气、热
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