[单选题]The project（）is a key input to quality planning since it documents major project deliverables, the project objectives that serve to define important stakeholder requirements,thresholds, and acceptance criteria.

正确答案 ：B

scope statement

解析：该题的关键词为"major project deliverables、the project objectives"，其语句结构为"The project (主语)is（谓语）akey input to quality planning(表语)since it documentsmaj or proj ect deliverables，the project objectives（原因状语从句）"，含义为"项目的什么是质量计划的一个关键输入，因为它记录了主要的项目交付物和项目目标"，容易判断出应该为项目范围说明书的作用，应该选择选项B。

[单选题]（）is a property of object-oriented software by which an abstract operation may be performed in different ways in different classes.

正确答案 ：B

Polymorphism

解析：该题的关键词为"an abstract operation、 performed in different ways in different classes"，其语句结构为"（）is a property of object-oriented software"，含义为"什么是面向对象软件的一个特性"，结合关键词分析，容易判断这是面向对象中的多态性概念(Polymorphism)。

[单选题]The connection between two networks from an intemet is handled by a machine known as a（）

正确答案 ：C

router

查看原题 查看所有试题