软件水平考试

（ ） is a property of object-oriented software by which an abstract operation may be performed in different ways in different classes. A.MethoD.B.Polymorphism C.Inheritance D.Encapsulation

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

A.MethoD.
B.Polymorphism
C.Inheritance
D.Encapsulation
参考答案和解析
答案：B
解析：
多态是面向对象的特征之一，它提供了一个抽象操作，在不同的类中能够执行不同的方法。A．方法 B．多态 C．继承 D．封装
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相似问题和答案

第1题：

（ ）iS a property of object—oriented software by which an abstract operation ma)’be performed in different ways in different classes． A．Method B．Polymorphism C．Inheritance D．Encapsulation


正确答案：B
多态性(Polymorphism)是一个对象的属性，使得在多个类中可以定义同一个操作或属性，并在每个类中可以有不同的实现。

第2题：

Idioms can be classified in different ways but the classification according to grammatical function is the most helpful way.()


参考答案：正确

第3题：

●Different quality factors of software can be reflected upon user's different points of view，through product running，product modification and product transformation．Of the following properties，which one is connected with product running? (67) ．

Ⅰ．Correctness

Ⅱ．Robustness

Ⅲ．re-use

(67) A．Ⅰ

B．Ⅱ

C．Ⅰ，Ⅱ

D．以上都是


正确答案：C
【解析】译文：软件的不同质量因素反映了使用者不同的视点。下列哪一个属性与产品可运行性相关？Ⅰ.正确性Ⅱ.健壮性Ⅲ.重用性。

第4题：

If a teacher asks students to list as many ways as they can to tell someone to open the door and list the possible functions of a sentence in different contexts, he / she is probably trying to highlight__________.

A．the potential meanings of a sentence
B．different realizations of the same function
C．the relationship between form and function
D．different ways of getting people to do the same thing

答案：C
解析：
考查语用学在英语教学中的运用。题目中教师让同学尽可能多地说出“打开门”这句话不同的表达形式，并列举出一句话在不同语境中可能的功能．这种行为是为了强调形式与功能的关系．故选C。

第5题：

Computer systems consist of two very different types of elements: Hardware, which includes all the physical things that can be touched and(71)which tells the hardware how to do.

A．Operating system

B．I/O devices

C．Courseware

D．Software


正确答案：D
解析：计算机系统由两种完全不同类型的部分组成：硬件(我们能触摸到的所有物体)和软件(告诉硬件怎样做)。

第6题：

There are more and more ______ of software for accounting, this has made the different types of software more accessible in terms of costs and variety.

A manufacturers ;

B manufacturing ;

C manufactures


参考答案:C

第7题：

Different quality factors of software can be reflected upon user's different points of view, through product running, product modification and product transformation. Of the following properties, which one is connected with product running?(67).

Ⅰ. correctness

Ⅱ. robustness

Ⅲ. re-use

A．Ⅰ

B．Ⅱ

C．Ⅰ, Ⅱ

D．以上都是


正确答案：C
解析：译文：软件的不同质量因素反映了使用者不同的视点。下列哪—个属性与产品可运行性相关?Ⅰ.正确性Ⅱ.健壮性Ⅲ.重用性。

第8题：

Object-oriented analysis(OOA)is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is(71). It determines how the various results are computed by the product and presents this information in the form. of a(72)and associated scenarios. The second is(73), which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is(74), which determines the actions performed by or to each class or subclass and presents this information in the form. of(75).

A．use-case modeling

B．class modeling

C．dynamic modeling

D．behavioral modeling


正确答案：A

第9题：

Where the cargo can be loaded in two different ways，one of which is more economical of space than the other，but each of which is a usual method of loading cargo of the relevant type，the Charterer ______ in whichever of these ways he pleases，unless he is expressly forbidden so to do by the charter-party．

A.Has to load

B.Can load

C.Loads

D.Is loaded by


正确答案：B

第10题：

There are many different ways of presenting grammar in the classroom. Among them, three are most frequently used and discussed. Which one does not belong to them?

A．The deductive method
B．The inductive method
C．The guided discovery method
D．The productive method

答案：D
解析：
考查语法教学方法。常用的三种语法教学法有：演绎法(The deductive method)、归纳法(The inductive method)和指导发现法(The guided discover),method)。因此答案为D。

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