面向对象技术中,对象是类的实例。对象有三种成分:______、属性和方法(或操作)。

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问题:

面向对象技术中,对象是类的实例。对象有三种成分:______、属性和方法(或操作)。

A.标识

B.规则

C.封装

D.消息

考点:计算机软件水平考试中级软件设计师软件设计师
题型:单项选择题

0,3,2,5,4,7,( )

A.6

B.7

C.8

D.9

题型:单项选择题

Under the articles of association of Dundas Ltd, a farming company, the directors of the company require the consent of the general meeting by an ordinary resolution to borrow sums of money in excess of R100,000. The other articles are in the form of Table A.John has been appointed managing director of the company and he holds 1% of the issued shares of the company. Without seeking the approval of the members as required by the articles, John entered into a contract worth R200,000 with Farm Machinery Ltd to buy some agricultural machinery for use by Dundas Ltd in its farming operations. However, John holds shares in Farm Machinery Ltd, which subsequently paid him a personal commission of R20,000.Smart is the company secretary of Dundas Ltd. He hired a car from Superb Cars Ltd telling them that the car was being rented for company business. Smart asked Superb Cars Ltd to deliver the car to his home address, which they did. Smart then used the car for private purposes and has now disappeared without paying the hire charge.Required:Advise the directors of Dundas Ltd whether:(a) they are bound by the agreement with Farm Machinery Ltd and Superb Cars Ltd; and (5 marks)(b) Dundas Ltd has any claim on the commission paid to John. (5 marks)

题型:单项选择题

下列关于肾上腺病变MRI表现的描述,错误的是()

A.长T1WI、长T2WI信号,并且无强化的类圆形肿块,通常是肾上腺囊肿

B.较大的类圆形肿块,信号不均匀,并且呈明显均一的强化,多为嗜铬细胞瘤

C.不均质性肿块,高信号可以被脂肪抑制序列抑制的病变,可为肾上腺髓质瘤

D.肾上腺肿块T1WI和T2WI均和肝实质的信号相类似,可为肾上腺腺瘤或转移癌

E.MRI除了横断面外,可以矢状面和冠状面扫描,可以清楚地显示肾上腺病变

题型:单项选择题

采煤工作面风流中的二氧化碳浓度达到()%度时,必须停止工作,撤出人员。

A、1

B、1.5

C、1.7

D、2

题型:单项选择题

由列车前端至相对方向进站信号机或站界标止的一段线路,称为()。

A.接车进路

B.发车进路

C.通过进路

D.调车进路

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