题目内容

关于对象概念的描述中,______ 是错误的

A. 对象就是C语言中的变量
B. 对象是状态和操作的封装体
C. 对象之间的信息传递是通过消息进行的
D. 对象是某个类的一个实例

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以下说法错误的是 ______。

A. 采用面向对象方法开发软件的基本目的和主要优点是通过重用提高软件的生成率
B. 在面向对象的程序中,对象是属性(状态)和方法(操作)的封装体
C. 在面向对象的程序中,对象彼此间通过继承和多态性启动响应的操作
D. 继承和多态机制是面向对象程序中实现的主要手段

2,6,8,24,16,48,21,( )

A. 57
B. 60
C. 63
D. 64

The house and carriage is a thing of the past. but love and marriage are still with us and still closely interrelated. Most American marriages, (21) first marriages uniting young people, are the result of mutual attraction and affection (22) than practical considerations.In the United States, parents do not (23) marriages for their children. Teenagers begin dating in high school and usually find mates through their own academic and social (24) (25) young people feel free to choose their friends from (26) groups, most choose a mate of similar (27) This is due in part to parental guidance. Parents cannot (28) spouses (配偶) for their children, but they can usually (29) choices by voicing disapproval of someone they consider unsuitable.(30) , marriages between members of different groups (interclass, interfaith, and interracial marriages) are (31) , probably because of the greater mobility of today’s youth and the fact that they are (32) by fewer prejudices than their parents. Many young people leave their hometowns to attend college, serve in the armed forces, (33) pursue a career in a bigger city.Once away from home and family, they are more (34) to date and marry outside their own social group.In mobile American society, interclass marriages are neither (35) nor astonishing. Interfaith marriages are (36) the rise, especially between Protestants (基督教徒) and Catholics ( 天主徒). On the other hand, interracial marriages are still very (37) . It can be difficult for interracial couples to find a place to live, maintain friendships, and (38) a family. Marriages between people of different national (39) (but the same race and’ religion) have been commonplace here (40) colonial times. 24().

A. position
B. association
C. contract
D. contacts.

若有int(*p)[3]:则以下表述中正确的是 ______。

A. p是一个指向具有3个元素的整型数组的指针
B. p是一个指向int型变量的指针
C. p是一个有3个元素的指针数组,每个元素是一个int型指针
D. p是一个具有3个int型元素的一维数组

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