题目内容

面向对象的设计原则包括（）。

A. 弱耦合、弱内聚
B. 弱耦合、强内聚
C. 强耦合、强内聚
D. 强耦合、弱内聚

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Questions 1 to 8 are based on the conversation you have just heard.

A. The first house they saw is too expensive.
B. They may save some money for the time being.
C. She is happy with price set by the seller.
D. Less money will be spent in maintaining the house.

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m个进程（Pi，0≤i≤m-1）通过k个等长的缓冲区（Bi，0≤i≤k-1）向n个进程（Qi，0≤i≤m-1）发送消息。每个进程Pi发送消息的顺序与数量不受限制，每个进程Qi接收消息的顺序与数量也不受限制，但发送进程与接收进程作为两个分别的整体，要求消息发送与接收的整体次序相同。为保证消息发送与接收的充分并行，需要设置（）。

A. 3个信号量，初值分别为1，1，0
B. 4个信号量，初值分别为1，0，1，0
C. 3个信号量，初值分别为k，1，0
D. 4个信号量，初值分别为k，1，0，1

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设链式栈中结点的结构为(data，link)，且top是指向栈顶的指针。若想摘除链式栈的栈顶结点，并将被摘除结点的值保存到x中，则应执行的操作是（）。

A. x=top-＞data；top=top-＞link；
B. top=top-＞link；x=top-＞data；
C. x=top；top=top-＞link；
D. x=top-＞data；

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(66) method is the use of a data processing system to represent selected behavioral (67) of a physical or abstract system. For example, the representation of air streams around airfoils at various velocities, temperatures, and air pressures with such a system.Emulation method is slightly different, it uses a data processing system to imitate another data processing system, so that the imitating system accepts the same data, executes the same programs, and achieves the same (68) as the imitated system. Emulation is usually achieved (69) hardware or firmware. In a network, for example, microcomputers might emulate terminals (70) communicate with mainframe. （69）处填（）。

A. relying on
B. according to
C. by means of
D. dependent on

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面向对象的设计原则包括（）。

A. 弱耦合、弱内聚 B. 弱耦合、强内聚 C. 强耦合、强内聚 D. 强耦合、弱内聚

Questions 1 to 8 are based on the conversation you have just heard.

设链式栈中结点的结构为(data，link)，且top是指向栈顶的指针。若想摘除链式栈的栈顶结点，并将被摘除结点的值保存到x中，则应执行的操作是（）。

A. 弱耦合、弱内聚
B. 弱耦合、强内聚
C. 强耦合、强内聚
D. 强耦合、弱内聚