题目内容

对象是面向对象开发模式的(47)。每个对象可用它自己的一组(48)和它可执行的一组(49)来表征。应用执行对象的(49)可以改变该对象的(48)。
(74)

A. 基本单位
B. 最小单位
C. 最大单位
D. 语法单位

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Most computer systems are (71) to two different groups of attacks：insider attacks and outsider attacks．A system that is known to be (72) to an outsider attack by preventing(73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users．Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment,but also helps to prevent future attacks．These attacks are usually (75) by tools referred to as Intrusion Detection Systems．
(77)

A. vulnerable
B. week
C. helpless
D. sensitively

OMT(Object Modelling Technique)方法的第一步是从问题的陈述入手，构造系统模型。系统模型由对象模型、(31)组成。对象模型是从实际系统导出的类的体系，即类的属性、子类与父类之间的继承关系及类之间的(32)关系。
(58)

A. 静态模型和功能模型
B. 动态模型和过程模型
C. 动态模型和功能模型
D. 静态模型和操作模型

内存地址从AC000H到C7FFFH，共有(3)个地址单元，如果该内存地址按宇(16bit)编址，由28块芯片构成。已知构成此内存的芯片每片有16K个存储单元，则该芯片每个存储单元存储(4)位。
(50)

A. 96
B. 112
C. 132
D. 156

According to the passage, the death rate of colorectal in the United States and Europe is

A. 40%
B. 45%
C. 50%
D. 55%