中央电大开放教育学习指南答案.doc
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1、e child grasps the purpose of the programD. the program is of help to childrens understanding of parentsPassage Two Dieting to lose weight has become very popular in recent years. People have become more health conscious and try to take better care of their bodies by eating more nutritiously (有营养地)
2、and exercising more regularly to lose any unnecessary fat that they may have.Not only are people being more careful about what they eat, they are also concerned with how they eat and how their meals are prepared. People are taking more time for each meal. Many avoid the so called plastic fast-food h
3、amburgers and choose to eat a salad or a sandwich of more healthful ingredients(成分) in a quiet restaurant with a more leisurely atmosphere. At home, they also try to take enough time to eat a relaxed dinner without phone or TV interruptions.While dieting may be viewed as beneficial, it has also beco
4、me a serious problem for Americans, particularly for young women. Dieting for them has actually become a psychological addiction(依赖)They eat so little that they can lose as much as fifty percent of their total body weight, and although they look like skeletons, they still insist that they are fat.Th
5、e current waves of exercising, dieting and the problems produced have caused many organizations to begin educating the public. Many schools, hospitals, health organizations, newspapers and magazines, for example, are offering classes, printing booklet articles, etc. to inform the public of the way t
6、o exercise and diet, of the dangers of dieting too rapidly, and of the places people can go for medical help if they find themselves on the road to diet addiction.11. These days people are dieting more because A they have become fatter and fatterB they have realized the danger of eatingC they have b
7、ecome more health consciousD they have taken better care of themselves12. What changes have people made in the atmosphere of mealtime? A. They are taking more time for each meal.B. They are eating in quiet restaurants with more leisurely atmosphere.C. At home they are eating without phone or TV inte
8、rruptions. D. All of the above.13. “They look like skeletons” in the third paragraph most probably means A. they are very pretty B. they are very uglyC. they are too thin D. they are starving14 the main idea of the last paragraph is about A how the organizations try to help people with dieting addic
9、tionB what kind of mediums can be used to educate the publicC where people with dieting addiction can go to ask for helpD what causes the organizations to begin educating the public15, According to this passage, we can infer that the atmosphere of eating has something to do with A. dietingB. manners
10、C. healthD. exercising词汇与语法16, If I do not the phone home, ring me at work.A. replyB. returnC. respondD. answer17 He opened the letter and it contained .A an import试卷代号:3354中央广播电视大学2000一2001学年度第二学期期末补考计算机九九级第四学期网络操作系统试题 2001年9月一、选择题(请将所选答案的代码,填入括号中)(每小题2分,共20分) 1、关于第三代计算机网络操作系统的正确叙述是( ) A是一种面向终端的网络操
11、作B以通信子网为中心,以用户资源网的管理为主体 C是开放互连系统 D以分组交换为资源共享的主要手段2、以下哪一种不属于基于网络操作系统之上的应用( )A用户可以在授权的机器上使用文件的访问控制功能 B虚拟旅游C计算机虚拟内存的管理D航天飞机的控制 3、常用的网络操作系统有( ) A IPXSPX B Sun SOLARIS C DOS D NETBIOS 4、以下关于域控制器的说法哪个是正确的( ) A 主域控制器用于创建域用户、维护域的安全策略,并用于验证用户的登录 B PDC惟一持有目录数据库 C 在BDC中允许对目录数据库进行任何修改 D 一个域中可以有多个PDC5、委托关系是指( )A
12、 A计算机将任务委托给日计算机执行B A计算机将所有资源委托给日计算机进行管理C 用户只要拥有一个帐号,就可以访问多域的整个网络资源D 委托关系具有可传递性6、计算机中必须配置以下哪种地址才能进行数据交换( )A IP地址B IPX地址B MAC地址D 完全域名7、UNIX网络操作系统中,用于记录用户有关信息的是( )A专用数据库B不可读的一系列密码文件C目录数据浑D是几个文本文件8、UNIX的文件系统( )A与Windows NT文件系统一样用盘符来构建B不可以覆盖多个磁盘上的多个分区C新的分区安装到老的目录中时,不需重新配置或重新安装D以上说法都不完全9、NETWARE中的目录是指( )A
13、文件目录B用户目录C容器目录D对象目录10、关于对NDS的不正确叙述是( )A 客户机都必须通过NDS访问获得网络服务B NDS就是Windows NT中的目录数据库C NDS是指NETWARE中对象数据库服务D计算机也是DNS中的一个对象二、填空题(每空2分,共42分) 1指出常用的三类网络操作系统 、 、 。 2,域是指 所有计算机的组合。 3在Windows NT中,用户帐号分为 和 两种。 4在委托中,用户帐号所在的域称为 ,资源所在的域称为 。 5Windows NT中对多个磁盘的管理方法有 、 、 。 6 Windows NT中的网络组件包括三个层次 、 、 。7 UNIX操作系统
14、中增加用户或组可以通过命令行命令,也可以通过修改 文件及相关操作来完成。 8 UNIX操作系统中,主机之间的用户与资源达到信任的方法是 。 9 NDS中的对象有 、 、 三类。 10 NETWARE操作系统中自带的通信协议为 。 11在Netware中通过 负责统一管理网络资源。三、简答题(共38分)1、 请简述并比较各种域模式。(10分)2、 简述 NetBIOS、 Nwlink、 TCP/IP协议的作用。(10分)3、 为什么在Windows NT中可以支持多块物理网卡、一块网卡可以支持多种协议并构成多年逻辑网卡。(9分)4、 UNIX 中实现数据共享的主要组件有哪些。(9分)试卷代号:3
15、354 中央广播电视大学2000一2001学年度第二学期期末补考 计算机九九级第四学期网络操作系统 试题答案及评分标准 (供参考) 2001年9月一、选择题(每小题2分,共20分) 1C 2C 3B 4A 5C 6C 7D 8C 9D 10B二、填空题(每空2分,共42分) 1Windows NT UINX NETWARE 2共享目录数据库 3全局帐号 本地帐号 4受托域(帐号域) 委托域(资源域) 5卷 带区集 镜像磁盘 6网卡驱动程序 协议 文件系统驱动程序 7 passwd 8修改etchosts。 equiv文件 9根 容器 叶 10IPXSPX 11ConsoLe ONE三、简答题(
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