全国计算机等级考试四级笔试试卷
网络工程师
一、选择题（每小题1分，共40分）
下列各题A）、B）、C）、D）四个选项中，只有一个选项是正确的，请将正确的选项涂写在答题卡相应位置上，答在试卷上不得分。
(1)按照ITU标准，传输速率为155.520Mbps的标准是
A）OC-3 B）OC-12 C)OC-48 D)OC-192
(2)下列关于RPR技术的描述中，错误的是
A)RPR能够在50ms内隔离出现故障的节点和光纤段
B)RPR环中每一个节点都执行SRP公平算法
C)两个RPR节点之间的裸光纤最大长度为100公里
D)RPR用频分复用的方法传输IP分组
(3)以下关于IEEE802.16协议的描述中，错误的是
A)802.16主要用于解决城市地区范围内的宽带无线接入问题
B)802.16a用于移动结点接入
C)802.16d用于固定结点接入
D)802.16e用于固定或移动结点接入
(4)下列关于xDSL技术的描述中，错误的是
A)xDSL技术按上行与下行速率分为速率对称与非对称两类
B)ADSL技术在现有用户电话线上同时支持电话业务和数字业务
C)ADSL上行传输速率最大可以达到8Mbps
D)HDSL上行传输速率为1.544Mbps
(5)下列关于服务器技术的描述中，错误的是
A)对称多处理技术可以在多CPU结构的服务器中均衡负载
B)集群系统中一台主机出现故障时不会影响系统的整体性能
C)采用RISC结构处理器的服务器通常不采用Windows操作系统
D)采用RAID技术可提高磁盘容错能力
(6)一台交换机具有48个10/100Mbps端口和2个1000Mbps端口，如果所有端口
都工作在全双工状态，那么交换机总带宽应为
A) 8.8Gbps B) 12.8Gbps C) 13.6Gbps D) 24.8Gbps
(7)服务器系统年停机时间为8.5小时，系统可用性可以达到
A)99% B)99.9% C)99.99% D)99.999%
(8)IP地址块211.64.0.0/11的子网掩码可写为
A) 255.192.0.0 B) 255.224.0.0
C) 255.240.0.0 D) 255.248.0.0
(9)某企业产品部的IP地址块为211.168.15.192/26，市场部的为
211.168.15.160/27，财务部的为211.168.15.128/27，这三个地址块经聚合后的地址为
A)211.168.15.0/25 B)211.168.15.0/26 C)211.168.15.128/25
D)211.168.15.128/26
(10)IP地址块59.67.79.128/28、59.67.79.144/28和59.67.79.160/27经
聚合后可用地址数为
A)62 B)64 C)126 D)128
(11)下列对IPv6地址FF23:0:0:0:0510:0:0:9C5B的简化表示中，错误的是
A)FF23::0510:0:0:9C5B B)FF23:0:0:0:0510::9C5B
C)FF23:0:0:0:051::9C5B D)FF23::510:0:0:9C5B
(12) 将专用IP 地址转换为公用IP 地址的技术是
A)ARP B)DHCP C)UTM D)NAT
(13) R1、R2是一个自治系统中采用RIP 路由协议的两个相邻路由器，R1的路
由表如图a 所示，当R1收到R2发送的如图b 的（V ，D ）报文后，R1更新的
路由表项中距离值从上到下依次为0、4、4、3
图
图b
那么，○1○
2○3○4可能的取值依次为 A)0、5、4、3 B)1、3、4、3 C)2、3、4、1 D)3、4、3、3
(14) 不同AS 之间使用的路由协议是
A)BGP-4 B)ISIS C)OSPF D)RIP
(15) 下列关于局域网设备描述中，错误的是
A)中继器工作在MAC 层
B)连接到一个集线器的所有结点共享一个冲突域
C)交换机在源端口与目的端口间建立虚连接
D)网桥的主要性能指标包括帧转发速率和帆过滤速率
(16) 下列关于综合布线系统的描述中，错误的是
A)STP 比UTP 的抗电磁干扰能力强
B)管理子系统提供与其他子系统连接的手段
C)对于建筑群子系统说，架空布线是最理想的方式
D)对高速率终端用户可直接铺设光纤到桌面
(17) 下列对交换机的描述中,错误的是
A)交换机根据接收数据包括中的IP 地址过滤和转发数据
B)交换机可将多台数据终端设备连接在一起，构成星状结构的网络
C)交换机有存储转发快速转发和碎片丢弃三种交换模式
D)交换机允许多对站点进行并发通信
(18) 下列中交换机同属一个VTP 域。除交换机B 外，所有交换机的VLAN 配置
都与交换机A 相同。交换机A 和B 的VTP 工作模式的正确配置是
A) set vtp mode transparent 和set vtp mode server
B) set vtp mode server 和set vtp mode transparent
C) set vtp mode server 和set vtp mode client
D) set vtp mode server 和set vtp mode server
(19)在Cisco Catalyst 3548以太网交换机上建立一个名为lib105的VLAN，
正确的配置是
A） Switch-3548#vlan 1 name lib 105
Switch-3548#exit
B) Switch-3548(vlan)#vlan 1 name lib 105
Switch-3548(vlan)#exit
C) Switch-3548(vlan)#vlan 1000 name lib 105
Switch3548(vlan)#exit
D) Switch-3548(vlan)#vlan 1002 name lib 105
Switch-3548(vlan)#exit
(20)将Catalyst 6500交换机的设备管理地址设置为203.29.166.9/24,缺省
网关的IP地址为203.29.166.1，正确的配置语句是
A)set interface vlan1 203.29.166.9 0.0.0.255 203.29.166.1
B)set interface vlan1 203.29.166.9 255.255.255.0 203.29.166.1
C)set interface sc0 203.29.166.9 0.0.0.255 203.29.166.1
D)set interface sc0 203.29.166.9 255.255.255.0 203.29.166.1
(21)封禁ICMP协议，只转发212.78.170.166/27所在子网的所有站点的ICMP
数据包，正确的access-list配置是
A）Router(config)#access-list 110 permit icmp 212.78.170.166 0.0.0.0 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any B） Router(config)#access-list 110 permit icmp 212.78.170.0 255.255.255.224 any
Router(config)#access-list 110 permit ip any any
Router(config)#access-list 110 deny icmp any any C） Router(config)#access-list 110 perimt icmp 212.78.170.0 0.0.0.255 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any D） Router(config)#access-list 110 permit icmp 212.78.170.160 0.0.0.31 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any
(22)Cisco路由器执行show access-list命令显示如下一组控制列表信息
Standard IP access list 30
deny 127.0.0.0,wildcard bits 0.255.255.255
deny 172.16.0.0,wildcard bits 0.15.255.255
permit any
根据上述信息，正确的access-list配置是
A） Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0 Router(config)#access-list 30 deny 172.16.0.0 255.240.0.0
Router(config)#access-list 30 permit any
B） Router(config-std-nacl)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config-std-nacl)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config-std-nacl)#access-list 30 permit any C） Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255 Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config)#access-list 30 permit any
D） Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255 Router(config)#access-list 30 permit any
Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255 (23)通过拨号远程配置Cisco路由器时，应使用的接口是
A）AUX B）Console C）Ethernet D）VTY
(24)在Cisco路由器上配置RIP v1路由协议，参与RIP路由的网络地址有
193.22.56.0/26、193.22.56.64/26、193.22.56.128/26和193.22.56.192/26，正确的配置命令是
A）Router(config)# network 193.22.56.0 0.0.0.255
B）Router(config-router)# network 193.22.56.0 255.255.255.0
C）Router(config)# network 193.22.56.0
D）Router(config-router)# network 193.22.56.0
(25)下列关于蓝牙技术的描述中，错误的是
A）工作频段在2.402GHz~2.480GHz
B）非对称连接的异步信道速率是433.9kbps/57.6kbps
C）同步信道速率是64 kbps
D）扩展覆盖范围是100米
(26)下列关于IEEE802.11b协议的描述中，错误的是
A）采用CSMA/CA介质访问控制方法
B）允许无线节点之间采用对等通信方式
C）室内环境通信距离最远为100米
D）最大传输速率可以达到54Mbps
(27)下列关于Cisco Aironet1100进入快速配置步骤的描述中，错误的是
A）使用5类无屏蔽双绞线将PC机和无线接入点连接起来
B）接入点加电后，确认PC机获得了10.0.0.x网段的地址
C）打开PC机浏览器，并在浏览器的地址栏输入接入点的默认IP地址10.0.0.254
D）输入密码进入接入点汇总状态页面，并点击“Express Setup”进入快速
配置页面
(28)下列关于Windows2003系统下DNS服务器参数的描述中，错误的是
A）安装DNS服务时，根服务器被自动加入到系统中
B）反向查找区域用于将IP地址解析为域名
C）主机记录的TTL是该记录被查询后放到缓存中的持续时间
D）转发器用于将外部域名的查询转发给内部DNS服务器
(29)下列关于Windows2003系统下DHCP服务器参数的描述中，错误的是
A）作用域是网络上IP地址的连续范围
B）排除是从作用域内排除的有限IP地址序列
C）保留不可以使用被排出的IP地址序列
D）地址池是作用域应用排除范围之后剩余的IP地址
(30)下列关于Windows2003系统下WWW服务器配置的描述中，错误的是
A）设置默认文档后使用浏览器访问网站时能够自动打开网页
B）网站选项可设置网站的标识，并可启用日志记录
C）目录安全选项可选择配置身份验证和访问控制、IP地址和域名限制、安全通信
D）性能选项可设置影响带宽使用的属性及客户端Web连接的数量和超时时间(31)下列关于Serv_U FTP服务器配置的描述中，错误的是
A）配置服务器域名时，可以使用域名或其它描述
B）配置服务器IP地址时，服务器有多个IP地址需分别添加
C）配置服务器域端口号时，可使用端口21或其它合适的端口号
D）配置域存储位置时，小的域应选择 .INI文件存储而大的域应选择注册表存储
(32)下列关于邮件系统工作过程的描述中，错误的是
A）用户使用客户端软件创建新邮件
B）客户端软件使用SMTP协议将邮件发送到接收方的邮件服务器
C）接收方的邮件服务器将收到的邮件存储在用户的邮箱中待用户处理
D）接收方客户端软件使用POP3或IMAP4协议从邮件服务器读取邮件(33)差异备份、增量备份、完全备份三种备份策略的恢复速度由慢到快依次
为
A）增量备份、差异备份、完全备份 B）差异备份、增量备份、完全备份C）完全备份、差异备份、增量备份 D）完全备份、增量备份、差异备份(34)Cisco PIX525防火墙用来允许数据流从具有较低安全级接口流向较高安
全级接口的配置命令是
A）fixup B）conduit C）global D）nameif
(35)下列方式中，利用主机应用系统漏洞进行攻击的是
A）Land攻击 B）暴力攻击
C）源路由欺骗攻击 D）SQL注入攻击
(36)以下不属于网络安全评估内容的是
A）数据加密 B）漏洞检测
C）风险评估 D）安全审计
(37)Cisco路由器上使用团体字pub向管理站https://www.doczj.com/doc/6f9056053.html,发送自陷消
息，正确的snmp配置语句是
A） snmp-server enable traps
snmp-server host https://www.doczj.com/doc/6f9056053.html, pub
B） snmp-server traps enable
snmp-server host https://www.doczj.com/doc/6f9056053.html, pub
C） snmp-server enable traps
snmp-server https://www.doczj.com/doc/6f9056053.html, pub
D） snmp-server traps enable
snmp-server https://www.doczj.com/doc/6f9056053.html, pub
(38)下列关于漏洞扫描技术和工具的描述中，错误的是
A）主动扫描工作方式类似于IDS
B）CVE为每个漏洞确定了唯一的名称和标准化的描述
C）X-Scanner采用多线程方式对指定IP地址段进行安全漏洞扫描
D）ISS的System Scanner通过依附于主机上的扫描器代理侦测主机内部的漏洞
(39)在一台主机上涌浏览器无法访问到域名为https://www.doczj.com/doc/6f9056053.html,的网站，并且
在这台主机上执行tracert命令时有如下信息
Tracing route to www.abc. https://www.doczj.com/doc/6f9056053.html,[202.113.96.10]
Over maximum of 30 hops:
1 <1ms <1ms <1ms 59.67.148.1
2 59.67.148.1 reports:Destination net unreachable
Trace complete
分析以上信息，会造成这种现象的原因是
A）该计算机IP地址设置有误
B）相关路由器上进行了访问控制
C）该计算机没有正确设置DNS服务器
D）该计算机设置的DNS服务器工作不正常
(40)攻击者使用无效IP地址，利用TCP连接的三次握手过程，连续发送会话
请求，使受害主机处于开放会话的请求之中，直至连接超时，最终因耗尽资源而停止响应。这种攻击被称为
A）DNS欺骗攻击 B）DDOS攻击
C)重放攻击 D）SYN Flooding攻击
二、综合题(每空 2 分，共 40 分)
请将每一个空的正确答案写在答题卡【1】~【20】序号的横线上，答在试卷上不得分。
1
2.如图接口的帧格式是SONET。路由协议的选择方案是，园区网内部采用OSPF协议，园区网与Internet的连接使用静态路由。
图1 网络结构图
请阅读以下R1和R3的部分配置信息，并补充【6】~【10】空白处的配置命令或参数，按题目要求完成路由器的配置。
R1缺省路由的配置信息
Router-R1 #configure terminal
Router-R1(config)#
Router-R1(config)# ip router 0.0.0.0 【6】
Router-R1(config)# exit
Router-R1 #
R3的POS接口和OSPF协议的配置信息
Router-R3 # configure terminal
Router-R3 (config) #
Router-R3(config) # interface pos3/0
Router-R3(config-if) # description To Internet
Router-R3(config-if) # bandwidth 2500000
Router-R3(config-if) # ip address 221.195.178.1 255.255.255.252
Router-R3(config-if) # crc 32
Router-R3(config-if) # pos 【7】
Router-R3(config-if) # no ip directed-broadcast
Router-R3(config-if) # pos flag 【8】
Router-R3(config-if) # no shutdown
Router-R3(config-if) # exit
Router-R3(config)# router ospf 65
Router-R3(config-router)# network 211.100.66.0 【9】 area 0 Router-R3(config-router)# redistribute connected metric-type 1 subnets
Router-R3(config-router)# area 0 range 211.100.66.0 【10】
Router-R3(config-router)# exit
Router-R3(config)#
3. 某公司网络管理员使用DHCP服务器对公司内部主机的IP地址进行管理。在某DHCP客户机上连续执行“ipconfig /all”和” ipconfig /renew”命令，执
行“ipconfig /all”得到的部分信息如图2所示，执行“ipconfig /renew”命令时，在客户机捕获的报文及相关分析如图3所示。请分析图中的信息，补全【11】~
图3 在DHCP客户机上执行ipconfig /renew时捕获的报文及第2条报文的分析
4.图4是校园网是一台主机在命令行模式下执行某个命令时用Sniffer 捕获的数
据包
请根据图中信息回答下列问题。
（1） https://www.doczj.com/doc/6f9056053.html, 对应的IP 地址是【16】。
（2） 图中①②③处删除了部分显示信息，其中②和③处的信息分别是【17】和
【18】。
（3） 主机202.113.64.3的功能是【19】。
（4） 当需要回放捕获的数据包时，可以使用Sniffer 内置的【20】。
三、应用题(共20分)
应用题必须用蓝、黑色钢笔或者圆珠笔写在答题纸的相应位置上，否则无效。
请根据图5所示网络结构回答下列问题。
◆TCP: 0 =(Conjestion Window Reduced(CWR) NOT set)
G
（1）填写路由器R G的路由表项①至④（每空2
（2）G E S0口的IP地址。（2分）
（3）如果该网络内服务器群的IP地址为172.19.52.100~172.19.52.126和172.19.53.100~172.19.53.200，要求用一种设备对服务器群提供如下保护：检测发达到服务器群的数据包，如果发现恶意数据包，系统发出警报并阻断攻击。请回答以下两个问题：
第一，写出这种设备的名称。（2分）
第二，该设备应该部署在图中的哪个设备的哪个接口。（2分）
如果将172.19.52.128/26划分3个子网，其中前两个子网分别能容纳10台主机，第三个子网能容纳20台主机。请写出子网掩码及可用的IP地址段。（6分）（注：请按子网顺序号分配网络地址）。
2011年3月四级网络工程师答案（仅供参考）
1～5 A D D C B 6～10 C B B C A 11～15 C D B A A 16～20
C A A C D
21～25 D C A D B 26～30 D C D C D 31～35 B B A B D 36～46
A A A
B D
二、综合题，
1，B 2，191.23.128.0 3，191.23.191.255 4，0.0.53.13 5，
191.23.191.254
6，0.0.0.0 166.12.45.1 7，framing sonet 8，s1 s0 0 9，0.0.0.127
10，255.255.255.128 11，192.168.0.100 12，192.168.0.50
13，6
14，001618F1C568 15，192.168.0.100 16，202.38.97.197 17，SEQ
18，1 19，DNS服务器 20，生成器
三、应用题
（1）①172.19.17.0/29 ②172.19.17.8/29 ③172.19.4.0/22 ④
172.19.52.0/22
（2）172.19.63.193 172.19.63.194 （3）NIPS, RD的E2接口
（4）掩码可用IP段
①255.255.255.240, 172.19.52.129-172.19.52.142
②255.255.255.240, 172.19.52.145-172.19.52.158
③255.255.255.224, 172.19.52.161-172.19.52.190
全国计算机等级考试四级笔试试卷
网络工程师
一、选择题（每小题1分，共40分）
（1）下列不属于宽带城域网QoS技术的是
A）密集波分复用DWDM B）区分服务DiffServ
C）资源预留RSVP D）多协议标记交换MPLS
（2）WLAN标准802.11a将传输速率提高到
A）5.5Mbps B）11Mbps C）54Mbps D）100Mbp （3）ITU标准OC-12的传输速率为
A）51.84Mbps B）155.52Mbps C）622.08Mbps D）9.95328Gbps （4）下列关于网络接入技术和方法的描述中，错误的是
A）“三网融合”中的三网是指计算机网络、电信通信网和广播电视网
B）宽带接入技术包括xDSL、HFC、SDH、无线接入等
C）无线接入技术主要有WLAN、WMAN等
D）Cable Modem的传输速率可以达到10～36Mbps
（5）当服务器组中一台主机出现故障，该主机上运行的程序将立即转移到组内其他主机。下列技术中能够实现上述需求的是
A）RAID B）Cluster C）RISC D）CISC
（6）下列不属于路由器性能指标的是
A）吞吐量B）丢失率
C）延时与延时抖动D）最大可堆叠数
（7）若服务器系统年停机时间为55分钟，那么系统可用性至少达到A）99％B）99.9％C）99.99％D）99.999％（8）IP地址块58.192.33.120/29的子网掩码可写为
A）255.255.255.192 B）
255.255.255.224
C）255.255.255.240 D）
255.255.255.248
（9）下图是网络地址转换NAT的一个示例
图中①和②是地址转换之后与转换之前的一对地址（含端口号），它们依次应为
A）10.0.1.1,1234和59.67.0.6,2341 B）59.67.0.6,2341和
10.0.1.1,1234
C）10.0.1.1,1234和202.2.1.1,8080 D）202.2.1.1,8080和
10.0.1.1,1234
（10）IP地址块202.113.79.0/27、202.113.79.32/27和202.113.79.64/27经过聚合后可用的地址数为
A）64 B）92 C）94 D）126
（11）下列对IPv6地址的表示中，错误的是
A）::50D:BC:0:0:03DA B）FE23::0:45:03/48
C）FE23:0:0:050D:BC::03DA D）FF34:42:BC::0:50F:21:0:03D （12）BGP协议的分组中，需要周期性交换的是
A）open B）update C）keepalive D）notification （13）R1、R2是一个自治系统中采用RIP路由协议的两个相邻路由器，R1的路由表如下图(a)所示，当R1收到R2发送的如下图(b)的〔V, D〕报文后，R1
A）0、4、4、3 B）l、3、3、3 C）2、2、3、2 D）3、2、2、3 （14）OSPF协议中，一般不作为链路状态度量值（metric）的是
A）距离B）延时C）路径D）带宽
（15）下列标准中，不是综合布线系统标准的是
A）ISO/IEC 18011
B）ANSI/TIA/EIA 568-A
C）GB/T 50311-2000和GB/T 50312-2000
D）TIA/EIA-568-B.1、TIA/EIA-568-B.2和TIA/EIA-568-B.3
（16）下列关于综合布线系统的描述中，错误的是
A）STP比UTP的抗电磁干扰能力好
B）水平布线子系统电缆长度应该在90米以内
C）多介质插座是用来连接计算机和光纤交换机的
D）对于建筑群子系统来说，管道内布线是最理想的方式
（17）下列对交换表的描述中，错误的是
A）交换表的内容包括目的MAC地址及其所对应的交换机端口号
B）Cisco大中型交换机使用“show mac-address-table”命令显示交换表内容
C）交换机采用Flood技术建立一个新的交换表项
D）交换机采用盖时间戳的方法刷新交换表
（18）如下图所示，Cisco 3548交换机A与B之间需传输名为VL10（ID号为10）和VL15（ID号为15）的VLAN信息。下列为交换机A的g0/1端口分配VLAN
的配置，正确的是
A）Switch-3548 (config)#interface g0/1
Switch-3548 (config-if)#switchport mode trunk
Switch-3548 (config-if)#switchport trunk allowed vlan 10,15 B）Switch-3548 (config)#interface g0/1
Switch-3548 (config-if)#switchport mode trunk
Switch-3548 (config-if)#switchport trunk access vlan 10,15 C）Switch-3548 (config)#interface g0/1
Switch-3548 (config-if)#switchport allowed vlan vl10,vl15 D）Switch-3548 (config)#interface g0/l
Switch-3548 (config-if)#switchport mode trunk
Switch-3548 (config-if)#switchport trunk allowed vlan 10-15 （19）Cisco 3548交换机采用telnet远程管理方式进行配置，其设备管理地址是222.38.12.23/24，缺省路由是222.38.12.1。下列对交换机预先进行的配置，正确的是
A）Switch-3548(config)#interface vlan1
Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0
Switch-3548(config-if)#ip default-gateway 222.38.12.1
Switch-3548(config-if)#exit
Switch-3548(config)#line vty 0 4
Switch-3548(config-line)#password 7 ccc
Switch-3548(config-line)#exit
B）Switch-3548(config)#interface vlan1
Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0
Switch-3548(config-if)#exit
Switch-3548(config)#ip default-gateway 222.38.12.1
Switch-3548(config)#line vty 0 4
Switch-3548(config-line)#password 7 ccc
Switch-3548(config-line)#exit
C）Switch-3548(config)#interface vlan1
Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0
Switch-3548(config-if)#exit
Switch-3548(config)#ip default-route 222.38.12.1
Switch-3548(config)#line vty 0 4
Switch-3548(config-line)#password 7 ccc
Switch-3548(config-line)#exit
D）Switch-3548(config)#interface vlan1
Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0
Switch-3548(config-if)#exit
Switch-3548(config)#ip default-gateway 222.38.12.1
Switch-3548(config)#line aux 0 4
Switch-3548(config-line)#password 7 ccc
Switch-3548(config-line)#exit
（20）将Cisco 6500第4模块第1端口的通信方式设置为半双工，第2～24端口的通信方式设置为全双工，以下交换机的端口配置，正确的是
A）Switch-6500> (enable) set interface duplex 4/1 half
Switch-6500> (enable) set interface duplex 4/2-24 full B）Switch-6500> (enable) set port 4/1 duplex half
Switch-6500> (enable) set port 4/2-24 duplex full C）Switch-6500> (enable) set port duplex 4/1 half
Switch-6500> (enable) set port duplex 4/2-4/24 full D）Switch-6500> (enable) set port duplex 4/l half
Switch-6500> (enable) set port duplex 4/2-24 full
（21）将Cisco路由器的配置保存在NVRAM中，正确的命令是
A）Router #write flash B）Router #write network
C）Router #write memory D）Router #write erase
（22）Cisco路由器第3模块第1端口通过E1标准的DDN专线与一台远程路由器相连，端口的IP地址为195.112.41.81/30，远程路由器端口封装PPP协议。下列路由器的端口配置，正确的是
A）Router (config)#interface s3/1
Router (config-if)#bandwidth 2048
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
B）Router (config)#interface a3/1
Router (config-if)#bandwidth 2000
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
C）Router (config)#interface s3/1
Router (config-if)#bandwidth 2
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation ppp
Router (config-if)#exit
D）Router (config)#interface s3/1
Router (config-if)#bandwidth 2048
Router (config-if)#ip address 195.112.41.81 255.255.255.252
Router (config-if)#encapsulation hdlc
Router (config-if)#exit
（23）拒绝转发所有IP地址进与出方向的、端口号为1434的UDP和端口号为4444的TCP数据包，下列正确的access-list配置是
A）Router (config)#access-list 30 deny udp any any eq 1434
Router (config)#access-list 30 deny tcp any any eq 4444
Router (config)#access-list 30 permit ip any any
B）Router (config)#access-list 130 deny udp any any eq 1434 Router (config)#access-list 130 deny tcp any any eq 4444
Router (config)#access-list 130 permit ip any any C）Router (config)#access-list 110 deny any any udp eq 1434 Router (config)#access-list 110 deny any any tcp eq 4444
Router (config)#access-list 110 permit ip any any D）Router (config)#access-list 150 deny udp ep 1434 any any Router (config)#access-list 150 deny tcp ep 4444 any any
Router (config)#access-list 150 permit ip any any
（24）在Cisco路由器上建立一个名为zw246的DHCP地址池，地址池的IP地址是176.115.246.0/24，其中不用于动态分配的地址有176.115.246.2～176.115.246.10，缺省网关为176.115.246.1，域名为https://www.doczj.com/doc/6f9056053.html,，域名服务器地址为176.115.129.26，地址租用时间设定为6小时30分钟。下列DHCP地址池的配置，正确的是
A）Router (config)#ip dhcp pool zw246
Router (dhcp-config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10
Router (dhcp-config)#network 176.115.246.0 255.255.255.0
Router (dhcp-config)#default-router 176.115.246.1
Router (dhcp-config)#domain-name https://www.doczj.com/doc/6f9056053.html,
Router (dhcp-config)#dns-server address 176.115.129.26
Router (dhcp-config)#lease 0 6 30
B）Router (config)#ip dhcp excluded-address 176.115.246.2-10 Router (config)#ip dhcp pool zw246
Router (dhcp-config)#network 176.115.246.0 255.255.255.0
Router (dhcp-config)#default-router 176.115.246.1
Router (dhcp-config)#domain-name https://www.doczj.com/doc/6f9056053.html,
Router (dhcp-config)#dns-server address 176.115.129.26
Router (dhcp-config)#lease 0 6 30
C）Router (config)#ip dhcp excluded-address 176.115.246.2
176.115.246.10
Router (config)#ip dhcp pool zw246
Router (dhcp-config)#network 176.115.246.0 255.255.255.0
Router (dhcp-config)#default-router 176.115.246.1
Router (dhcp-config)#domain-name https://www.doczj.com/doc/6f9056053.html,
Router (dhcp-config)#dns-server address 176.115.129.26
Router (dhcp-config)#lease 0 6 30
D）Router (config)#ip dhcp excluded-address 176.115.246.2
176.115.246.10
Router (config)#ip dhcp pool zw246
Router (dhcp-config)#network 176.115.246.0 255.255.255.0
Router (dhcp-config)#default-router 176.115.246.1
Router (dhcp-config)#domain-name https://www.doczj.com/doc/6f9056053.html,
Router (dhcp-config)#dns-server address 176.115.129.26
Router (dhcp-config)#lease 30 6 0
（25）下列关于IEEE802.11b基本运作模式的描述中，错误的是
A）点对点模式是指无线网卡和无线网卡之间的通信方式
B）点对点连接方式只要PC插上无线网卡即可与另一具有无线网卡的PC连接，最多可连接512台PC
C）基本模式是指无线网络规模扩充或无线和有线网络并存时的通信方式D）采用基本模式时，插上无线网卡的PC需要由接入点与另一台PC连接，一个接入点最多可连接1024台PC
（26）下列具有NAT功能的无线局域网设备是
A）无线网卡B）无线接入点C）无线网桥D）无线路由器（27）下列对Cisco Aironet 1100的SSID及其选项设置的描述中，错误的是A）SSID是客户端设备用来访问接入点的唯一标识
B）SSID区分大小写
C）快速配置页面的“Broadcast SSID in Beacon”选项为“yes”是默认设置D）默认设置表示设备必须指定SSID才能访问接入点
（28）下列关于Windows 2003系统DNS服务器的描述中，正确的是A）DNS服务器的IP地址应该由DHCP服务器分配
B）DNS服务器中根DNS服务器需管理员手工配置
C）主机记录的生存时间指该记录在服务器中的保存时间
D）转发器是网络上的DNS服务器，用于外部域名的DNS查询
（29）下列关于Windows 2003系统DHCP服务器的描述中，正确的是A）新建作用域后即可为客户机分配地址
B）地址池是作用域除保留外剩余的IP地址
C）客户机的地址租约续订是由客户端软件自动完成的
D）保留仅可使用地址池中的IP地址
（30）下列关于Windows 2003系统WWW服务器配置与访问的描述中，正确的是A）Web站点必须配置静态的IP地址
B）在一台服务器上只能构建一个网站
C）访问Web站点时必须使用站点的域名
D）建立Web站点时必须为该站点指定一个主目录
（31）下列关于Serv_U FTP服务器配置的描述中，正确的是
A）用户可在服务器中自行注册新用户
B）配置服务器域名时，必须使用该服务器的域名
C）配置服务器的IP地址时，服务器若有多个IP地址需分别添加
D）添加名为“anonymous”的用户时，系统会自动判定为匿名用户
（32）下列关于Winmail邮件服务器配置、使用与管理的描述中，正确的是A）Winmail邮件服务器允许用户自行注册新邮箱
B）Winmail用户可以使用Outlook自行注册新邮箱
C）用户自行注册新邮箱时需输入邮箱名、域名和密码等信息
D）为建立邮件路由，需在DNS服务器中建立该邮件服务器主机记录（33）下列关于安全评估的描述中，错误的是
A）在大型网络中评估分析系统通常采用控制台和代理结合的结构
B）网络安全评估分析技术常被用来进行穿透实验和安全审计
C）X-Scanner可采用多线程方式对系统进行安全评估
D）ISS采用被动扫描方式对系统进行安全评估
（34）下列关于数据备份方法的描述中，错误的是
A）增量备份比完全备份使用的空间少B）差异备份比增量备份恢复的速度慢
C）差异备份比完全备份的备份速度快D）恢复时完全备份使用的副本最少（35）关于网络入侵检测系统的探测器部署，下列方法中对原有网络性能影响最大的是
A）串入到链路中B）连接到串入的集线器
C）连接到交换设备的镜像端口D）通过分路器
（36）根据可信计算机系统评估准则（TESEC），用户能定义访问控制要求的自主保护类型系统属于
A）A类B）B类C）C类D）D类
（37）下列关于SNMP的描述中，错误的是
A）由1.3.6.1.4.1.9.开头的标识符（OID）定义的是私有管理对象
B）MIB-2库中计量器类型的值可以增加也可以减少
C）SNMP操作有get、put和notifications
D）SNMP管理模型中，Manager通过SNMP定义的PDU向Agent发出请求（38）包过滤路由器能够阻断的攻击是
A）Teardrop B）跨站脚本C）Cookie篡改D）SQL注入（39）如果在一台主机的Windows环境下执行Ping命令得到下列信息Pinging https://www.doczj.com/doc/6f9056053.html, [202.113.16.33] with 32 bytes of data:
Reply from 202.113.16.33: bytes=32 time<1ms TTL=128
Reply from 202.113.16.33: bytes=32 time<1ms TTL=128
Reply from 202.113.16.33: bytes=32 time<1ms TTL=128
Reply from 202.113.16.33: bytes=32 time<1ms TTL=128
Ping statistics for 202.113.16.33:
Packets: Sent = 4, Received = 4, Lost = 0 (0％loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms,Average = 0ms
那么下列结论中无法确定的是
A）为https://www.doczj.com/doc/6f9056053.html,提供名字解析的服务器工作正常
B）本机使用的DNS服务器工作正常
C）主机https://www.doczj.com/doc/6f9056053.html,上WWW服务工作正常
D）主机https://www.doczj.com/doc/6f9056053.html,的网关配置正确
（40）Windows环境下可以用来修改主机默认网关设置的命令是
A）route B）ipconfig C）NET D）NBTSTAT
二、综合题（每空2分，共40分）
请将每一个空的正确答案写在答题卡【1】～【20】序号的横线上，答在试卷上不得分。
1
2．如图1相连，POS接口的帧格式是SONET。路由协议的选择方案是：园区网内部采用OSPF动态路由协议，园区网与Internet的连接使用静态路由。
图1 网络拓扑图
问题：
请阅读以下R3和R4的部分配置信息，并补充【6】到【10】空白处的配置命令或参数，按题目要求完成路由器的配置。
R3的POS接口、OSPF和缺省路由的配置信息
Router-R3 #configure terminal
Router-R3 (config)#
Router-R3 (config)#interface pos3/0
Router-R3 (config-if)#description To Internet
Router-R3 (config-if)#bandwidth 2500000
Router-R3 (config-if)#ip address 195.19.78.5 255.255.255.252
Router-R3 (config-if)# 【6】 32
Router-R3 (config-if)#pos framing sonet
Router-R3 (config-if)#no ip directed-broadcast
Router-R3 (config-if)#pos flag 【7】
Router-R3 (config-if)#no shutdown
Router-R3 (config-if)#exit
Router-R3 (config)#router ospf 65
Router-R3 (config-router)#network 222.98.66.128 【8】 area 0 Router-R3 (config-router)#redistribute connected metric-type 1 subnets
Router-R3 (config-router)#area 0 range 222.98.66.128 【9】
Router-R3 (config-router)#exit
TEST FOR ENGLISH MAJORS (2013) —GRADE FOUR— TIME LIMIT: 130 MIN PART 1 DICT ATION 15 MIN Listen to the following passage. Altogether the passage will be read to you four times: During the first reading, which will be read at normal speed, listen and try t o understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your wo rk. You will then be given 2 minutes to check through your work once more. PART 2 LITENING COMPREHENSION 20 MIN SECTION A CONVERSA TIONS In this section, you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 3 are based on the following conversation. At the end of the conversation you will be given 15 seconds to answer the questions. 1. According to the conversation, an example of “Christmas trimmings” could be A. presents. B. fruits C. sauce D. meat 2. A Christmas lunch would include all the following EXCECT A. roast turkey B. sweet potatoes C. meat D. carrots 3. Why did Helen come to Rob?s house? A. She wanted to talk to Bob. B. She had come to help Bob. C. She had been invited to lunch. D. She was interested in cooking. Questions 4 to 7 are based on the following conversation. At the end of the conversation you will be given 20 seconds to answer the questions. 4. Why did the woman phone the club? A. She wanted to know more about it. B. She was a new comer and felt lonely. C. She wanted to learn a new language. D. She was interested in social activities. 5. We learn from the conversation that the club A. mainly organize language activities. B. accepts members from local students.
Part I Writing (30 minutes) Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to learn Chinese. Please recommend a university to him. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (25 minutes) Section A Directions: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A) , B) , C) and D) . Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre. Questions I and 2 are based on the news report you have just heard. 1.A)Many facilities were destroyed by a wandering cow. B) A wandering cow knocked down one of its fences. C)Some tourists were injured by a wandering cow. D) A wandering cow was captured by the police. 2.A) It was shot to death by a police officer. B)It found its way back to the park' s zoo. C)It became a great attraction for tourists. D)It was sent to the animal control department. Questions 3 and 4 are based on the news report you have just heard. 3.A) It is the largest of its kind. B)It is going to be expanded. C)It is displaying more fossil specimens. D)It is staring an online exhibition. 4.AJA collection of bird fossils from Australia. B)Photographs of certain rare fossil exhibits. C)Some ancient wall paintings from Australia. D)Pictures by winners of a wildlife photo contest. Questions 5 to 7 are based on the news report you have just heard. 5.A) Pick up trash. B)Amuse visitors. C)Deliver messages. D)Play with children. 6.A) They are especially intelligent. 8)They are children' s favorite. C They are quite easy to tame. D) They are clean and pretty. 7.A) Children may be harmed by the rooks. B)Children may be tempted to drop litter. C)Children may contract bird diseases.
2011年12月英语四级阅读真题来源 2011年12月四级考试阅读真题：男女分校更有利 2011年12月四级考试阅读真题被证实也是摘自卫报的新闻，原文题目Single-sex schools help boys to enjoy arts, says study 研究证明纯男子学校更利于男学生学习艺术。原文发布时间为2010年1月，比较久远。 Absence of girls removes pressure to conform to masculine stereotype, claims US researcher Rachel Williams The Guardian, Wednesday 20 January 2010 Boys’ schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. Far from the traditional image of a culture of aggressive masculinity in which students either sink or swim, the absence of girls gives boys the chance to develop without pressure to conform to a stereo*type, the US study says. Boys at single sex schools were said to be more likely to get involved in cultural and artistic activities that helped develop their emotional
2014年12月英语四级真题及答案（文字版） 考试采取“多题多卷”模式，试题顺序不统一，请依据试题进行核对 Part I Writing Directions: For this part, you are allowed 30 minutes to write a short essay on the followin 作文题一：印象最深的活动 AA campus activity that has benefited most. 作文题二：印象最深的课程 A course that has impressed you most in college. 作文题三:印象最深的同学 A classmate of yours who has influenced you most in college． Section C Stunt people(替身演员) are not movie stars, but they are the hidden heroes of many movies. They were around long before films. Even Shakespeare may have used them in fight scenes. To be good, a fight scene has to look real. Punches must (26)______ enemies' jaws. Sword fights must be fought with(27)______ swords. Several actors are usually in a fight scene. Their moves must be set up so that no one gets hurt. It is almost like planning a dance performance. If a movie scene is dangerous, stun people usually(28)______the stars. You may think you see Tom Cruise running along the top of a train. But it is(29)______ his stunt double. Stunt people must(30)______ the stars they stand in for. Their height and build should be about the same. But when close-ups are needed, the film(31)______ the star. Some stunt people(32)______ in certain kinds of scenes. For instance, a stunt woman named Jan Davis does all kinds of jumps. She has leapt from planes and even off the top of a waterfall. Each jump required careful planning and expert(33)______. Yakima Canutt was a famous cowboy stunt man. Among other stunts, he could jump from a second story window onto a horse's back. He(34)______
2005年英语专业四级真题--2005年专四真题-(含答案)
2005年英语专业四级真题 -2005年专四真题（含答案） 2005年英语专业四级真题-2005年专四真题 TEST FOR ENGLISH MAJORSTEST FOR ENGLISH MAJORS (2005) -GRADE FOUR- TIME LIMIT: 130 MIN PART I DICTATION [15 MIN ] Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or
phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more. Please write the whole passage on ANSWER SHEET ONE. PART II LISTENING COMPREHENSION [15 MIN ] In Sections A, B and C you will hear everything once only. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your answer sheet. SECTION A CONVERSATIONS
作文： Nothing succeeds without a strong will There is a prevalent joke around young people saying that ‘quitting smoking is the easiest thing in the world, and I’ve done it for hundreds of times.’ This seemingly funny statement ironically reflects the fact that the determination of most youngsters is oftentimes started with enthusiasm, but the passion becomes increasingly weaker each day, and then diminishes as if there has been no such thing at all. It is obvious that their failure in ‘quitting smoking’ and decline of determination are all ascribed to their lack of will. Initially, every success involves several stages of setbacks and risks, and we need to summon up our will to conquer them. Moreover, there are enormous temptation in our path of pursuit of success. For instance, when we plan to quit smoking, our roommates may smoke freely in front of us; when we are eager to keep fit, our close friends may invite us to have late night snacks. Under these occasions, only strong will can assist us to resist the temptation, and persist in chasing our goals until we triumphantly realize them. In short, no dream will successfully come true if we do not have strong will. An old famous proverb says that ‘ where there is a will, there is a way’. Let us bear this motton in mind no matter how many thunders and thorns are on our roads ahead, then we will be successful with such precious and powerful spirit. [快速阅读] 快速阅读 1. A person of integrity not only sets high moral and ethical standards but also _______. A) sticks to them in their daily life B) makes them known to others C) understands their true values D)sees that others also follow them 选择sticks to them in their daily life 定位在原文第一段，文中说正直(integrity)的关键是一致性(consistency)，不仅要有很多道德和伦理的准则，还要每天都坚守。 2. What role does integrity play in personal and professional relationships? A) It helps to create team spirit B) It facilitates communication C) It is the basis of mutual trust D) It inspires mutual respect 选择It is the basis of mutual trust.
Part II Listening Section A Directions：In this section，you will hear 8 short conversations and 2 long conversat ions. At the end of each conversation, one or more questions will be asked about what w as said. Both the conversation and the questions will be spoken only once. After each que stion there will be a pause. During the pause, you must read the four choices marked A) , B) , C) and D)，and decide which is the best answer. Then mark the corresponding l etter on Answer Sheet I with a single line through the centre. Question 1 A.The man is not good at balancing his budget. B.She will go purchase the gift herself. C.The gift should not be too expensive. D.They are gonging to Jane's house-warming party. Question 2 A.He is quite willing to give the woman a hand. B.It takes patience to go through the statistics. C.He has prepared the statistics for the woman. D.The woman should take a course in statistics. Question 3 A.Page 55 is missing from the woman's scripts. B.They cannot begin their recording right away. C.The woman does not take the recording seriously. D.The man wants to make some changes in the scripts. Question 4 A.The date of Carl's wedding. B.The birthday of Carl's bride. C.A significant event in July. D.Preparation for a wedding. Question 5 A.The woman forgot to tell the man in advance. B.The man was absent from the weekly meeting. C.The woman was annoyed at the man's excuse. D.The man was in charge of scheduling meetings. Question 6 A.The woman is a marvelous cook. B.The woman has just bought an oven.
英语专业四级考试真题及答案（完整版） TEST FOR ENGLISH MAJORS (2013) —GRADE FOUR— TIME LIMIT: 135 MIN PART I DICTATION [15 MIN] Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more. Please write the whole passage on ANSWER SHEET ONE. PART II LISTENING COMPREHENSION [20 MIN] In Sections A, B and C you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the best answer to each question on Answer Sheet Two. SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
2011年12月英语四级真题 Part Ⅰ Writing (30 minutes) 注意：此部分试题在答题卡1上． For this part, you are allowed 30 minutes to write a short essay entitled Nothing Succeeds Without a Strong Will by commenting on the humorous saying, "Quitting smoking is the easiest thing in the world. I've done it hundreds of times." You should write at least 120 words but no more than 180 words. Part II Reading Comprehension (Skimming and Scanning) Why Integrity Matters What is Integrity? The key to integrity is consistency--not only setting high personal standards for oneself (honesty, responsibility, respect for others, fairness) but also living up to those standards each day. One who has integrity is bound by and follows moral and ethical standards even when making life's hard choices, choices which may be clouded by stress, pressure to succeed, or temptation. What happens if we lie, cheat, steal, or violate other ethical standards? We feel disappointed in ourselves and ashamed. But a lapse of integrity also affects our relationships with others. Trust is essential in any important relationship, whether personal or professional. Who can trust someone who is dishonest or unfair? Thus, integrity must be one of our most important goals. Risky Business We are each responsible for our own decisions, even if the decision-making process has been undermined by stress or peer pressure. The real test of character is whether we can learn from our mistake, by understanding why we acted as we did, and then exploring ways to avoid similar problems in the future. Making ethical decisions is a critical part of avoiding future problems. We must learn to recognize risks, because if we can't see the risks we're taking, we can't make responsible choices. To identify risks, we need to know the rules and be aware of the facts. For example, one who doesn't know the rules about plagiarism may accidentally use words or ideas without giving proper credit, or one who fails to keep careful research notes may unintentionally fail to quote and cite sources as required. But the fact that such a violation is "unintentional" does not excuse the misconduct. Ignorance is not a defense. "But Everybody Does It" Most people who get in trouble do know the rules and facts, but manage to fool themselves about the risks they're taking by using excuses: "Everyone else does it," "I'm not hurting anyone," or "I really need this grade." Excuses can get very elaborate: "I know I'm looking at another's exam, even though I'm supposed to keep my eyes on my own paper, but that's not cheating because I'm just checking my answers, not copying." We must be honest about our actions, and avoid excuses. If we fool ourselves into believing we're not doing anything wrong, we can't see the real choice we're making--and that leads to bad decisions. To avoid fooling yourself, watch out for excuses and try this test: Ask how you would feel if your actions were public, and anyone could be watching over your shoulder. Would you feel proud or ashamed of your actions? If you'd rather hide your actions, that's a good indication that you're taking a risk and rationalizing it to yourself.
2015年12月大学英语四级考试真题（第2套） Part I Writing（30 minutes） Directions: For this part，you are allowed 30 minutes to write an essay commenting on the saying "Learning is a daily experience and a lifetime mission.” You can cite examples to illustrate the importance of lifelong learning. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension（30 minutes） Questions 9 to 11 are based on the conversation you have just heard. 9. A) From the wanted column. C) From a telephone directory. B) From some of her friends. D) From a television commercial. 10. A) She received full-time education abroad. C) She finished her secondary school. B) She graduated from an open university. D) She studied in a vocational college. 11. A) She is a shorthand-typist. C) She is a policewoman. B) She works as a tour guide. D) She teaches an evening class. Questions 12 to 15 are based on the conversation you have just heard. 12. A) It provides him with career opportunities. C) It has been off and on for ten years. B) It helps enlarge his customer network. D) It was interrupted for four years. 13. A) Individualized service. C) Home-made beer. B) Traditional setting. D) Social games. 14. A) The quality of beer. C) The owner's attitude. B) The atmosphere. D) The right location. 15. A) It is a rather tough job．C) It helps old people kill time. B) It is a profitable business. D) It makes retirees feel useful. Section B Directions:In this section，you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only. After you hear a question, you must choose the best answer from the four choices marked A )，B)，C) and D)．Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre. Passage One Questions 16 to 18 are based on the passage you have just heard. 16. A) It is becoming increasingly popular. C) It gives rise to serious social instability. B) It helps the user to escape reality. D) It hurts a person and those around them. 17. A) They use drugs just for fun. C) They use drugs as medicine. B) They take drugs to get high. D) They keep drug use a secret. 18. A) It is quite common in entertainment circles. B) It is the cause of various social problems. C) It is hard to get rid of. D) It is fatal to the user. Passage Two Questions 19 to 22 are based on the passage you have just heard. 19. A) Taking up exercises after recovery. C) Finding new ways to cure heart disease. B) Producing tasty healthy frozen food. D) Going on a diet upon leaving the hospital. 20. A) It was carefully tested with consumers. C) It was disapproved by many diet experts. B) It was promoted by health organizations. D) It was highly expected by the general public. 21. A) Competitive price. C) Vigorous promotion. B) Low expectations. D) Unique ingredients. 22. A) It was suggested by the firm's vice-president.
英语专业四级真题及答案(1) PART III CLOSE [15 MIN] Decide which of the choices given below would best complete the passage if inserted in the corresponding blanks.Mark the best choice for each blank on your answer sheet. Until I took Dr Offutt’s class in DeMatha High school , I was an underachieving student,but I left that class (31)_______never to underachieve again.He not only 31. A.concerned B.worried C.determined D.decided Taught me to think,he convinced me,(32)________by example as 32. A. as much B. much as C. as such D. such as Words that it was my moral (33)_______to do so and to serve 33.A. work B. job C. duty D.obligation
others. (34)_____of us could know how our relationship would 34.A. Both B. Neither C. Either D. Each (35)_______over the years .When I came back to DeMatha to 35. A. evolve B. stay C. remain D. turn teach English, I worked for Dr Offutt,the department chair.Mydiscussion with him were like graduate seminars in adolescent(36)______,classroom management and school leadership. 36.A.process B.procedure C.development D.movement After several years,I was (37)_______department chair, 37.A.called https://www.doczj.com/doc/6f9056053.html,d C.asked