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问题 选择题
化学一是门从10世纪才开始独立的自然科学，人们对化学学科的认识还不很深入，甚至有些误解，以下几种常见的说法中，错误的是 （   ）
A．一些不法工厂在生产过程中产生了大量废气、废液、废渣，我们可以用化学知识从根本上解决这些问题
B．化学在能源的开发和合理利用方面还有很大的发展空间
C．化学的特征是认识分子和制造分子，是一门具有创造性的、实用科学
D．所有的化学物质都对人体有害，所以不能与它们有任何接触
答案

答案：D

阅读理解

阅读理解。

                                                             

     Welcome to catch the excitement of your child on film while fishing and enter his or her picture in the

yearly Kids'n Fishing Photo Contest! The contest is sponsored by Virginia Department of Game and Inland

Fisheries (VDGIF) in celebration of National Fishing Week!

     The winning pictures are those that best catch the theme "kids enjoying fishing". Winners will receive

different fishing related prizes. Winning pictures will also be posted on the VDGIF website and may be used

in all kinds of VDGIF publications. There is no need to be a professional photographer. Any photo will do.

     Contest Rules

     ●Children in the photographs must fall into one of the following age groups when the picture is taken:

l-5, 6-10.

     ●Photos must not be more than l year old.

     ●Photos must be taken in Virginia.

     ●Children in a boat must be wearing a life jacket.

     ●Only one photo submission (提交) per child.

     ●Submit photo on photograph quality paper, no CD's accepted.

     ●Photos must not be bigger than "4×6" size.

     ●Please stick a piece of paper to the back of the photo including: name, age, address, phone number and

location where the photograph was taken.

     ●Photos must be postmarked on or before June 19,2011.

     ●Judging will take place in July and winners will be posted on the VDGIF website.

     ●Prizes will be sent directly to the winning children.

     ●This contest isn't open to immediate family of VDGIF employees and sponsors. Immediate family

members refer to children, relatives or others living in the same household with a VDGIF employee or sponsor.

     To Enter:

     Send your photo, with the child's name, age, phone number and address to:

     2011 Kids'n Fishing Photo Contest

     Virginia Department of Game and Inland Fisheries

     P.O. Box 11104

     Richmond, VA 23230-1104

1. The purpose of the contest is to ____.

A. encourage people to take more pictures

B. celebrate a national fishing related activity

C. help people realize the importance of fishing

D. encourage people to go fishing with kids

2. Which of the following photos can enter the contest?

A. A photo which was taken in California in 2009.

B. A large photo whose postmark is July 11, 2011.

C. A photo which was taken in Virginia on Sept. 23, 2010.

D. A photo on which there is a 12-year-old girl.

3. What can be known about the prize of the contest?

A. Winners will get a great deal of money.

B. Winners will be allowed to travel in Virginia for free.

C. Winners' works will be seen on any website.

D. Winners' works may appear on the covers of VDGIF publications.

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问答题

如图1 所示，某校园网使用l0Gbps 的POS 技术与CERNET 相连，POS 接口的帧格式使用SDH。路由协议的选择方案是校园网采用OSPF 动态路由协议，校园网与CERNET的连接使用静态路由协议。另外，还要求在路由器R3 上配置一个loopback 接口，接口的IP 地址为192.167.150.1。

请阅读以下R3 的配置信息，并补充【6】，一【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。 Router-R3 #configure teminal Router-R3 (canfig)# Rauter-R3 (config)#interface pos3/1 Router-R3 (conflg-if)#descript..ion To CERNET Router-R3 (config-if)#bandwidth eses Routes-R3 (conlig-i0#ip address 222.112.37.1 255.255.255.252 【6】- Routes-R3 (config-if)#crc 32 Routes-R3 (config-ifj#【7】 一配置帧格式 Routes-R3 (config-if)#na ip directed-broadcast Routes-R3 (config-i}#pos flag s1s0 2 Routes-R3 (config-ill#no shutdown Routes-R3 (config-ifl#exit Routes-R3 (canfig)#interface loopback 0Router-R3 (conflg-i介#ip address 192.167.150.1Router-R3 (config-i0#no ip route-cache【8】Router-R3 (config-if)#no ip_mroute-cacheKouter-R3 (config-i 匀#exitRouter-R3 (config)#router ospf 63Router-R3 (config-router)#network 167.112.0.0 【9】Router-R3 (config-router)#redistribute connected metric-type 1 subnets一-area 0Router-R3 (config-router)#area 0 range 167.112.0.0Router-R3 (con,tg-router)#exit【10】Router-R3 (config)#Router-R3 (config)#ip route 0.0.0.0 0.0.0.0 222.112.37.2Router-R3 (config)#exitRouter-R3#write
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