搜档网
当前位置:搜档网 › 2017年4 月 03142 互联网及其应用 历年试题及参考答案(电子版)

2017年4 月 03142 互联网及其应用 历年试题及参考答案(电子版)

2017年4 月 03142 互联网及其应用 历年试题及参考答案(电子版)
2017年4 月 03142 互联网及其应用 历年试题及参考答案(电子版)

2017年4月高等教育自学考试全国统一命题考试

互联网及其应用试卷

(课程代码03142)

本试卷共5页,满分l00分,考试时间l50分钟。

考生答题注意事项:

1.本卷所有试题必须在答题卡上作答。答在试卷上无效,试卷空白处和背面均可作草稿纸。

2.第一部分为选择题。必须对应试卷上的题号使用2B铅笔将“答题卡”的相应代码涂黑。

3.第二部分为非选择题。必须注明大、小题号。使用0.5毫米黑色字迹签字笔作答。

4.合理安排答题空间,超出答题区域无效。

第一部分选择题 (共20分)

一、单项选择题(本大题共20小题,每小题l分,共20分)

在每小题列出的四个备选项中只有一个是符合题目要求的,请将其选出并将“答题卡”的相应代码涂黑。错涂、多涂或未涂均不得分。

1.OSI参考模型的网络体系结构是层次式的,其最低层为

A.传输层 B.网络层 C.数据链路层 D.物理层

2.广域网的英文缩写是

A.LAN B.WAN C.MAN D.SAN

3.在环形结构的网络中,信息传输方式是按

A.固定方向流动 B.非固定方向流动 C.逆时针方向流动 D.顺时针方向流动4.IP地址l31.15.10.8的地址类型为

A.A类 B.B类 C.C类 D.D类

5.接入Internet的每一台计算机都有一个唯一的地址标识,这个标识叫

A.网络地址 B.子网地址 C.传输地址 D.IP地址

6.采用广播消息的方法来决定与特定MAC地址相对应的IP地址,实现这种功能的协议是

A.ARP B.RARP C.ICMP D.PPP

7.使用中继器连接LAN的电缆段是有限制的,任何两个数据终端设备问的传输通路上最多包括

A.3个中继网段、2个中继器 B.4个中继网段、3个中继器

C.5个中继网段、4个中继器 D.6个中继网段、5个中继器

8.中继器主要起到信号再生与驱动、延长网络距离的作用,它工作于0S1七层参考模型的 A.物理层 B.数据链路层 C.网络层 D.传输层

9.完成数据链路层问的连接,可以将两个或多个网段连接起来,这样的网络互连设备是 A.中继器 B.网桥 C.路由器 D.网关

10.在Windows2003中,若要提供Intemet服务,则先安装

A.SNIP B.NWN C.IIS D.FTP

11.C类IP地址的主机地址字段的长度达到

A.8位 B.16位 C.24位 D.32位

12.Intemet上的远程登录协议是

A.FTP B.HTTP C.Telnet D.SMTP

13.运行FTP,首先要与远程的FTP服务器建立连接,其方法之一是执行命令:“FTP××××”,其中的××××是

A.计算机域名 B.下载的文件名 C.上传的文件名 D.路径名

14.HTTP是

A.超文本标记语言 B.超文本传输协议 C.超文本协议 D.超文本传输语言15.电子邮件的邮箱地址是由一个字符串组成的,格式为XXXX@XXXX,其中@左边的部

分为

A.主机名 B.文件名 C.路径名 D.用户名

16.用于标记文件标题的HTML的标记符号是

A.……</HEAD> B.……</BODY>

C.……</TITLE> D.<Hn>……</Hn></p><p>17.关于XML的叙述正确的是</p><p>A.XML是XSL的升级 B.XML是HTML的替代产品</p><p>C.XML允许使用者自定义标记D.XML将数据和显示紧密结合在一起</p><p>18.分布式数据库的结构特点可概括为</p><p>A.物理上分布、逻辑上集中 B.物理上分布、逻辑上分布</p><p>C.物理上集中、逻辑上分布 D.物理上集中、逻辑上集中</p><p>19.在域名解析算法中,“递归解析”请求首先被发送到</p><p>A.主域名服务器 B.辅域名服务器 C.根域名服务器 D.解析器</p><p>20.访问控制是一种重要的网络安全措施,可以通过多种技术实现,但不包括</p><p>A.口令 B.网管 C.加密 D.审计</p><p>第二部分非选择题 (共80分)</p><p>二、填空题 (本大题共20小题,每小题l分,共20分)</p><p>21.互联网网络系统是由________和网络软件组成。</p><p>22.所有入网的计算机均接入到一条通信传输线上,为防止信号反射,在传输线的两端连有终结器匹配线路阻抗,这种网络连接的拓扑结构为________。</p><p>23.总体评价一个系统和它的部件处理传输数据请求能力的指标是________。</p><p>24.VPN是采用________以及加密、身份认证等方法,在公共网络上构建企业网络的一种技术。</p><p>25.局域网主要由工作站、服务器、________、通信介质和网络软件组成。</p><p>26.TCP与IP是协同工作,相互补充的。IP提供了________,而TCP提供了可靠性。27.IPv6的地址共有________位。</p><p>28.在以太网的交换实现技术上通常分为静态交换和________两种方式。</p><p>29.简单邮件传送协议所使用的默认端口号是________。</p><p>30.Flash主要特点有矢量图形、________和流技术。</p><p>31.FTP支持的文件传输可以是文本文件,也可以是________。</p><p>32.对于公用的FTP服务器,凡是以匿名账号方式登录的用户,只能进行文件的________操作。</p><p>33.电子邮件服务器的主要管理任务包括别名管理、邮件队列管理和________。</p><p>34.在互联网中唯一标识某个网络资源应采用________。</p><p>35.电子商务包括________和支付结算两个基本环节。</p><!--/p2--><!--p3--><p>36.HTML是一种计算机程序语言,专门设计用来编写________。</p><p>37.为了实现动态网页,需要在HTML标记中插入程序。其中JavaScript是在________ ________执行。</p><p>38.动态地址分配是指计算机向特定服务器临时申请一个IP地址,并且在一段时期内租用该地址。该特定服务器称为________。</p><p>39.简单网络管理协议(SNMP),是在网络体系机构的________层上进行网络设备的管理,可以进行网络状态监视,网络参数设定、发现故障等。</p><p>40.RMON MIB的目的在于使SNMP更有效、更积极主动地监控远程设备,可分为嵌入式RMON 和________RMON。</p><p>三、名词解释题(本大题共5小题,每小题3分,共15分)</p><p>41.IP组播技术</p><p>42.防火墙</p><p>43.路由器</p><p>44.WWW</p><p>45.黑客</p><p>四、简答题(本大题共5小题,每小题5分,共25分)</p><p>46.C类网络为网络地址分配了24个二进制位,只为主机地址分配了8个二进制位。若主机地址的前4位用于划分子网,主机地址禁止使用全“0”或全“l”码,则每个子网最多还能容纳多少台主机?给出子网中主机地址段全部主机地址码。</p><p>47.简述IMAP协议优于POP协议的原因。</p><p>48.简述三层交换技术的原理。</p><p>49.简述电子公告板(BBS)的主要功能。</p><p>50.简述DHCP的实现机理。</p><p>五、综合应用题(本大题共2小题,每小题l0分,共20分)</p><p>51.域名服务器是Internet上最重要的服务器之一,对充分发挥Internet的作用,特别是资源共享起着非常关键的作用。正是由于它的这种举足轻重的作用,通常需设置辅助域名服务器确保Internet正常运行。回答下列问题:</p><p>(1)域名服务器的主要作用是什么?</p><p>(2)主域名服务器的主要功能是什么?</p><p>(3)辅助域名服务器的主要功能是什么?</p><p>(4)主域名服务器与辅助域名服务器的协作关系是怎样的?</p><!--/p3--><!--p4--><p> </p><!--/p4--><!--p5--><!--/p5--><!--p6--><p> </p><!--/p6--><!--rset--><h2>清晰版2017年4月浙江省选考地理试卷</h2><p>2017年4月浙江省普通高校招生选考考试 地理试卷 选择题部分 一、选择题(本大题共25题,每小题2分,共50分。每小题列出的四个备选项中只有一个是符合题目要求的,不选、多选、错选均不得分) 近年来,我国山西、内蒙古等能源输出地逐步用电力输出代替煤炭输出。沿海输入地鼓励用电,优化能源消费结构。完成1、2题。 1.用电力代替煤炭输出会 ①减少我国温室气体排放②促进输出地经济增长 ③增加我国交通运输压力④增加输出地环境压力 A.①② B.①③ C.②④ D.③④ 2.输入地鼓励居民用电动汽车替代燃油汽车,主要目的是 A.改善大气环境 B.缓解交通拥堵 C.减轻噪声污染 D.减少交通事故 下图为四种地貌景观。完成3、4题。 3.主要由沉积作用形成的是 A.①② B.②③ C.③④ D.①④ 4.有利于聚落形成的是 A.① B.② C.③ D.④ 改革开放以来,农村青壮年劳动力流出,引发农业劳动人口老龄化。随着近期户籍制度改革的加快推进,越来越多的未成年人和老人随青壮年劳动力举家迁入城市定居。完成5、6题。5.应对农业劳动人口老龄化的主要措施是 A.扩大粮食的进口规模 B.提高农业机械化水平 C.实施大规模休耕制度 D.鼓励劳动力大量回流 6.未成年人和老人迁入城市带来的主要影响是 ①提高城市化水平②推动城市产业结构升级 ③降低城市平均工资水平④增加城市公共服务压力 A.①② B.②③ C.③④ D.①④ 2015年2月11日,人类向太空发射了一枚人造天体。该人造天体定位在地球和太阳之间的连线上。下图为该人造天体的空间位置示意图。完成7、8题。</p><p>7.对该人造天体运行特征及作用的描述,正确的是 A.绕地球运行,能观测地球上的极光现象 B.绕太阳运行,可提前获知太阳风的强度 C.绕地球运行,可以监测到太阳黑子数量变化的周期 D.绕太阳运行,能拍到金星和火星从日面经过的照片 8.该人造天体获取宇宙信息并传回地球,所应用的地理信息技术是 A.遥感技术 B.虚拟现实技术 C.地理信息系统 D.全球定位系统 下图为某时某区域海平面等压线分布示意图。完成9、10题。 9.图中甲地天气系统及气流运动分别是 A.气旋,顺时针辐散 B.反气旋,顺时针辐合 C.高压系统,逆时针辐散 D.低压系统,逆时针辐合 10.四地中天气状况可能是 A.甲地电闪雷鸣 B.乙地北风劲吹 C.丙地风雨交加 D.丁地阴雨连绵 11.1960年以来,青藏高原的积雪厚度呈现出大-小-大的年际变化。下列地理过程因果关系正确的是 A.积雪厚度大-大气反射量少-年平均气温低 B.积雪厚度大-地面吸收量多-年平均气温高 C.积雪厚度小-大气吸收量少-年平均气温低 D.积雪厚度小-地面反射量少-年平均气温高</p><h2>2017年6月英语四级真题试卷及答案(三套全)</h2><p>目录 2017年6月大学英语四级真题及答案(完整版一) (1) 快速对答案 (14) 2017年6月大学英语四级真题及答案(完整版二) (14) 快速对答案 (28) 2017年6月大学英语四级真题及答案(完整版三) (28) 快速对答案 (37) 2017年6月大学英语四级真题及答案(完整版一) Part I Writing (25 minutes) (请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions:For this part, you are allowed 30 minutes to write an advertisement on your campuswebsite to sell a computer you used at college. Your advertisement may include its brand, specifications/features, condition and price, and your contact information.You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (30 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 questions will be spoken only once. After you hear questions, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter onAnswer Sheet 1 with a single line through the centre. 注意:此部分试题请在答题卡1上作答。 Questions 1 to 2 are based on the conversation you have just heard. 1.A) The man in the car was absent-minded.</p><h2>2017年6月大学英语四级真题试卷及答案(第3套)</h2><p>2017年6月大学英语四级真题及答案(三) Part I Writing (30 minutes) (请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions:For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell some of the course books you used at college. Your advertisement may include a brief description of their content,their condition ,their price and your contact information. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (25 minutes) 说明:2017年6月大学英语四级考试全国共考了两套听力.本套的听力内容与第二套相同,因此本套听力部分不再重复给出。 Part ⅢReading Comprehension (40 minutes) Section A Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices, Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once. Questions 26 to 35 are based on the following passage. As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes. Fear not, however, for coffee can stimulate them again. During (26)_______ exercise, our muscles tire as they run out of fuel and build up waste products. Muscle performance can also be affected by a (27)_______ called "central fatigue,” in which an imbalance in the</p><h2>2017年4月浙江省普通高校招生选考科目考试历史试题(解析版)</h2><p>2017年4月浙江省普通高校招生选考科目考试历史试题(解析版)</p><p>2017年4月浙江省普通高校招生选考科目考试(解析版) 一、选择题(本大题共30小题,每小题2分,共60分。每小题列出的四个备选项中只有一个是符合题目要求的,不选、多选、错选均不得分) 1.中国农业从远古洪荒走来,经历了“刀耕火种”、“牛耕铁犁”等阶段。下列项中属于“刀耕火种”阶段的耕作工具有 ①石斧②耧车③骨镰④曲柄锄 A.①③ B.①④ C.②③ D.②④ 【答案】 A 【解析】由材料信息并结合所学知识可知,原始农业时期的生产工具非常简单,主要是石斧和骨镰,耧车在西汉时才开始出现,曲柄锄属于铁制生产工具,原始社会没有使用铁器,所以①③符合题目要求,故答案为A。 2.谈到西汉的政权建设,史家常以“汉承秦制”作论。下列项中能体现该论断的是 A.皇帝制与郡县制 B.郡县制与刺史制 C.皇帝制与封国制 D.丞相制与刺史制 【答案】 A</p><p>【解析】结合所学知识可知,汉朝承袭了秦朝的皇帝制度、郡县制度、丞相制度,封国制度和刺史制度是秦朝所没有的,故A项符合题意。 3.中国古代典籍十分重视技术经验的总结。下列项中,同时介绍指南鱼和火药配方的是 A.《抱朴子》 B.《武经总要》 C.《萍洲可谈》 D.《梦溪笔谈》 【答案】 B 【解析】指南鱼在北宋时开始出现,其前身被称为司南,能同时介绍这两项成就的是《武经总要》,故B项符合题意;《抱朴子》是晋代葛洪所著,当时指南鱼和火药都还没有出现,排除A项;《萍洲可谈》是记述有关典章制度、风土民俗及海上交通贸易的著作,故它不会同时记载相关配方,排除C项;《梦溪笔谈》内容涉及天文、数学、物理、化学、生物等各个门类学科,然而并没有介绍指南鱼和火药配方,故D项错误。 4.北宋画家论及山水画的创作,提出“春山烟云绵联,人欣欣;夏山嘉木繁阴,人坦坦;秋山明净摇落,人肃肃;冬山昏霾翳塞,人寂寂。”该认识反映的中国山水画的特征是 A.注重对客观自然景物的逼真摹写 B.强调以花鸟为主要描绘内容 C.注重用画面传达主观情致与神韵 D.强调人物为核心的布局构图</p><h2>2017年6月卷二英语四级听力真题</h2><p>2017年6月卷二英语四级听力真题 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 1 and 2 are based on the news report you have just heard. 1. A) The majority of drivers prefer to drive and park themselves. B) Human drivers become easily distracted or tired while driving. C) Most drivers feel uncertain about the safety of self-driving cars. D) Most drivers have test driven cars with automatic braking features. 2. A) Their drivers would feel safe after getting used to the automatic devices. B) They would be unpopular with drivers who only trust their own skills. C) Their increased comfort levels have boosted their sales. D) They are not actually as safe as automakers advertise. Questions 3 and 4 are based on the news report you have just heard.</p><h2>2017年6月大学英语四级真题及答案解析(全三套)</h2><p>2017年6月大学英语四级真题及答案 (第一套) Part I Writing (25 minutes) (请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions: For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell a computer you used at college. Your advertisement may include its brand, specifications/features, condition and price, and your contact information.You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (30 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 questions will be spoken only once. After you hear questions, 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. 注意:此部分试题请在答题卡1上作答。 Questions 1 to 2 are based on the conversation you have just heard. 1.A) The man in the car was absent-minded. B) The test driver made a wrong judgement. C) The self-driving system was faulty. D) The car was moving at a fast speed. 2. A) They have done better than conventional cars. B) They have caused several severe crashes. C) They have posed a threat to other drivers. D) They have generally done quite well. Questions 3 to 4 are based on the conversation you have just heard. 3. A) He works at a national park. B) He is a queen been specialist. C) He removed the beyond from the boot. D) He drove the bees away from his car.</p><h2>2017年6月大学英语四级听力真题和答案</h2><p>2017年6月大学英语四级听力真题和答案</p><p>2017年6月大学英语四级真题及答案 (第一套) Part II Listening Comprehension (30 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 questions will be spoken only once. After you hear questions, 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. 注意:此部分试题请在答题卡1上作答。 Questions 1 to 2 are based on the conversation you have just heard. 1.A) The man in the car was absent-minded. B) The test driver made a wrong judgment. C) The self-driving system was faulty. D) The car was moving at a fast speed. 2. A) They have done better than conventional cars. B) They have caused several severe crashes. C) They have posed a threat to other drivers. D) They have generally done quite well. Questions 3 to 4 are based on the conversation you have just heard. 3. A) He works at a national park. B) He is a queen been specialist. C) He removed the beyond from the boot. D) He drove the bees away from his car. 4. A) They were looking after the queen B) They were making a lot of noise C) They were looking for a new box to live in 第2页共 18 页</p><h2>2017年6月大学英语四级真题试卷及答案(第2套)</h2><p>2017年6月大学英语四级真题及答案(二) Part I Writing (25 minutes) (请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions:For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell a bicycle you used at college. Your advertisement may include its brand, features,condition and price, and your contact information. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (30 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 questions will be spoken only once. After you hear questions, 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. 注意:此部分试题请在答题卡1上作答。 Questions 1 to 2 are based on the conversation you have just heard. 1. A) The majority of drivers prefer to drive and park themselves. B) Human drivers become easily distracted or tired while driving. C) Most drivers feel uncertain about the safety of self-driving cars. D) Most drivers have test driven cars with automatic braking features. 2. A) Their drivers would feel safe after getting used to the automatic devices. B) They would be unpopular with drivers who only trust their own skills. C) Their increased comfort levels have boosted their sales. D) They are not actually as safe as automakers advertise. Questions 3 to 4 are based on the conversation you have just heard.</p><h2>2017年4月、11月浙江省技术选考真题</h2><p>2017年4月浙江省普通高校招生选考科目考试 技术试题 姓名:准考证号: 考生须知: 本试题卷分两部分,第一部分信息技术,第二部分通用技术。全卷共16页,第一部分1 至10页,第二部分11至16页。满分100分,考试时间90分钟。其中加试题部分为30分,用【加试题】标出。 1.答题前,请务必将自己的姓名、准考证号用黑色字迹的签字笔或钢笔填写在答题纸上。 2.答题时,请按照答题纸上“注意事项”的要求,在答题纸相应的位置上规范作答,在本试题卷上的作答一律无效。 3.非选择题的答案须用黑色字迹的签字笔或钢笔写在答题纸上相应区域内,作图时可先使用2B铅笔,确定后须用黑色字迹的签字笔或钢笔描黑,答案写在本试题卷上无效。 第一部分信息技术(共50分) 一、选择题(本大题共12小题,每小题2分,共24分。在每小题给出的四个选项中,只有一个符合题目要求) 1.关系信息安全与网络道德,下列做法正确的是() A.确认环境安全后输入支付密码 B.随意扫描网页中的二维码 C.未经许可,将他人的私人生活视频上传到网上 D.在论坛里转发会造成社会不良影响的信息 2.下列有关浏览器与网页的说法,正确的是() A.通过超链接可实现网页之间的跳转 B.通过搜索引擎检索到的信息,排在前面的可信度必定较高 C.在IE浏览器中清空历史记录,搜藏夹中的网址被同时清空 D.IE浏览器中以“HTML”格式另存网页,网页中的图片同时被保存 3.使用Word软件编辑某文档,部分界面如图所示。 下列说法正确的是() A.批注的对象是“地处西湖边” B.删除批注,文字“太子湾”同时被删除 C.修订前,第三行文字是“地处西湖边太子湾公园,郁金香争奇斗艳。” D.接受所有修订后,第三行文字是“太子湾公园中郁金香花争奇斗艳。” 4.使用UltraEdit软件观察字符“挑战AlphaGo!”的内码,部分界面如图所示。 下列说法正确的是() A.字符“!”的内码占两个字节 B.字符“战”的十六进制码是“BD 41” C.字符“h”的二进制码是“01101000” D.字符“go”的十六进制码是“47 6F” 5.关于Access数据表的操作,下列说法正确的是() A.重命名数据表,数据表名不能与表中的字段名相同 B.删除字段,数据表中该字段的值随之被删除 C.删除记录,剩余记录中数据类型为自动编号的字段值会自动更新 D.Access数据表不能导出到Excel电子表格 6.某算法的部分流程图如图所示。执行这部分流程,依次输入3,4,-1,则输出s的值是()A.-2 B.-1 C.0 D.1 场景:起源类别序号:3 进入方式:单击“目录”场景的“起源”按钮进入 呈现方式: 1 “太阳”从舞台右下方移到舞台中上 方,再移动到舞台左下方。呈现顺序说明: 1 一开始出现背景图片、背景音乐。 2 3秒后出现“太阳”动画,持续到本场景结束。</p><h2>2017年6月大学英语四级真题(第三套)</h2><p>2017年6月大学英语四级真题(第三套) Part I Writing (30 minutes) (请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions:For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell some of the course books you used at college. Your advertisement may include a brief description of their content,their condition ,their price and your contact information. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (25 minutes) 说明:2017年6月大学英语四级考试全国共考了两套听力.本套的听力内容与第二套相同,因此本套听力部分不再重复给出。 Part ⅢReading Comprehension (40 minutes) Section A Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices, Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once. Questions 26 to 35 are based on the following passage. As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes. Fear not, however, for coffee can stimulate them again. During (26)_______ exercise, our muscles tire as they run out of fuel and build up waste products. Muscle performance can also be affected by a (27)_______ called "central fatigue,” in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements(28)_______. It was not known, however, whether central fatigue might also affect motor systems not directly (29) _______ in the exercise itself, such as those that move the eyes. To find out, researchers gave 11 volunteer cyclists a carbohydrate (碳水化合物的)(30)_______ either with a moderate dose of caffeine (咖啡因),which is known to stimulate the central nervous system, or as a placebo (安慰剂)without, during 3 hours of (31)_______ . After exercising, the scientists tested the cyclists with eyetracking cameras to see how well their brains could still (32)_______ their visual system. The team found that exercise reduced the speed of rapid eye movements by about 8%, (33)_______ their ability to capture new visual information. The caffeine, the equivalent of two strong cups of coffee, was (34)_______ to reverse this effect, with some cyclists even displaying (35)_______ eye movement speeds. So it might be a good idea to get someone else to drive you home after that marathon.</p><h2>2017年6月英语四级真题 (第1套)</h2><p>2017年12月英语四级真题第一套 Part I Writing (30 minutes) Directions:For this part, you are allowed 30 minutes to write a short essay on how to best handle the relationship between doctors and patients. 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 1 and 2 are based on the news report you have just heard. 1.A) Her grandfather. C) Her friend Erika. B) Her grandmother. D) Her little brother. 2. A) By taking pictures for passers-by. C) By selling lemonade and pictures. B) By working part time at a hospital. D) By asking for help on social media. Questions 3 and 4 are based on the news report you have just heard. 3. A) Finding cheaper ways of highway construction. B) Generating electric power for passing vehicles. C) Providing clean energy to five million people. D) Testing the efficiency of the new solar panel. 4. A) They can stand the wear and tear of natural elements. B) They can be laid right on top of existing highways. C) They are only about half an inch thick. D) They are made from cheap materials. Questions 5 to 7 are based on the news report you have just heard. 5. A) Endless fighting in the region. C) Inadequate funding for research. B) The hazards from the desert. D) The lack of clues about the species. 6. A) To observe the wildlife in the two national parks. B) To identify the reasons for the lions’ disappearance. C) To study the habitat of lions in Sudan and Ethiopia. D) To find evidence of the existence of the “lost lions”. 7. A) Lions walking. C) Some camping facilities.</p><h2>2017年4月浙江省技术选考真题含答案</h2><p>绝密★考试结束前 2017年4月浙江省普通高校招生选考科目考试 信息技术试题 姓名:准考证号: 一、选择题(本大题共12小题,每小题2分,共24分。每小题列出的四个备选项中只有一个是符合题 目要求的,不选、多选、错选均不得分) 1.关于信息安全与网络道德,下列做法正确的是 A.确认环境安全后输入支付密码B.随意扫描网页中的二维码 C.未经许可,将他人的私人生活视频上传到网上D.在论坛里转发会造成社会不良影响的信息2.下列有关浏览器与网页的说法,正确的是 A.通过超链接可实现网页之间的跳转 B.通过搜索引擎检索到的信息,排在前面的可信度必定较高 C.在IE浏览器中清空历史记录,收藏夹中的网址被同时清空 D.IE浏览器中以“仅HTML”格式另存网页,网页中的图片同时被保存 3.使用Word软件编辑某文档,部分界面如图所示。 下列说法正确的是 A.批注的对象是“地处西湖边” B.删除批注,文字“太子湾”同时被删除 C.修订前,第三行文字是“地处西湖边太子湾公园,郁金香争奇斗艳。”</p><p>D.接受所有修订后,第三行文字是“太子湾公园中郁金香花争奇斗艳。” 4.使用UltraEdit软件观察字符“挑战AlphaGo!”的内码,部分界面如图所示。 下列说法正确的是 A.字符“!”的内码占两个字节 B.字符“战”的十六进制码是“BD 41” C.字符“h”的二进制码是“01101000” D.字符“go”的十六进制码是“47 6F” 5.关于Access数据表的操作,下列说法正确的是 A.重命名数据表,数据表名不能与表中的字段名相同 B.删除字段,数据表中该字段的值随之被删除 C.删除记录,剩余记录中数据类型为自动编号的字段值会自动更新 D.Access数据表不能导出到Excel电子表格 6.某算法的部分流程图如图所示。执行这部分流程,依次输入3,4,-1,则输出s的值是 A.-2B.-1 C.0D.1 7.某动画“起源”场景的制作脚本如表所示。 场景:起源类别序号:3进入方式:单击“目录”场景的“起源”按钮进入 呈现方式: 1.“太阳”从舞台右下方移到舞台中上 方,再移动到舞台左下方。 2.“返回”按钮位于舞台右下角,单击 该按钮,动画返回到“目录”场景。呈现顺序说明: 1.一开始出现背景图片、背景音乐。 2.3秒后出现“太阳”动画,持续到本场景结束。 3.最后出现“返回”按钮。</p><h2>2017年6月大学英语四级真题及答案详解</h2><p>2017 年 6 月大学英语四级真题及答案详解 2017年6月大学英语四级真题及答案详解 (第一套) Part I Writing(25 minutes) ( 请于正式开考后半小时内完成该部分,之后将进行听力考试) Directions: For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell a computer you used at college. Your advertisement may include its brand, specifications/features, condition and price, and your contact information.You should write at least 120 words but no more than 180 words. Part II Listening Comprehension(30 minutes) Section A Directions: In this section, you will hear three newsreports. At the end of each newsreport, you will hear two or three questions. Both the news report and questions will be spoken only once. After you hear questions, 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. 注意:此部分试题请在答题卡1xx 作答。 Questions 1 to 2 are based on the conversation you have just heard. 1. A) The man in the car was absent-minded. 2017 年 6 月大学英语四级真题及答案详解 B) The test driver made a wrong judgement. C) The self-driving system was faulty.</p> <div> <div>相关主题</div> <div class="relatedtopic"> <div id="tabs-section" class="tabs"> <ul class="tab-head"> <li id="5204318"><a href="/topic/5204318/" target="_blank">2017年6月英语四级</a></li> <li id="6472817"><a href="/topic/6472817/" target="_blank">2017年4月浙江历史</a></li> <li id="3909815"><a href="/topic/3909815/" target="_blank">四级真题2017年6月</a></li> <li id="12564897"><a href="/topic/12564897/" target="_blank">2017年4月中国近现代</a></li> <li id="12524913"><a href="/topic/12524913/" target="_blank">英语四级2017年6月</a></li> </ul> </div> </div> </div> </div> <div class="category"> <h2 class="navname">相关文档</h2> <ul class="lista"> <li><a href="/doc/dc17357624.html" target="_blank">2017年6月大学英语四级真题及答案详解</a></li> <li><a href="/doc/184202408.html" target="_blank">2017年6月大学英语四级听力真题和答案</a></li> <li><a href="/doc/4e732812.html" target="_blank">2017年6月英语四级考试真题及答案</a></li> <li><a href="/doc/6f13653960.html" target="_blank">2017年6月大学英语四级考试真题(完整版)及答案</a></li> <li><a href="/doc/9c2776349.html" target="_blank">2017年6月英语四级考试真题试卷3</a></li> <li><a href="/doc/b415852117.html" target="_blank">2017年6月大学英语四级真题及答案</a></li> <li><a href="/doc/0610929155.html" target="_blank">英语四级真题2017年6月(第一套)试卷及答案解析</a></li> <li><a href="/doc/fd10495997.html" target="_blank">2017年6月英语四级真题及答案文字版整理word下载</a></li> <li><a href="/doc/3a7078413.html" target="_blank">2017年6月大学英语四级真题试卷三</a></li> <li><a href="/doc/645723239.html" target="_blank">2017年6月大学英语四级(3套全)真题试卷及答案</a></li> <li><a href="/doc/7a9575031.html" target="_blank">2017年6月大学英语四级考试真题与答案完整版</a></li> <li><a href="/doc/a311820651.html" target="_blank">2017年6月大学英语四级真题试卷及答案(第3套)</a></li> <li><a href="/doc/cd17465717.html" target="_blank">2017年6月大学英语四级答案及解析第一套【完整版】</a></li> <li><a href="/doc/1c712872.html" target="_blank">2017年6月卷二英语四级听力真题</a></li> <li><a href="/doc/48138952.html" target="_blank">(完整版)大学英语四级真题解析【2017年6月版】</a></li> <li><a href="/doc/6f11665155.html" target="_blank">2017年6月大学英语四级真题(第1-3套完整版)试卷及答案</a></li> <li><a href="/doc/91185379.html" target="_blank">2017年6月大学英语四级真题试卷及答案(第1套)</a></li> <li><a href="/doc/b011044804.html" target="_blank">2017年6月大学英语四级真题(第一套)</a></li> <li><a href="/doc/f79072894.html" target="_blank">2017年6月大学英语四级真题及答案三套全</a></li> <li><a href="/doc/3a6204170.html" target="_blank">2017年6月英语四级真题 (第1套)</a></li> </ul> <h2 class="navname">最新文档</h2> <ul class="lista"> <li><a href="/doc/0919509601.html" target="_blank">幼儿园小班科学《小动物过冬》PPT课件教案</a></li> <li><a href="/doc/0d19509602.html" target="_blank">2021年春新青岛版(五四制)科学四年级下册 20.《露和霜》教学课件</a></li> <li><a href="/doc/9419184372.html" target="_blank">自然教育课件</a></li> <li><a href="/doc/3c19258759.html" target="_blank">小学语文优质课火烧云教材分析及课件</a></li> <li><a href="/doc/d619211938.html" target="_blank">(超详)高中语文知识点归纳汇总</a></li> <li><a href="/doc/a219240639.html" target="_blank">高中语文基础知识点总结(5篇)</a></li> <li><a href="/doc/9e19184371.html" target="_blank">高中语文基础知识点总结(最新)</a></li> <li><a href="/doc/8f19195909.html" target="_blank">高中语文知识点整理总结</a></li> <li><a href="/doc/8619195910.html" target="_blank">高中语文知识点归纳</a></li> <li><a href="/doc/7819336998.html" target="_blank">高中语文基础知识点总结大全</a></li> <li><a href="/doc/7b19336999.html" target="_blank">超详细的高中语文知识点归纳</a></li> <li><a href="/doc/6a19035160.html" target="_blank">高考语文知识点总结高中</a></li> <li><a href="/doc/6719035161.html" target="_blank">高中语文知识点总结归纳</a></li> <li><a href="/doc/4b19232289.html" target="_blank">高中语文知识点整理总结</a></li> <li><a href="/doc/3d19258758.html" target="_blank">高中语文知识点归纳</a></li> <li><a href="/doc/2919396978.html" target="_blank">高中语文知识点归纳(大全)</a></li> <li><a href="/doc/2819396979.html" target="_blank">高中语文知识点总结归纳(汇总8篇)</a></li> <li><a href="/doc/1219338136.html" target="_blank">高中语文基础知识点整理</a></li> <li><a href="/doc/e819066069.html" target="_blank">化工厂应急预案</a></li> <li><a href="/doc/b819159069.html" target="_blank">化工消防应急预案(精选8篇)</a></li> </ul> </div> </div> <script> var sdocid = "98619213a55177232f60ddccda38376baf1fe094"; </script> <div class="footer"> <p>© 2013-2022 www.sodocs.net  <a href="/sitemap.html">站点地图</a> | <a href="/tousu.html" target="_blank">侵权投诉</a></p> <p><a href="https://beian.miit.gov.cn/">闽ICP备11023808号-8</a>  本站资源均为网友上传分享,本站仅负责收集和整理,有任何问题请在对应网页下方投诉通道反馈<script type="text/javascript">tj();</script></p> </div> </div> </body> </html>