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　　本书的内容详实丰富，是作者多年一线教学经验的积累，对备考全国英语等级考试第四级有很强的指导作用。

内容简介

　　本教材共有12章，每章覆盖一个交际话题。各章的首页提示简要描述了在本章（交际话题）内PETS第四级考生应达到的英语交际水平。

　　本教材共有15个单元，每单元内容包括：

　　1. 会话该部分由与本单元交际话题相关的2段会话组成，会话情景真实、语言地道、长短恰当、难度适宜，目的是训练和提高学习者的听力水平。每段会话前，均有提示语点明会话的背景和数道依据会话内容设置的问题，以帮助考生充分理解和操练会话。

　　2. 短文短文是体现话题的阅读材料。每单元中均有一篇与该单元话题相关的短文，目的是训练和提高考生的阅读理解水平。此外，每单元短文后均附有5个问题，以帮助考生了解自己对短文的理解程度。

　　3. 单词和短语单词和短语是本单元会话和短文中出现的生词和短语，并按在会话和短文中出现的先后顺序给出了单词的新国际音标、词性和中文释义。

　　4. 注释注释针对会话和短文，内容包括两方面：一是从语法、词汇等方面点拨会话和短文中的难点；二是对长句难句进行语法分析，并举例讲解语言点、知识点，目的是训练考生灵活运用语言的能力。

　　5. 模拟训练模拟训练是针对各单元的话题和重点考试内容设计的，考生可以对该单元的学习情况进行检测。该部分题型与笔试、口试考试真卷要求一致，以便于考生全面备考PETS四级。

　　6. 补充阅读为使考生对相关话题进行更深入的了解，提高阅读能力，在每单元后均附有一篇补充阅读。

　　7. 扫描书中二维码，即可手机播放听力及显示同步字幕。

　　以上录音均由北美专业播音员朗读，发音标准、口音地道；听力练习的朗读语音、语速、停顿时长、朗读遍数均与真实考试一致。

　　愿所有考生顺利通过考试，学到真正有用的知识！

目录

CHAPTER 1 COMPUTER AND INFORMATION 第一章计算机与信息

Unit 1 Computer and Information（Ⅰ）计算机与信息（Ⅰ）

Conversations

Passage

Simulated Training

Supplementary Reading

Unit 2 Computer and Information（Ⅱ）计算机与信息（Ⅱ）

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 2 ECONOMY 第二章经济

Unit 3 Economy（Ⅰ）经济（Ⅰ）

Conversations

Passage

Simulated Training

Supplementary Reading

Unit 4 Economy（Ⅱ）经济（Ⅱ）

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 3 FAMOUS PEOPLE 第三章名人

Unit 5 Famous People名人

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 4 MANNERS AND CUSTOMS 第四章风俗习惯

Unit 6 Manners and Customs风俗习惯

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 5 CITIES 第五章城市

Unit 7 Cities城市

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 6 HIGHER EDUCATION 第六章高等教育

Unit 8 Higher Education高等教育

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 7 LITERATURE AND ART 第七章文学与艺术

Unit 9 Literature and Art文学与艺术

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 8 LANGUAGE AND COMMUNICATION 第八章语言与交际

Unit 10 Language and Communication语言与交际

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 9 ENVIRONMENT 第九章环境

Unit 11 Environment（Ⅰ）环境（Ⅰ）

Conversations

Passage

Simulated Training

Supplementary Reading

Unit 12 Environment（Ⅱ）环境（Ⅱ）

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 10 GEOGRAPHY 第十章地理

Unit 13 Geography地理

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 11 CULTURE 第十一章文化

Unit 14 Culture文化

Conversations

Passage

Simulated Training

Supplementary Reading

CHAPTER 12 SCIENCE AND TECHNOLOGY 第十二章科学与技术

Unit 15 Science and Technology科学与技术

Conversations

Passage

Simulated Training

Supplementary Reading

附录

附录一 对话、短文问题答案

附录二 听力练习录音稿

附录三 模拟训练答案

附录四 单词表

精彩书摘

　　Conversation 1

　　Two fathers are talking about reducing children’s burden.Mr.Black：Mr.Brown，I feel our children are excessively burdened by school work.

　　Mr.Brown：I think you are right there.The more homework they are given，the less play they enjoy.To make it worse，many parents always expect their children to be the best.

　　Mr.Black：As a result，teachers at school put more pressure on their children.But really，it’s not good for children’s growth.More importantly，it’s not good for developing their comprehensive ability.

　　Mr.Brown：I can’t agree more.Children are deprived of childhood pleasures.

　　Mr.Black：I feel happy when I was told that schools may disappear in the future.

　　Mr.Brown：Disappear？What do you mean？

　　Mr.Black：I mean they will be replaced by home computer teachers.

　　Mr.Brown：It sounds good.In that way，children may have great fun while learning.

　　Mr.Black：That’s what I am thinking.Home��

　　work will be done on computer.It’s rather playful.

　　Mr.Brown：But at the same time，I have some worries.What about children’s personality development？I mean computer teachers are not good for children’s personality development.

　　Mr.Black：That’s not a problem.You see，technology is developing so fast.All types of human personality can be programmed to help children grow.

　　Mr.Brown：That’s better. I hope that day will come very soon.

　　Conversation 2

　　One student is asking his teacher for some information.Tom：Professor Wang，I hope I’m not interrupting.But I have some questions.

　　Professor：Not at all.What is it about？

　　Tom：In class，we have learned so many terms.My first impulse is to ask：“What’s new in electronics？”I suppose that would be silly.

　　Professor：No，the question is all right.You know，there’s something new in electronics almost every day.Where do I start？

　　Tom：What about the term “microelectronics”？Does it mean miniaturization？

　　Professor：No，it’s a step further into the sphere of micro�瞞iniaturization.To me it’s the most exciting field，particularly the mini�瞔omputer.

　　Tom：How “mini” can it be，can you tell me？

　　Professor：Well，it’s already possible to have one hundred and forty distinct circuits on a one�瞚nch disc of silicon.

　　Tom：I see.Then we can make an apparatus smaller in size and lighter in weight.

　　Professor：The cost of production can be decreased too.

　　Tom：The author says this micro�瞞iniaturization can lead itself to greater safety in another way.How do you think of it？

　　Professor：Of course，it’s true.In duplicate systems，for example，if one electronic device fails，a relay would automatically switch on a duplicate.And at the same time，the possibility of a failure is also decreased.

　　Tom：But how？

　　Professor：These micro�瞞iniaturized devices have no bit of wire soldered here and there.There is no broken joints.

　　Tom：But what if a fault does occur？How do you repair it？

　　Professor：Using test equipment，of course.You locate the faulty circuit，then simply withdraw it，throw it away and plug in a new one.

　　Tom：It’s really wonderful.

　　Words & Expressions

　　burden /�瘢猡棴拢洵迹�/ n.负担

　　v.加负担于…

　　comprehensive /��ｋ�CｍｐｒＩ�瘢瑁澹睿螅桑�/ adj.综合的

　　deprive /ｄＩ�瘢穑颍幔桑�/ v.剥夺，使…丧失

　　deprive sb.of sth.使某人丧失某物

　　replace /ｒＩ�瘢穑欤澹桑�/ v.代替，取代

　　personality /�齪�棴聅�棘駈�ul�紅Ｉ/ n.个性，性格

　　interrupt /��Ｉｎｔ�棘瘢颦荆穑�/ v.打扰

　　impulse /�瘢蒻p�緇s/ n.突然的欲望，冲动

　　electronics /Ｉ��ｌｅｋ�瘢簦颔CｎＩｋｓ/ n.电子学

　　silly /�瘢螅桑欤�/ adj.愚蠢的

　　microelectronics /��ｍａＩｋｒ�辑危森�ｌｅｋ�瘢簦颔CｎＩｋｓ/n.

　　微电子学

　　miniaturization/��ｍＩｎＩ�迹舡拉迹颍幔涩瘢�ｅＩ�拉迹�/n.小型化

　　sphere /ｓｆＩ��/ n.（活动、兴趣）范围，领域

　　distinct /dＩs�駎Ｉ�莐t/ adj.截然不同的，完全分开的

　　apparatus /���uｐ�棘瘢颍澹桑舡迹�/ n.器械，仪器

　　lead oneself to将自身领向duplicate /�瘢洌辏醐拢穑欤桑耄澹桑�/n.完全一样的东西；副本

　　adj.完全一样的，复制的

　　relay /�瘢颍榄拢欤澹�/ n.继电器

　　switch on打开

　　solder /�瘢螗Cｌｄ��/ v.焊接joint /ｄ�氓CＩｎｔ/ n.连接处

　　fault /ｆ�凯拢欤�/ n.故障

　　occur /�棘瘢毪棴�/ v.发生

　　locate /ｌ�辑维瘢耄澹桑�/ v.找出…的位置

　　faulty /�瘢姝凯拢欤簦�/ adj.有故障的

　　plug in插上（插头）

　　1. I think you are right there.

　　I can’t agree more.

　　That’s what I’m thinking.

　　这三句话均用于表达对别人观点的赞同。

　　2. To make it worse，many parents always expect their children to be the best.

　　更糟糕的是，许多父母亲总是期望他们的孩子成为最好的。

　　3. mini是一个前缀，意为：小。

　　e.g. 迷你裙miniskirt，小型公共汽车minibus

　　4. What if a fault does occur？要是真发生故障怎么办？

　　What if...？意为： 如果…怎么办？

　　e.g. What if it rains？

　　……

京东的书不错，送货快

挺好的。听了下听力

不错不错不错不错不错

书到货速度很快，正在学习中，让我快快流利说英语~

配送快，希望提高自己的词汇量，不错不错不错不错

书不错，值得购买

好的，好的，没话说了，好的。哈哈哈哈哈哈哈哈哈哈哈哈哈哈。

还没开始用呢，但是随意翻了翻 挺好的

挺好的。听了下听力