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新东方 2017 GMAT官方指南(数学)

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GMAT是目前被广泛使用的工商管理硕士的入学考试,是当前被广泛认可的测试考生是否具备顺利完成工商管理硕士项目学习能力的考试项目。由GMAT考试的创办者Graduate Management Admission Council编写的《(2017)GMAT官方指南(数学)》,是GMAT考生备考GMAT考试数学部分的必备辅导书。

《(2017)GMAT官方指南(数学)》由新东方单家原版引进,是中国大陆单家的授权版本。相较于上一版,2017年新版数学官方指南包含300道全真试题,其中还有45道从未公布过的题目,涵盖GMAT考试数学部分所有题型,并配有全面的答案解析。此外,本书还提供个性化在线练习题库和在线视频,为考生提供学习建议和考试策略,助考生一臂之力。

Content Description

《(2017)GMAT官方指南(数学)》是GMAC(GMAT考试命题机构)中国大陆单家授权版本,是GMAT考试数学部分的专业辅导书。书中包含300道全真试题,其中还有45道从未公布过的题目,涵盖GMAT考试数学部分所有题型,并配有全面的答案解析。另附有辅助学习网站,提供个性化在线练习题库。此外,随书所附的在线视频中包含学习建议和应试策略,可帮助考生高效备考。

Author Description

GMAT的主办方GMAC,Graduate Management Admission Council,是总部位于美国的一个非营利性教育协会,其成员包括世界各地许多知名的商学院。GMAC通过一系列的产品、服务和项目,满足企业、学校和学生的需求,它也是有关研究生教育管理信息和研究的主要资源。GMAC是研究生入学考试(GMAT)的所有者和管理者,于1954年创办了GMAT考试。

Catalogue

1.0 What Is the GMAT®? 4

1.0 What Is the GMAT®? 5

1.1 Why Take the GMAT® Exam? 5

1.2 GMAT® Exam Format 6

1.3 What Is the Content of the Test Like? 7

1.4 Quantitative Section 8

1.5 Verbal Section 8

1.6 What Computer Skills Will I Need? 9

1.7 What Are the Test Centers Like? 9

1.8 How Are Scores Calculated? 9

1.9 Analytical Writing Assessment Scores 9

1.10 Test Development Process 10

2.0 How to Prepare 12

2.0 How to Prepare 13

2.1 How Can I Best Prepare to Take the Test? 13

2.2 What About Practice Tests? 13

2.3 Where Can I Get Additional Practice? 14

2.4 General Test-Taking Suggestions 14

3.0 Math Review 16

3.0 Math Review 17

3.1 Arithmetic 18

3.2 Algebra 29

3.3 Geometry 37

3.4 Word Problems 49

4.0 Problem Solving 58

4.0 Problem Solving 59

4.1 Test-Taking Strategies 60

4.2 The Directions 60

4.3 Sample Questions 62

4.4 Answer Key 87

4.5 Answer Explanations 89

5.0 Data Sufficiency 148

5.0 Data Sufficiency 149

5.1 Test-Taking Strategies 150

5.2 The Directions 152

5.3 Sample Questions 154

5.4 Answer Key 166

5.5 Answer Explanations 167

Appendix A Answer Sheets 212

Problem Solving Answer Sheet 213

Data Sufficiency Answer Sheet 214

Introduction

GMAT简介

GMAT是Graduate Management Admission Test的缩写,中文名称为经企管理研究生入学考试。它是一种标准化考试,目前已经被广泛地用做工商管理硕士的入学考试,是当前最为可靠的测试考生是否具备顺利完成工商管理硕士项目学习能力的考试项目,专门帮助各商学院或工商管理硕士项目评估申请人是否具备在工商管理方面继续深造学习的资格。

目前GMAT的主办方GMAC,Graduate Management Admission Council,是总部位于美国的一个非营利性教育协会,其成员包括世界各地许多知名的商学院。

1997年GMAC将(GMAT)改为计算机考试,并从一年四次考试增加为一年216次。考试次数增加,人数增多,评分工作量增大,故而E-Rater被引进到电脑考试作文的判分工作中。现在,GMAC已经认为E-Rater软件判分相对于传统的由教师阅读判分要更为有效。

GMAT已成为各国英文商学院的入学考试。它是一个跨越文化、语言、性别、年龄的预测考生能力的有利的工具,因为每一道题都对成千上万的考生有效,科学性很强。采用区别功能来判断考生的答案是否因性别、年龄、人种而有区别,故而有些考题不计分。如果考生的答案表现在是由于上述原因,而非因为能力答出来的话,这道题就被取消了。

GMAT考试不仅考查申请人的语言能力和数学能力,还要测试其头脑反应、逻辑思维和解决实际问题的能力。一般来说,GMAT考试能较真实地反映应试者的英语水平,因而受到越来越多的专业和学校的重视和好评。不论在美国还是欧洲,只要用英语教授MBA的学校都采用GMAT作为入学考试。目前,全世界有近千所大学采用GMAT考试。

在中欧和东欧,GMAT是衡量学生分析写作能力的一个重要评判标准。在那里,考生的数学部分的分数都非常高,而语言和分析写作部分成绩好的话则表明:你是一个少有的杰出考生。因此如果你要用英语上MBA的话,你必须将你的分析写作的能力在申请前就提高到一定档次。

GMAT考试形式

GMAT考试采取计算机化的自适应考试形式。作为自适应性考试,考试从多选题部分开始,考题将在考生开始考试时才被挑选出来。在每个考试部分开始时,考生会接触到中等难度的问题。在考生回答考题的同时,计算机会对考生的答案进行评分,并根据评分结果和考生对先前考题的回答来决定显示给考生的下一道问题。正确的答案一般而言将增加此后出现的考题难度。而错误的答案通常会将降低考题的难度。

这个过程将会持续到考生完成整个部分,计算机将会准确评估考生在该部分的能力水平。在计算机自适应考试中,每次出现一道考题。一旦考生回答了一道问题并选择继续,考生将无法退回和修改此前的答案,因为计算机需要对每一考题进行评分以选择下一道考题。

考试前,考生最多可以选择5所想投送成绩的大学或项目投送GMAT考试成绩。投送费用已包含在考试费中。如需加送GMAT成绩,则需要通过注册中心或MBA网站付费订购。

在看到考试结果前,考生有机会决定是否取消本次考试成绩。如果考生选择取消,成绩将不被打印并且其选择的学校也不会收到考试成绩。但是本次考试仍然会被记录在档,如果未来考生再次参加考试并接受考试成绩时,本次记录将列在所发送的成绩单上。

如果考生选择接受本次考试结果,非正式成绩单将显示在考试机屏幕上并在同时打印出来。非正式成绩单只显示考生数学和语文部分的成绩。分析写作和综合推理部分的成绩将在结果回传后由专人评判。非正式成绩单上同时列出将接受成绩的学校信息。同时该成绩单上还给出了考生在网站上查看成绩的验证码。考生大约将在考试结束的20天后获得正式成绩单(含分析写作和综合推理部分成绩)。

GMAT考试提供两个8分钟的可选休息。如果休息时间超出,随后的考试时间将被自动扣除。考试过程中,考生可以要求临时休息,但考试时间将会被自动扣除。

考试题型及内容

GMAT考试由四个部分组成——分析性写作,综合推理部分,数学部分和语文部分。考试总时间(包括休息)大约是4小时。四个部分分别为:

1. 分析性写作(Analytical Writing Assessment)

分析性写作包括一篇时长为30分钟的论证分析(Analysis of an Argument)。考生在考试中分析的论证均为一般性题目,有些与商业相关,有些则涉及其他方面。然而,请注意,具体的商业知识或其他领域的知识并非完成该题的前提条件。该题仅评估考生的分析性写作能力。

考生要基于一项给定的论证,分析论证背后的推理和假设,然后对该论证的有效性进行批判性评价。就该话题考生不需要给出自己的观点。

2. 综合推理(Integrated Reasoning)

GMAT考试综合推理部分一共由12个问题组成,题型分别为图表解读、二段式分析、表格分析、多源推理。30分钟的综合推理部分测试会用四种模式:

图表解读:要求申请人对图形或图像进行说明,并通过选择相应选项来回答相关陈述是否正确。

二段式分析:解题包括两个部分,可选答案将以列表形式展现,每部分各一栏。

表格分析:向申请人提供一份类似电子表格的分类信息表,申请人必须对该表进行分析,以便根据所提供的信息来确定表述是否正确。

多源推理:标签页下给出两至三个信息来源后会提出问题。申请人通过点击标签页并审读所有相关信息(可能会集文本、图表为一体)来回答问题。

3. 数学部分/定量推理(Quantitative)

GMAT考试定量推理部分测试考生进行数理推断、解决数学问题和解读图形数据的能力。问题求解和数据充分性判断两类问题都需要有关算术、基础代数和常见几何概念的知识。该部分共有37道选择题,题型包括数据充分性分析和问题求解,考试时间75分钟。

问题求解:测试考生的数学技能和对基本数学概念的理解能力,以及进行数学推断和解决数学问题的能力。

数据充分性判断:测试考生在分析数学问题、识别相关信息并判断问题求解所需的充足信息方面的能力。每道“数据充分性判断”题都包含一些初步信息和两句陈述。这两个陈述句分别标注为 (1) 和 (2)。考生必须判断句子中给出的数据是否足以解答命题。

4. 语文部分/文本逻辑推理(Verbal)

GMAT考试的文本逻辑推理部分旨在衡量考生在阅读和理解书面材料,审视推理论据,以及改正书面材料使其符合标准书面英语规范的能力。该部分共有41道选择题,题型包括阅读理解、逻辑推理和句子改错。考试时间75分钟。

阅读理解:每一篇文章均不超过350个英文单词,内容涉及社科、理科及商科相关领域(营销、经济学、人力资源管理等)。旨在考察考生在理解、分析和应用书面形式的信息及概念方面的能力。

逻辑性推理:测试考生在提出论据、评判论据及制定或判断一项行动计划方面的推理能力。题目的材料来自于不同领域。熟悉专业知识并非解答该类考题的前提条件。

句子改错:包括五个选项,要求考生熟悉标准书面英语的体裁风格和语法规则,并测试考生对错误用语或非有效表述的改进能力。

考试报名网站

https://www.mba.com/ 或https://gmat.etest.edu.cn/ (教育部考试中心GMAT报名官网)

注册须知

考生最早可提前六个月注册考试或进行考试改期。同时考生两次考试预约的间隔必须超过31天,在连续的12个月内最多可参加5次GMAT考试。

获得考试成绩800分的考生5年内将不能再次参加GMAT考试。

GMAT考试不提供当天注册服务,考生至少提前一天注册考试。考场不提供注册服务。

GMAT考生注册考试时,请准确地按照护照上的姓名拼音和出生日期注册。如考生护照上姓名或出生日期和考试系统中的信息不符,考生将无法参加考试。并且不退还考试费用。

2006年起中国考生的唯一有效证件为护照(注:必须在有效期内)。外籍考生在中国参加GMAT考试,必须提供护照(注:必须在有效期内)作为有效证件。

GMAT 人民币考费及其他服务的收费如下

考试费 1725元

改期费 345元,或1725元

快递费 185元

成绩增送费 195元

Essay Rescore 310元

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