GMAT官方指南

內容概要

　　The Official Guide for GMAT Review, 12th Edition is the only book on the market written by the creators of the GMAT exam. Inside you’ll find more than 800 actual GMAT questions from previous tests with answers and detailed explanations. There’s also a grammar review, math review, actual essay topics, sample responses, and scoring information insights into the GMAT exam that debunk test-taking myths. Plus, use the diagnostic section to pinpoint your skill level and focus on the areas where you need the most help.

書籍目錄

1.0　What Is the GMAT?1.1　Why Take the GMAT Test?1.2　GMAT Test Format1.3　What Is the Content of the Test Like?1.4　Quantitative Section1.5　Verbal Section1.6　What Computer Skills Will l Need?1.7　What Are the Test Centers Like?1.8　How Are Scores Calculated?1.9　Analytical Writing Assessment Scores1.10 Test Development Process2.0　How to Prepare2.1　How Can I Best Prepare to Take the Test?2.2　What About Practice Tests?2.3　How Should I Use the Diagnostic Test?2.4　Where Can I Get Additional Practice?2.5　General Test-Taking Suggestions3.0　Diagnostic Test3.1　Quantitative Sample Questions3.2　Verbal Sample Questions3.3　Quantitative and Verbal Answer Keys3.4　Interpretive Guide3.5　Quantitative Answer Explanations3.6　Verbal Answer Explanations4.0　Math Review4.1　Arithmetic4.2　Algebra4.3　Geometry4.4　Word Problems5.0　Problem Solving5.1　Test-Taking Strategies5.2　The Directions5.3　Sample Questions5.4　Answer Key5.5　Answer Explanations6.0　Data Sufficiency6.1　Test-Taking Strategies6.2　The Directions6.3　Sample Questions6.4　Answer Key6.5　Answer Explanations7.0　Reading Comprehension7.1　What Is Measured7.2　Test-Taking Strategies7.3　The Directions7.4　Sample Questions7.5　Answer Key7.6　Answer Explanations8.0　Critical Reasoning8.1　What Is Measured8.2　Test-Taking Strategies8.3　The Directions8.4　Sample Questions8.5　Answer Key8.6　Answer Explanations9.0　Sentence Correction9.1　Basic English Grammar Rules9.2　Study Suggestions9.3　What Is Measured9.4　Test-Taking Strategies9.5　The Directions9.6　Sample Questions9.7　Answer Key9.8　Answer Explanations10.0 AnalyticaIWriting Assessment10.1　What Is Measured10.2　Test-Taking Strategies10.3 The Directions10.4　GMAT Scoring Guide: Analysis of an Issue10.5　Sample: Analysis of an Issue10.6 Analysis of an Issue Sample Topics10.7　GMAT Scoring Guide: Analysis of an Argument10.8　Sample: Analysis of an Argument10.9 Analysis of an Argument Sample TopicsAppendix A Percentile Ranking TablesAppendix B Answer SheetsDiagnostic Answer SheetProblem Solving Answer SheetData Sufficiency Answer SheetReading Comprehension Answer SheetCritical Reasoning Answer SheetSentence Correction Answer Sheet

章節(jié)摘錄

　　1.　　“Life expectancy”is the average age at death of theentire live-born population.In the middle of thenineteenth century，life expectancy in North Americawas 40 years，whereas now it is nearly 80 years.Thus，in those days，people must have beenconsidered old at an age that we now consider theprime of life.　　Which of the following，if true，undermines theargument above？　?。ˋ）　In the middle of the nineteenth century，thepopulation of North America was significantlysmaller than it is today.　?。˙）　Most of the gains in life expectancy in the last150 years have come from reductions in thenumber of infants who die in their first yearOf life.　?。–）　Many of the people who live to an advanced agetoday do so only because of medical technolog3that was unknown in the nineteenth century.　　（D）The proportion of people who die in theirseventies is significantly smaller today than is th,proportion of people who die in their eighties.　?。‥）　More people in the middle of the nineteenthcentury engaged regularly in vigorous physicalactivity than do so today.　　2.　　Scientists propose placing seismic stations on thefloor of the Pacific Ocean to warn threatened coastalcommunities on the northwestern coast of the UnitedStates of approaching tidal waves caused byearthquakes.Since forewarned communities couldtake steps to evacuate，many of the injuries anddeaths that would otherwise occur could be avoidedif the government would implement this proposal.　　The answer to which of the following questionswould be most important in determining whetherimplementing the proposal would be likely to achievethe desired result？　　（A）　When was the Iast time that the coastalcommunities were threatened by an approachingtidal wave？　?。˙）How far below sea Ievel would the stations belocated？　　（C）　Would there be enough time after receivingwarning of an approaching tidal wave forcommunities to evacuate safely？　?。―）How soon after a tidal wave hits land is it safefor evacuees to return to their communities？　?。‥）　Can the stations be equipped to collect andrelay information about phenomena other thantidal waves caused by earthquakes？　　3.　　Homeowners aged 40 to 50 are more likely topurchase ice cream and are more likely to purchaseit in larger amounts than are members of any otherdemographic group.The popular belief that teenagerseat more ice cream than adults must，therefore，be false.　　The argument is flawed primarily because the author　　（A）　fails to distinguish between purchasing andconsuming　?。˙）does not supply information about homeownersin age groups other than 40 to 50　　（C）depends on popular belief rather than ondocumented research findings　?。―）does not specify the precise amount of icecream purchased by any demographic group　?。‥）discusses ice cream rather than more nutritiousand healthfuJI foods　　4.　　According to a prediction of the not-so-distant futurepublished in 1940。electricity would revolutionizeagriculture.Electrodes would be inserted into the soil。and the current between them would kill bugs andweeds and make crop plants stronger.Which 0f the following。if true。most strongly indicatesthat the Iogic of the prediction above is flawed？

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