ets官方gre數(shù)學(xué)樣題

1、【ETS 官方】GRE 考試改革最新數(shù)學(xué)樣題及解析GRE® GRE® Revised Revised General General Test: Test: Quantitative Quantitative Reasoning Reasoning Sample Sample Questions QuestionsFigures FiguresThis document includes figures, whic

2、h appear on screen. Following each figure on screen is text describing that figure. Readers using visual presentations of the figures may choose to skip parts of the text describing the figure that begin with

3、 “Begin skippable figure description” and end with “End skippable figure description.”Mathematical Mathematical Equations Equations and and Expressions ExpressionsThis document includes mathematical equations and express

4、ions. Some of the mathematical equations and expressions are presented as graphics. In cases where a mathematical equation or expression is presented as a graphic, a verbal presentation is also given and the verbal prese

5、ntation comes directly after the graphic presentation. The verbal presentation is in green font to assist readers in telling the two presentation-modes apart. Readers using audio alone can safely ignore the graphical pr

6、esentations, and readers using visual presentations may ignore the verbal presentations.Introduction IntroductionThe revised Quantitative Reasoning section contains four types of questions:Multiple-choice Questions — Sel

7、ect One Answer ChoiceMultiple-choice Questions — Select One or More Answer ChoicesNumeric Entry QuestionsQuantitative Comparison QuestionsEach question appears either independently as a discrete question or as part of a

8、set of questions called a Data Interpretation set. All of the questions in a Data Interpretation set are based on the same data presented in tables, graphs, or other displays of data. Below are descriptions, direc

9、tions, and samples of each type of question.Multiple-Choice Multiple-Choice Questions Questions — Select Select One One Answer Answer Choice ChoiceSample question 2 below is based on figure 2.Figure 2 Begin Begin sk

10、ippable skippable figure figure description. description.Figure 2 shows the graph in the x y plane of the function f of x = the absolute value of 2x, end absolute value, + 4. There are equally spaced tick marks along th

11、e x axis and along the y axis. The first tick mark to the right of the origin, and the first tick mark above the origin, are both labeled 1. The graph of the function f is in the shape of the letter V. It is above the

12、x axis and is symmetric with respect to the y axis. The lowest point on the graph of f is the point 0 comma 4 on the y axis.Going leftward from the point 0 comma 4 the graph of fis a line that slants upward, passing thro

13、ugh the point negative 2 comma 8.Going rightward from the point 0 comma 4 the graph of f is a line that slants upward, passing through the point 2 comma 8.End End skippable skippable figure figure descri

14、ption. description.2. Figure 2 above shows the graph of a function f, defined by f of x = the absolute value of 2x, end absolute value, + 4 for all numbers x. For which of the following functions g defined f