2021安徽GRE考试考前冲刺卷.docx
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1、2021安徽GRE考试考前冲刺卷本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意) 1. 2. 3.If m2=17, then what is the value of (m+1)(m-1) 4.Directions: In the following questions, choose the best answer from the five choices listed.Camilles average on her 6 math tests this marking period is 7
2、5. Fortunately for Camille, her teacher drops each students lowest grade, and this raises her average to 85. What was her lowest gradeA20B25C30D40E(E) 50 5.What is the area of a circle whose radius is the diagonal of a square whose area is 4(A) 2(B) 2(C) 4(D) 8(E) 16 6. In the figure above, the radi
3、us of circle O is 3, and mAOB=60. What is the perimeter of the shaded region 7.Of people 20 years of age or older, approximately how many more males than females were unem-ployed in 1997A150,000B300,000C750,000D1,200,00E(E) 2,600,000 8.See the diagram on the following page for information to answer
4、the questions.In the period from 1979-1989, on average, how much longer, in years, could a 45-year old Black man with a family income in excess of $25,000 expect to live than a 45-year old Black man with a family income of less than $10,000A4B6C8D10E(E) 12 9. 10. 11. 12. 13.Directions: In the follow
5、ing questions, choose the best answer from the five choices listed.What is the surface area in square inches of a cube whose volume is 216 cubic inchesA36B54C216D324E(E) 1296 14.See the diagram on the following page for information to answer the questions.For which of the following groups did family
6、 income have the least significance in affecting life expectancyABlack men at age 65BBlack women at age 65CWhite men at age 45DWhite women at age 45E(E) White women at age 65 15.In 1997, of the unemployed males 20 years of age or older, what percent were unemployed because they had lost their jobsA3
7、5%B50%C60%D75%E(E) 90% 16.Directions: In the following questions, choose the best answer from the five choices listed.Last year Leo bought two paintings. This year he sold them for $2000 each. On one, he made a 25% profit, and on the other he had a 25% loss. What was his net loss or profitAHe broke
8、even.BHe lost less than $100.CHe lost more than $100.DHe earned less than $100.E(E) He earned more than $100. 17.See the diagram on the following page for information to answer the questions.At Tyler High School, there are twice as many girls as boys on the yearbook staff. At one staff meeting, the
9、percentage of girls attending was twice the percentage of boys. What percent of those attending the meeting were boysA20B25C30D33E(E) 50 18.Life expectancy among adults 45 and 65 years of age by family income, sex, and race: United States, average annual 1979-89A sequence of numbers begins 1, 1, 1,
10、2, 2, 3 and then repeats this pattern forever. What is the sum of the 135th, 136th, and 137th numbers in the sequenceA3B4C5D6E(E) 7 19.Paul drove m miles in h hours; Michelle drove the same distance in an hour less. How fast, in miles per hour, did Michelle drive 20. 21. 22.Life expectancy among adu
11、lts 45 and 65 years of age by family income, sex, and race: United States, average annual 1979-89 In the figure above, the diameter of the circle is 20 and the area of the shaded region is 80. What is the value of a + b + c + dA144B216C240D270E(E) 288 23. 24.It can be inferred that a rat with its in
12、fralimbic cortices destroyed would respond which of the following ways to a tone previously conditioned to induce a fear response . It would demonstrate fear if extinction had occurred the previous day. . It would demonstrate fear if extinction had occurred earlier than the previous day. . It would
13、demonstrate fear even if extinction had never occurred at all.A(A) onlyB(B) onlyC(C) and onlyD(D) and onlyE(E) , , and 25.No other artist rewards the viewer with more sheer pleasure than Mir6; he is one of those blessed artists who combine profundity and _.(A) education(B) wisdom(C) faith(D) fun(E)
14、depth 26.Perhaps because something in us instinctively distrusts such displays of natural fluency, some readers approach John Updikes fiction with _.(A) indifference(B) suspicion(C) veneration(D) recklessness(E) bewilderment 27.Aimed at curbing European attempts to seize territory in the Americas, t
15、he Monroe Doctrine was a warning to _ foreign powers.(A) pertinacious(B) credulous(C) remote(D) overt(E) predatory 28.To alleviate the problem of contaminated chicken, the study panel recommends that the federal government shift its inspection emphasis from cursory bird-by-bird visual checks to a mo
16、re _ random sampling for bacterial and chemical contamination.(A) rigorous(B) perfunctory(C) symbolic(D) discreet(E) dubious 29.Some Central Intelligence Agency officers have _ their previous statements denying any involvement on their part with the Contra aid network and are now revising their earl
17、ier testimony.(A) justified(B) recanted(C) repeated(D) protracted(E) heeded 30.In one shocking instance of _ research, one of the nation s most influential researchers in the field of genetics reported on experiments that were never carried out and published deliberately _ scientific papers on his n
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