2025gre考試真題詳解及答案解析

單項選擇題（每題2分，共10題）1.5+3=？A.6B.7C.8D.92.10-7=？A.2B.3C.4D.53.3×4=？A.10B.12C.14D.164.12÷3=？A.3B.4C.5D.65.22=？A.4B.5C.6D.76.√9=？A.2B.3C.4D.57.30%of50=？A.10B.15C.20D.258.Whatistheperimeterofasquarewithsidelength4?A.8B.12C.16D.209.Whichangleisarightangle?A.30°B.60°C.90°D.120°10.Howmanysidesdoesatrianglehave?A.2B.3C.4D.5答案：1.C2.B3.B4.B5.A6.B7.B8.C9.C10.B多項選擇題（每題2分，共10題）1.Whichnumbersareeven?A.2B.3C.4D.52.Whichoperationsarebasicarithmeticoperations?A.AdditionB.SubtractionC.MultiplicationD.Division3.Whatarethefactorsof6?A.1B.2C.3D.64.Whichshapeshave4sides?A.SquareB.RectangleC.TriangleD.Circle5.Whichanglesareacute?A.20°B.40°C.60°D.80°6.Whatisinthesetofintegers?A.-1B.0C.1D.27.Whichfractionsareequivalentto1/2?A.2/4B.3/6C.4/8D.5/108.Whichunitscanbeusedforlength?A.MeterB.CentimeterC.KilometerD.Gram9.Whatisaprimenumber?A.2B.3C.4D.510.Whicharetypesoftriangles?A.EquilateralB.IsoscelesC.ScaleneD.Right答案：1.AC2.ABCD3.ABCD4.AB5.ABCD6.ABCD7.ABCD8.ABC9.ABD10.ABCD判斷題（每題2分，共10題）1.2+3>42.5-2<33.3×2=64.8÷4=25.32=96.√16=47.40%of100=408.Arectanglehas4equalsides.9.A180°angleisastraightangle.10.Alltriangleshave3angles.答案：1.√2.×3.√4.√5.√6.√7.√8.×9.√10.√簡答題（總4題，每題5分）1.Whatisthesumof3and5?答案：3+5=82.Howmanysidesdoesapentagonhave?答案：Apentagonhas5sides.3.Whatis25%of80?答案：25%of80is20.4.Whatistheareaofarectanglewithlength5andwidth3?答案：Area=5×3=15討論題（總4題，每題5分）1.Discusstheimportanceofbasicarithmeticoperations.答案：Basicarithmeticoperationsarefundamentalfordailylifecalculationslikeshopping,budgeting.Theyformthebasisformorecomplexmathinvariousfields.2.Talkaboutdifferenttypesofangles.答案：Thereareacute,right,obtuse,straightandreflexangles.Acutearelessthan90°,rightis90°,obtuseismorethan90°butlessthan180°,straightis180°andreflexismorethan180°.3.Discussthepropertiesofacircle.答案：Acirclehasacenter,allpointsonitareequidistantfromthecenter.Ithascircumferenceandareacalculatedbyspecificformulas.4.Talkaboutthesignificanceofprimenumbers.答案：Primenumbersarebuildingblocks