gre考试试题及答案
一、单项选择题（每题2分，共10题）
1.Whichofthefollowingisaprimenumber?
A.4
B.6
C.7
D.9
答案：C
2.Ifx+3=5,thenx=?
A.1
B.2
C.3
D.4
答案：B
3.Theareaofasquarewithsidelength4is?
A.8
B.12
C.16
D.20
答案：C
4.Intheequationy=2x+1,whenx=3,y=?
A.7
B.8
C.9
D.10
答案：A
5.Whichofthefollowingisanevennumber?
A.3
B.5
C.8
D.11
答案：C
6.Theperimeterofarectanglewithlength5andwidth3is?
A.12
B.14
C.16
D.18
答案：C
7.Ifacirclehasaradiusof2,itscircumferenceis?(Useπ≈3.14)
A.6.28
B.9.42
C.12.56
D.15.7
答案：C
8.Whatisthenextnumberinthesequence:1,3,5,7,?
A.8
B.9
C.11
D.13
答案：B
9.Thevolumeofacubewithedgelength3is?
A.9
B.18
C.27
D.36
答案：C
10.Whichofthefollowingfractionsisthelargest?
A.1/2
B.2/3
C.3/4
D.4/5
答案：D
二、多项选择题（每题2分，共10题）
1.Whichofthefollowingnumbersaredivisibleby3?
A.6
B.9
C.12
D.15
答案：ABCD
2.Whichofthefollowinggeometricshapeshavefoursides?
A.Square
B.Rectangle
C.Rhombus
D.Trapezoid
答案：ABCD
3.Whichofthefollowingareunitsoflength?
A.Meter
B.Centimeter
C.Inch
D.Foot
答案：ABCD
4.Whichofthefollowingequationsarelinearequations?
A.y=3x+1
B.y=x2+1
C.2x+3y=6
D.y=4-2x
答案：ACD
5.Whichofthefollowingareprimenumbersbetween10and20?
A.11
B.13
C.17
D.19
答案：ABCD
6.Whichofthefollowingarefactorsof24?
A.1
B.2
C.3
D.4
答案：ABCD
7.Whichofthefollowingaretypesoftriangles?
A.Equilateral
B.Isosceles
C.Scalene
D.Right-angled
答案：ABCD
8.Whichofthefollowingareintegers?
A.-2
B.0
C.3
D.5.5
答案：ABC
9.Whichofthefollowingexpressionsrepresenttheareaofatriangle?
A.1/2×base×height
B.(side1×side2×sin(angle))/2
C.√(s(s-a)(s-b)(s-c))(Heronsformula)
D.base×height
答案：ABC
10.Whichofthefollowingarepositivenumbers?
A.1
B.2.5
C.1/3
D.0
答案：ABC
三、判断题（每题2分，共10题）
1.5isaprimenumber.(True/False)
答案：True
2.Theareaofacirclewithradius3is9π.(True/False)
答案：True
3.