gre考试试题及答案大全
一、单项选择题（每题2分，共10题）
1.Whichofthefollowingisthelargestprimenumberlessthan20?
A.17
B.18
C.19
D.13
答案：C
2.If\(x+3=7\),then\(x=\)
A.4
B.5
C.3
D.2
答案：A
3.Theareaofasquarewithsidelength\(s=5\)is
A.10
B.20
C.25
D.15
答案：C
4.Whichofthefollowingisequivalentto\(2(x+3)\)?
A.\(2x+3\)
B.\(2x+6\)
C.\(x+6\)
D.\(x+3\)
答案：B
5.Inarighttriangle,ifonelegis3andthehypotenuseis5,theotherlegis
A.4
B.2
C.6
D.8
答案：A
6.If\(y=3x-1\)and\(x=2\),then\(y=\)
A.5
B.4
C.3
D.6
答案：A
7.Thesumoftheinterioranglesofatriangleis
A.90°
B.180°
C.360°
D.270°
答案：B
8.Whichofthefollowingnumbersisdivisibleby3?
A.17
B.18
C.19
D.20
答案：B
9.If\(a=4\)and\(b=5\),then\(a\timesb=\)
A.9
B.20
C.16
D.18
答案：B
10.Theperimeterofarectanglewithlength\(l=6\)andwidth\(w=4\)is
A.10
B.20
C.16
D.18
答案：B
二、多项选择题（每题2分，共10题）
1.Whichofthefollowingarefactorsof12?
A.1
B.2
C.3
D.4
E.5
答案：A、B、C、D
2.Thefollowingequationsarelinearequations:
A.\(y=2x+1\)
B.\(y=x^{2}+1\)
C.\(y=3x-2\)
D.\(y=\frac{1}{x}+1\)
E.\(y=4-x\)
答案：A、C、E
3.Whichofthefollowingshapeshavefoursides?
A.Square
B.Rectangle
C.Triangle
D.Rhombus
E.Trapezoid
答案：A、B、D、E
4.If\(x0\)and\(y0\),whichofthefollowingexpressionsarepositive?
A.\(x+y\)
B.\(x-y\)
C.\(xy\)
D.\(\frac{x}{y}\)
E.\(-x-y\)
答案：A、C、D
5.Whichofthefollowingnumbersareeven?
A.2
B.3
C.4
D.5
E.6
答案：A、C、E
6.Whichofthefollowingaretypesofangles?
A.Acute
B.Obtuse
C.Right
D.Straight
E.Reflex
答案：A、B、C、D、E
7.Whichofthefollowingcanbeusedtocalculatetheareaofatriangle?
A.\(\frac{1}{2}bh\)(where\(b\)isbaseand\(h\)isheight)
B.\(\sqrt{s(s-a