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gre考试试题及答案大全解析

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.If\(x+3=5\),then\(x=\)(A)1(B)2(C)3(D)4

答案:B

3.Theareaofasquarewithsidelength\(a\)is(A)\(2a\)(B)\(a^{2}\)(C)\(4a\)(D)\(a+a\)

答案:B

4.Whatisthevalueof\(\cos0^{\circ}\)?(A)0(B)1(C)-1(D)\(\frac{1}{2}\)

答案:B

5.Whichofthefollowingisequivalentto\(2(x+3)\)?(A)\(2x+3\)(B)\(2x+6\)(C)\(x+6\)(D)\(x+3\)

答案:B

6.Inarighttriangle,ifonelegis3andthehypotenuseis5,thentheotherlegis(A)2(B)4(C)6(D)8

答案:B

7.If\(y=3x-1\)and\(x=2\),then\(y=\)(A)5(B)4(C)3(D)2

答案:A

8.Thesumoftheinterioranglesofatriangleis(A)\(90^{\circ}\)(B)\(180^{\circ}\)(C)\(270^{\circ}\)(D)\(360^{\circ}\)

答案:B

9.Whatistheslopeoftheline\(y=2x+1\)?(A)1(B)2(C)3(D)4

答案:B

10.If\(a=4\)and\(b=2\),then\(\frac{a}{b}=\)(A)1(B)2(C)3(D)4

答案:B

二、多项选择题(每题2分,共10题)

1.Whichofthefollowingnumbersareeven?(A)2(B)3(C)4(D)5

答案:AC

2.Thefollowingarequadraticequations?(A)\(x^{2}+2x+1=0\)(B)\(x+1=0\)(C)\(2x^{2}-3x+4=0\)(D)\(3x-2=0\)

答案:AC

3.Whichofthefollowingshapeshavefoursides?(A)Square(B)Triangle(C)Rectangle(D)Rhombus

答案:ACD

4.Factorsof12are(A)1(B)2(C)3(D)4

答案:ABCD

5.Whichofthefollowingfunctionsarelinear?(A)\(y=3x+1\)(B)\(y=x^{2}+1\)(C)\(y=2x\)(D)\(y=\frac{1}{x}\)

答案:AC

6.Anglesinaparallelograminclude(A)Acuteangles(B)Obtuseangles(C)Rightangles(D)Straightangles

答案:ABC

7.If\(x0\)and\(y0\),whichofthefollowingexpressionsarepositive?(A)\(x+y\)(B)\(x-y\)(C)\(xy\)(D)\(\frac{x}{y}\)

答案:ACD

8.WhichofthefollowingarePythagoreantriples?(A)(3,4,5)(B)(5,12,13)(C)(1,2,3)(D)(8,15,17)

答案:ABD

9.Whichofthefollowingcanbeusedtorepresenttheperimeterofarectanglewithlength\(l\)andwidth\(w\)?(A)\(2(l+w)\)(B)\(l+w\)(C)\(2l