GRE-练习十六及答案解析.doc
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1、GRE-练习十六及答案解析(总分:100.00,做题时间:90 分钟)一、单项选择题(总题数:35,分数:35.00)1.If the perimeter of a triangle is 18,then the length of one of the sides CANNOT beA. 1 B. 3 C. 6D. 8 E. 9(分数:1.00)A.B.C.D.E.2.What is the ratio of the perimeter of a pentagon with each side of length 6 to the perimeter of an octagon with e
2、ach side of length 6?(分数:1.00)A.B.C.D.E.3.If corresponding sides of AABC andABC above are proportional, what is y in terms of x?(分数:1.00)A.B.C.D.E.4.What fraction of a cubic meter is the volume of a cubic block Of stone with edge of length 10 centimeters?(1 meter=100centimeters)(分数:1.00)A.B.C.D.E.5.
3、In the coordinate plane,points A and B are endpoints of a diameter of a circle with center(-2,1)If the coordinates of A are(-5,5),what are the coordinates of B?A. (0,0) B. (3,-2)C. (3,-1) D. (2,-2)E. (1,-3)(分数:1.00)A.B.C.D.E.6. (分数:1.00)A.B.C.D.E.7.In square PQRS aboveT is the midpoint of side RSIf
4、PT= ,What is the length of a side of the square?(分数:1.00)A.B.C.D.E.8.If a solid pyramid has 4 vertices and4 faces,how many edges does the pyramid have?A. 2B. 3C. 4D. 6E. 8(分数:1.00)A.B.C.D.E.9. (分数:1.00)A.B.C.D.E.10.The rectangular solid above is made up of eight cubes of the same size,each of which
5、has exactly one face painted blue What is the greatest fraction of the total surface area of the solid that could be blue?(分数:1.00)A.B.C.D.E.11.The dimensions,in centimeters,of rectangular box R are 6 by 8 by 10Which of the following CANNOT be the total surface area,in square centimeters,of two face
6、s of R?A. 96B. 120C. 128D. 160E. 180(分数:1.00)A.B.C.D.E.12. (分数:1.00)A.B.C.D.E.13. (分数:1.00)A.B.C.D.E.14.A rectangular rug covers half of a rectangular floor that is 9 feet wide and 12feet longIf the dimensions of the rug are in the same ratio as those of the floor,how many feet long is the rug?(分数:1
7、.00)A.B.C.D.E.15. (分数:1.00)A.B.C.D.E.16. (分数:1.00)A.B.C.D.E.17.What is the maximum number of nonover-lapping regions into which 3 lines can divide the interior of a circle?A. 4B. 6C. 7D. 8E. 9(分数:1.00)A.B.C.D.E.18. (分数:1.00)A.B.C.D.E.19.What is the area of the hexagonal region shown in the figure ab
8、ove?(分数:1.00)A.B.C.D.E.20.In the figure above,O and P are the centers of two circlesIf each circle has radius r,what is the area of the shaded region?(分数:1.00)A.B.C.D.E.21. (分数:1.00)A.B.C.D.E.22.A certain rectangle has perimeter 54If the ratio of the length of the rectangle to the width is 5 to 4,wh
9、at is the length of the rectangle?A. 30 B. 27 C. 24D. 18 E. 15(分数:1.00)A.B.C.D.E.23.In the figure above,what is the length of AB?(分数:1.00)A.B.C.D.E.24.If the areas of three of the faces of a rectangular solid are 6,10 and 15,what is the volume of the solid?A. 30B. 90C. 150D. 300E. 450(分数:1.00)A.B.C.
10、D.E.25.In the figure above,if the area of the inscribed rectangular region is 32,then the circumference of the circle is(分数:1.00)A.B.C.D.E.26.In the rectangular coordinate system above,if P,not shown,is a point on AB and if the x-coordinate of P is 1,what is the y-coordinate of P?(分数:1.00)A.B.C.D.E.
11、27. (分数:1.00)A.B.C.D.E.28.If B is the midpoint of line segment AD and C is the midpoint of line segment BD,what is the value of (分数:1.00)A.B.C.D.E.29. (分数:1.00)A.B.C.D.E.30. (分数:1.00)A.B.C.D.E.31.The figure above shows the lengths of thesides of an equiangular polygonWhat is the area of the polygon?
12、A. 7 B. 8 C. 9 D. (分数:1.00)A.B.C.D.E.32.Three solid cubes of lead,each with edges10 centimeters long,are melted together in a level,rectangular shaped panThe base of the pan has inside dimensions of 20centimeters by 30 centimeters,and the pan is 15 centimeters deepIf the volume of the solid lead is
13、approximately the same as thev olume of tile melted lead,approximately how many centimeters deep is the melted lead in the pan?A. 2.5 B. 3 C. 5D. 7.5 E. 9(分数:1.00)A.B.C.D.E.33.A rectangular tabletop consists of a piece of laminated wood bordered by a thin metals trip along its four edgesThe surface
14、area of the tabletop is x square feet,and the total length of the strip before it was attached was x feetIf the tabletop is 3 feet wide,what is its approximate length,in feet?A. 12 B. 10 C. 9D. 8 E. 6(分数:1.00)A.B.C.D.E.34. (分数:1.00)A.B.C.D.E.35. (分数:1.00)A.B.C.D.E.二、比较题(总题数:65,分数:65.00)36. (分数:1.00)
15、A.B.C.D.37.The altitude of a certain triangular sail is 2meters greater in length than its baseThe area of the face of the sail is 24 square meters(分数:1.00)A.B.C.D.38. (分数:1.00)A.B.C.D.39.The boundaries of regions X and y are parallelograms(分数:1.00)A.B.C.D.40. (分数:1.00)A.B.C.D.41.Points PR,and T lie
16、 on a straight lineThe distance from P to R is 21and the distance from P to T is 9The distance(分数:1.00)A.B.C.D.42. (分数:1.00)A.B.C.D.43.The circles above,with centers O and P,each have radius r(分数:1.00)A.B.C.D.44. (分数:1.00)A.B.C.D.45.The areas of the two shaded regions of the circle are equal(分数:1.00
17、)A.B.C.D.46.The circumference 0f a rectangle is 40(分数:1.00)A.B.C.D.47. (分数:1.00)A.B.C.D.48. (分数:1.00)A.B.C.D.49.Polygon SUVNPQ is equilateral and equiangular and TWOR is a rectangle(分数:1.00)A.B.C.D.50. (分数:1.00)A.B.C.D.51.The diameter of the circle is 10The area of the(分数:1.00)A.B.C.D.52.Board A mea
18、sures between 2.15 feet and2.25 feet in length;board B measures between 2.20 feet and 2.30 feet in length(分数:1.00)A.B.C.D.53.2AF=AB=BD=DE=AE(分数:1.00)A.B.C.D.54.A circular flower bed is inscribed in a flat,square garden plot that measures x meters on each side(分数:1.00)A.B.C.D.55. (分数:1.00)A.B.C.D.56.
19、The map showsthe only roads that connect the four towns and shows the distance along each road(分数:1.00)A.B.C.D.57. (分数:1.00)A.B.C.D.58.A rectangular label is attached to a right circular cylinder with radius rThe label,which encircles the cylinder without overlap,has width w and an area equal to the
20、 area of the base of the cylinder(分数:1.00)A.B.C.D.59.In the xy-coordinate system,the point(x,y)lies on the circle with equation(分数:1.00)A.B.C.D.60. (分数:1.00)A.B.C.D.61. (分数:1.00)A.B.C.D.62.A rectangular floor with an area of 12square meters is drawn to scale with 2centimeters representing,meter(分数:1
21、.00)A.B.C.D.63.The figure above shows a cylindrical can that has been cut open and flattened(分数:1.00)A.B.C.D.64. (分数:1.00)A.B.C.D.65. (分数:1.00)A.B.C.D.66. (分数:1.00)A.B.C.D.67.If the sum of the measures of two angles is180, each angle is a supplement of the other,whereasif the sum of their measures i
22、s 90,each is a complement of the other(分数:1.00)A.B.C.D.68.Point S(not shown)lies above the x-axis such that RST has area equal to 6(分数:1.00)A.B.C.D.69. (分数:1.00)A.B.C.D.70.The area of square region S is 36(分数:1.00)A.B.C.D.71.RST lies in the XY-plane and points Rand T have(x,y)coordinates(0,0)and(分数:
23、1.00)A.B.C.D.72.In the rectangular coordinate system,line k passes through the points(0,0)and(4,8);line,m passes through the points(0,1)and(4,9)(分数:1.00)A.B.C.D.73.In a rectangular coordinate system,line k hasx-intercept 4 and slope-2(分数:1.00)A.B.C.D.74. segment OP is rotated counterclockwisethrough
24、 an angle of 90 to position OQ(not shown)(分数:1.00)A.B.C.D.75. (分数:1.00)A.B.C.D.76. (分数:1.00)A.B.C.D.77.(分数:1.00)A.B.C.D.78.A,B,and C are points on a lineThe distance between A and B is twice the distance between A and CThe distance between C and B is 10(分数:1.00)A.B.C.D.79.RST is isosceles and RST=40
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- GRE 练习 十六 答案 解析 DOC
