gre数学冲关必备:GRE数学几何重点试题讲解 1. 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.30 B.90 C.150 D.300 E.450 答案:A 2.△RST lies in the XY-plane and points R and T have (x, y) coordinates (0,0) and (6,0), respectively. The area of △RST is 12. The x-coordinate of R The y-coordinate of S 答案:D 3.What is the maximum number of nonover-lapping regions into which 3 lines can divide the interior of a circle? A.4 B.6 C.7 D.8 E.9 答案:C 4.The rectangular rug shown in the figure above has a floral border 1 foot wide on all sides. What is the area, in square feet, of that portion of the rug that excludes the border? A.28 B.40 C.45 D.48 E.53 答案:A 5. The diagram represents a rectangular garden. The shaded regions are planted in flowers, and the unshaded region is a walk 2 feet wide. All angles are right angles. The sum of the areas of the shaded regions 2,800 square feet 答案:D 6.What are the coordinates of point B in the xy-plane above? A.(6,12) B.(6,28) C.(8,20) D.(12,20) E.(14,28) 答案:B 7.If 9 trees are originally planted in a circular pattern as shown above, what is the least number of trees that must be transplanted so that the 9 trees will be in 2 straight rows? A.4 B.5 C.6 D.7 E.8 答案:B 8.If the sum of the measures of two angles is 180o,each angle is a supplement of the other, whereas, if the sum of their measures is 90o, each is a complement of the other. The measure of an angle with a supplement that measures 130o The measure of an angle with a supplement that measures 40o 答案:C 9.If a solid pyramid has 4 vertices and 4 faces, how many edges does the pyramid have? A.2 B.3 C.4 D.6 E.8 答案:D 10.A rectangular floor with an area of 12 square meters is drawn to scale with 2 centimeters representing 1 meter. The area of the scale drawing of the floor 24 square centimeters 答案:A gre数学冲关必备:GRE数学几何重点试题讲解的延伸阅读——gre数学考试七大复习法则助您一次顺利通关 1.数学满分=认真+不轻视。这是GRE数学复习所应当遵循的头号准则,下面一切所说的,都是基于这个原则。 2.我想不管是基于什么想法,在最后20天,应当开始复习数学了。不轻视数学,否则拿满分还是比较难的事情。 3.应当把数学的基本词汇掌握住,否则做题没有用处。数学真正比较难的地方就是一些专业词汇。 4.要用摸考的规格来复习数学,不应当词汇题是用摸考的考法,到了数学就很无所谓的样子。记住,尽管数学比较简单,但是它的要求有高。 5.注意总结,数学里边有很多小的陷阱,我做题的时候有一个感觉,就是数学考试和我们平时的考试不一样,更像一个智力测验,有时候需要转弯,这样的地方不多,总结一下,刻意的避开。 6.要注意在做数学的时候,不要想错几个能得满分,要想怎么样才能全都做对,取法呼上仅得其中。 7.有人总结了一些难题,有的是超难的题,有时间就看,没时间就不看,看了看不懂,不要慌,这种题处了根本就是小概率时间。 |
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