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GRE数学真题大放送(附答案解析).docxVIP

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GRE数学真题大放送(附答案解析) HYPERLINK / \o GRE考试 GRE考试真题是我们备考路上的“好伙伴”,备考初期利用好它,我们的复习将会事半功倍!快来看看2015年7月5日GRE数学真题吧。   1. ABCE is a square, and BCDE is a parallelogram   Quantity A: The area of square ABCE   Quantity B: The area of parallelogram BCDE   A. Quantity A is greater.   B. Quantity B is greater.   C. The two quantities are equal   D. The relationship cannot be determined from the information given.   参考答案:C。正方形的面积是长乘以宽,平行四边形的面积是长乘以高。一样大。   2. n is an integer.      Quantity B: 1   A. Quantity A is greater.   B. Quantity B is greater.   C. The two quantities are equal   D. The relationship cannot be determined from the information given.   参考答案:C。如果n是奇数,则负负得正等于1;如果n是偶数,依然是1。   3. The population of Country X for 1980 was p. The population of Country X increased by 3.8 percent in each of the next two years.   Quantity A: The population of Country X for 1982.   Quantity B: 1.076p   A. Quantity A is greater.   B. Quantity B is greater.   C. The two quantities are equal   D. The relationship cannot be determined from the information given.   参考答案:A   4. x≠0      Quantity B: x(x+5)   A. Quantity A is greater.   B. Quantity B is greater.   C. The two quantities are equal   D. The relationship cannot be determined from the information given.   参考答案:D。如果x0,则BA; 如果x0,则Ba; x=0,则B=A   5. x=2, y=3,z=5      A. Quantity A is greater.   B. Quantity B is greater.   C. The two quantities are equal   D. The relationship cannot be determined from the information given.   参考答案:B。A=1/2*3*1/25=3/50;B=9/100;BA   6. Each week a salesperson receives a commission that is equal to 12 percent of the first $500 of sales plus 20 percent of additional sales. If the salesperson received a commission of $380 last week, what was the total amount of the sales that the salesperson made last week?   A. $1,600   B. $1,660   C. $1,860   D. $2,000   E. $2,100   参考答案:E。$500*12%=$60,$380-$60=$320; $320/0.2=$1600;$1600+$500=$2100   7. If x y, which of the following must be true?   

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