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4月新gre考试:2013年4月13日gre数学练习(3)

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2013-04-01 10:25

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gre考试gre数学

【 liuxue86.com - GRE数学 】

  1.[x]represents the greatest integer less than or equal to x and [x] represents theleast integer greater than or equal to x.

  Column A:{[1.+[1.4]}/

  Column B: 1.4

  2. If the actual temperature is 13 degrees Fahrenheit and the windspeed is 14 miles per hour, then the apparent temperature could be

  A.5 degrees Fahrenheit B.-1 degrees Fahrenheit C.-0 degreesFahrenheit

  D.-5 degrees Fahrenheit E.-3 degreesFahrenheit

  3. Which of the following can be inferred from the table?

  (1).The apparent temperature for an actual temperature of 0 degreesFahrenheit and a wind speed of 15 miles per hour is the same as that for anactual temperature of 30 degrees Fahrenheit and a wind speed of 40 miles perhour.

  ().At a constant wind speed, as the actualtemperature increases, the difference between the actual and the apparent temperaturesalso increases.

  (3).At a constant actual temperature of -10 degreesFahrenheit, the apparent temperature decreases at a constant rate as the windspeed increases.

  A.(1)only B.()only C.(1)and(3)only D.()and(3)only E.(1)()and(3)

  4. From 198 to 1987 the price of a Brand x candy bar increased byapproximately what percent?

  A.40% B.50% C.70% D.150% E.50%

  5. How many times between 1971 and 1991 did the price of a Brand xcandy bar increase while the weight decreased?

  A. one B. two C. three D. four E. five

  想了解更多GRE数学网的资讯,请访问: GRE数学

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