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.

　　(2).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.(2)only C.(1)and(3)only D.(2)and(3)only E.(1)(2)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