Tài liệu luyện thi ngữ pháp tiếng anh của Trung Quốc section 10 | GRE S S SECTION 1 Time-30minutes 38 Questions 5y 15 x 2y 5 O is the center of the circle and the perimeter of AAOB is 6. 2. The circumference of the 12 circle BD DC 8. --- ----------------------- AB BC 492 000 9. 250 492 -------- 4 10. y Ken s monthly take-home pay is w dollars. After he pays for food and rent he has x dollars left 3. x w - x 11. The number of prime numbers between 70 and 76 The number of prime numbers between 30 and 36 4. 13 7 3 -----1-----1--- 15 8 4 3 1 6 x 7 y 8 x 12. - y x - 2 y x 2 y 4 5. x2 - 4 y2 8 6. 2 10 The operation is defined for all positive numbers r r -1 2 rt and t by r t ---------- t 7. 71 37 37 71 13. 14. KLNP is a square with perimeter 128. MQ 42 2 3x 2 1 3x 239 GRE fi S The median salary for professional group A is 40 610. The median salary for professional group B is 40 810. 15. The median salary for 40 710 groups A and B combined 16. The water level in a tank is lowered by 6 inches then raised by 8y inches and then lowered by 4 inches. If the water level was x inches before the changes in level which of the following represents the water level in inches after the changes A x -12 B x 12 C x - 62 D x 62 E x -182 17. In the figure above M N and P are midpoints of the sides of an equilateral triangle whose perimeter is 18. What is the perimeter of the shaded region A 2 B 3 C 42 D 6 E 9 18. Which of the following sets of number is has the greatest standard deviation A 2 3 4 B 3 C 1 D -2 0 2 E 20 21 19. If x y and z represent consecutive integers and x y z which of the following equals y I . x 1 II. x y z III. ---y------- 3 A I only B I and I only C I and I only D I and I only E I I and I 20. When 9 students took a zoology quiz with a possible score of 0 to 10 inclusive there average arithmetic mean score was . If a tenth student takes the same quiz what will be the least possible average score on the quiz for all 10 students A B C D E 240 GRE S S .
