In the figure, points A, B, C, D, and E lie on a line. A is on both circles, B is the center of the smaller circle, C is the center of the larger circle, D is on the smaller circle, and E is on the larger circle. What is the area of the region inside the larger circle and outside the smaller circle?
(1) AB = 3 and BC =2
(2) CD =1 and DE = 4
就是那两个圆的题，那个图我贴不上来。 为什么不选 D
2、At a certain company, each employee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 9.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a salary grade of 1?
A. $0.50 B. $1.00 C. $1.25 D. $1.50 E. $1.75
为什么不是选 B 。
3、If n is an integer and 100 < n <200, what is the value of n?
(1)
(2)n/45 is an even integer.
答案是C。 为什么不选B . （ 在100 < n <200中，能整除45的只有135和180。）
[此贴子已经被作者于2006-7-23 13:09:18编辑过]
| 欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/) | Powered by Discuz! 7.2 |