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标题: [转帖]5月3号 北美 [打印本页]

作者: smart    时间: 2006-5-10 00:35     标题: [转帖]5月3号 北美

AI:“Location has traditionally been one of the most important determinants of a business’s success. The importance of location is not likely to change, no matter how advanced the development of computer communications and others kinds of technology becomes.”

AA:The following appeared as part of an article in a magazine devoted to regional life.

“Corporations should look to the city of Helios when seeking new business opportunities or a new location.

Even in the recent recession, Helios’s unemployment rate was lower than the regional average. It is the industrial center of the region,

and historically it has provided more than its share of the region’s manufacturing jobs. In addition, Helios is attempting to expand

its economic base by attracting companies that focus on research and development of innovative technologies.”黄金80,第6题

部分数学题写在了5月MATH滚动机经里了。

北美,5月3日

1.S is the sum of the reciprocal of a list of consecutive integers from 201 to 300, inclusive. S equals?
Answer: 1/3 < S < 1/2

2.一个圆半径不知道(应该画个图,但是画不出来,我就描述吧,很简单的一道题目)
O是圆心,圆的一根弦BC和半径OA垂直相交于D,BC=12,DA=2,问圆的面积
Answer:100pi

以上引用chinatubie的2道题,我也遇到了。

3. 有5辆车,停5个车位。其中3 identical red,1 yellow,1green。都停进去的方法有几种?

答案:20

4. 一物体运动高度的表达式为:H=(t-3)^2+140(数是偶编的),求该物体到达最高点2秒后的高度。

答案:3秒到达最高点,所以一共5秒,带入5即可。

5. 从10个男人,5个女人,2个小孩中选出4个人。一定要有2个男人,1个女人和1个小孩的选法有多少种?

答案:C(10,2)*C(5,1)*C(2,1)

6. n在一个自然数列中,n为从1到60,inclusive, 满足an=(-1)^(n-1) * 1/n, 求各项和S。

7. 问N为多少?

(1)N只有2和3两个质因子

(2)N的因子个数为12

答案:E

8. 30!/10!可以写成一系列数的乘积,其中最大的整数是30,问最小的整数是多少?

9. 在一个半径为20mile的湖边围一圈路,一个人的速度为每小时30mile,问走完完整的一圈,要用多少小时?(也许我记漏条件了,因为选项给的好象都是范围)

10. 平面直角坐标系,四个象限,问点(a,b)在第几象限?

(1)点(a-2,b)在第二象限 (2)(a,b-2)在第三象限 (大概是这么个意思)

11. {X}denotes the greatest integer less than or equal to X. is {X}=1?

(1)X>1 (2)X<2 答案:C

还有关于质数的,银行利率的,工作效率的,中间数与平均数的问题,但排列组合和概率问题不多而且简单。建议这个月考的,看看费费数学宝典里的题。

由于第一次考,紧张阿,Verbal 里的题都记混了,说出来大家更糊涂了,要是能看到跟我考的类似的题,我估计就能想起来了(废话,跟没说一样)只记得SC里考固定搭配和平型结构一致的题很多。等我好好回忆一下,我尽量。对不住了!






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