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标题: [转帖]北美10.10 750详细JJ AWA/Math/RC/CR/SC [打印本页]

作者: smart    时间: 2007-10-14 23:16     标题: [转帖]北美10.10 750详细JJ AWA/Math/RC/CR/SC

作文:AA32. The following appeared in the editorial section of a West Cambria newspaper.
“A recent review of the
West Cambria volunteer ambulance service revealed a longer average response time to accidents than was reported by a commercial ambulance squad located in East Cambria
. In order to provide better patient care for accident victims and to raise revenue for our town by collecting service fees for ambulance use, we should disband our volunteer service and hire a commercial ambulance service.”

AI:B10. Portrayals of violence have proven commericially successful in television programs, movies, songs, and other forms of popular entertainment. Therefore, those who create popular entertainment should continue to incorporate violence into their product

Math:今天的数学机经大概有一半

1. M机器准备生产要花费30分钟,在规定时间内可以生产40个某东东,P机器准备生产要花费20分钟,在规定时间内可以生产30个。问分别生产时,MP生产所需的时间少吗?1)一共要做more than 1200个;2)一共要做fewer than 1800个。选A

2.10^3232)这个数 ,问它的每个位置上的数加起来是多少?275,C

3.YX 50%ZY10%,问ZX多多少。35%

4.perimeter of a equilateral triangle Tperimeter of a square R是否相等。

(1) a side of T of

(2) the ratio: T and R=4:3 B

 

5.Is x<xy<y?   (1)x>0     (2) x<1<y C

 

6.There are three kinds of dishes served in a banquet, Chicken, beef, and fish. The number of dishes served in the three kinds follows the ratio 7:5:2.  Fish dishes were served more than 5. how many dishes served in total.

1) beef + fish <30

2) chicken <25

I chose B.

 

7.先给一个概念说convex,如果在一个图形中任意两点连成一个线段,如果这根线段都包含在图形内,那么这个图形叫XXX。如果给定一个圆心,问一个怎样的圆心角范围,才能使这个圆心角扩展出的图形是XXX. 0<=X<=180

 

 

 

8.7^n 除以5的余数是多少?(nm为正整数)

1n=4m+1

(2)n= 2m + 3

答案:A

 

9.200个什么玩意,可能在A,也可能在B,已知A 80%,B 45%,问AB没有或者BA没有的比例是多少? 选项有20%,  35%   55%,  60%,  75%大概是这几个数字,我选75

 

10.一个正方形,然后里面有两条线相交于一个边的一点围成个三角形(就是内接个三角形。不知道我这么形容对不对)。然后问这个三角形的面积占这个正方形的面积多少。
   1/2

 

11.一个正整数大于1,但不是质数,问下列那个必对?

1the sum of the 3(可能,既不太清了)

2) difference between the two even numeber

3) differenve between the even and odd number

4) the product between odd and even number

5) the product of the prime numbers

E

 

12.有个公司里面,在有bank account的人群中有90%的人有XX(反正不是credit card)的支付方式。

问这个公司里面有有bank account的人占全公司人数的百分制多少?

A)是一个具体的人数

B)这个公司里面的人有75%有XX入了bank account

选了E

 

13.数学中记得有一道题:连续的整数组成的数列,中位数和数列的范围相等,问数列有几个数?

1。最小值是5

2。最大值是15

 

14.y=(350,000m)/(250-2.5m),说100,000<y<200,000,m的可能的值是多少,选项有:1929394959

答案49

.

15.x>1,xY 整数,XY次方是否大于900?

1y>11

2)y>4x

A

 

16.the ...basis is one-hundredth of the a percent. the ...basis of 149是多少

0.0149

 

17.为了求n的平方根的近似值,用一个方法:找个a,取n/a的商和除数的算术平均值,求这个近似值用an的表达式2

(N+a^2)/2a

 

18.桌上有不超过50本书,分成若干堆,每堆7本则多1本,问共有多少本书?

I.每堆9本则多7

II.每堆4本则多3

A

 

新题:

1.是我的第一题,告诉你方程x^2+px+q=0的两个根分别是7和多少(反正是一个数字,不记得了),然后问p是多少?

答案是-2(也许是2,记不太清楚了)

 

还考了两个Median的题目,Median在那一段,0-10,10-20






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