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标题: [转帖]4/27迟到的jj [打印本页]

作者: smart    时间: 2006-4-30 15:00     标题: [转帖]4/27迟到的jj

4/27迟到的jj,前天考完,一直没机会上来。希望对大家有点用吧。

考试那天还堵车,心情无比的紧张,所以大家考试的时候最好早半个小时到比较好。不会影响心情。

AI:

A powerful business leader has far more opportunity to influence the course of a community or a nation than does any government official.”

AA

“The Alpha Company has just reduced its workforce by laying off fifteen percent of its employees in all divisions and at all levels, and it is encouraging early retirement for other employees. As you know, the Beta Company manufactures some products similar to Alpha’s, but our profits have fallen over the last few years. To improve Beta’s competitive position, we should try to hire a significant number of Alpha’s former workers, since these experienced workers can provide valuable information about Alpha’s successful methods, will require little training, and will be particularly motivated to compete against Alpha.”

数学老jj,有些条件有变动,大家做的时候要小心看。

12.A series of number 0,1,1,5,6,4,8,8, and 9. were select to be 3 sets of 3 digits number.
What is the greatest sum of the 3 sets of number? (My Ans=2651; 960+851+841=2652)

2488*40.2*802(数字不确切)大约=10的多少次方 我选10^8 8*10^7=10^8

不过我的这道题是2488×402×802所以大家要自己再算一下,不用光背答案。我算了好几遍。

61. 某种产品的代理分布在403个地区,每个地区平均有a个代理,平均每个代理卖出b个产品,问卖出的产品总数?a,b已知,但想不起来了,简单的计算而已; 答案都是以10的多少次方的形式给的

403ab

71.正五边形ABCDE,求角ABE的度数。Ans: 36o。正多边形的内角公式为:180o(n-2), 性质为各边各内角相等。正五边形的内角为108o. 因为BE平行CD,所以角EBC为72o . 角ABE=角ABC - 角EBC= 108 - 72 =36
84.平行于图中直线的直线表达( 坐标系内,一条直线经过(-3,0) (0, 2))
a 3y-2x=0 b 2y-3x=0 ...... 给出直线的斜率为: (2-0)/(0+3)=2/3, 斜率相同的两直线平行答案是A

100. 3^(6x)=8100, 问3^(3x-3)多少? 10/3

(3^3x)^2=8100à 3^3x=90 3^3x/3^3=10/3

112.Y=(X-h) 2+k、问与X轴是否有焦点(下面的数字不见得正确)
a)h=2
b)k=3
Ans: B即解(X-h)^ 2+k=0有几个解,判别式=(2h)^2-4(h^2+k)=-4k,因此只与K有关

170.男司机和女司机的总数是3000(不太确定,但不重要,知道给了总数就可以),问女司机系安全带的比例是多少?
(1)有1/2的女司机系安全带,2/5的男司机系安全带
(2)系安全带的女司机比系安全带的男司机的2倍少6个

选C 设总女为x 男为y

x+y=3000

1/2x=2/5y*2-6 可以求出x的值

175.n是40到50间的整数,inclusive,,问n的值是多少
(1)n除以3余2
(2)n除以4余3

选D每个都可以

我遇到的题是:.n是40到50间的整数,inclusive,n除以3余2,问n的值是多少
(1)n是奇数 (2)n除以4余3

选B

178.自然数1到n中奇数的乘积是79x80,问n的值,选项里有三个小于100的数和159,161

这道题我没看懂意思。好像是说79×80是偶数1n的和,问如果n的值。

194.一个数列s=1/n-1/(n+1),问前n项的和是不是大于9/10?
a.n>10 b.n<19

238. DS问你一个二位数k的十位是否可以确定?
a) 十位和个位加起来是5
b) K+6的十位数是3

SA: C

新遇到的题都不是很难,一般都可以算的出来。我遇到挺多数学jj.可是我的语文可能因为前面十道做的不好。出现好多逻辑题。都是黑脸题和填空题,抓住我的弱点。最后时间有点不够。语文考的很不好。考前一周都是把重点放在语法和数学作文上了。逻辑几乎没怎么好好看。






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