7/31 北美一战 730 上JJ

Xinking · 发表于 2009-8-1 06:20:00

今天运气比较好, 碰到了很多JJ, 还以为分数能比模考时搞一点点, 结果还是一样. 数学有不少是JJ的变体, 大家要小心

作文
AA14. The following appeared as part of a newspaper editorial.
“Two years ago Nova High School began to use interactive computer instruction in three academic subjects. The school dropout rate declined immediately, and last year’s graduates have reported some impressive achievements in college. In future budgets the school board should use a greater portion of the available funds to buy more computers, and all schools in the district should adopt interactive computer instruction throughout the curriculum.”

AI B10. Portrayals of violence have proven commercially 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 products.

语法有一道GWD 原题
GWD27-Q18:
The Near Earth Asteroid Rendezvous (NEAR) spacecraft will orbit the asteroid Eros for a year, slowly moving closer to the surface of the object to make ever more precise measurements that scientists hope will enable them to understand how the solar system formed some four billion years ago.
A.    to make ever more precise measurements that scientists hope will enable them to
B.    to make ever more and more precise measurements, which scientists are hoping to enable them
C.    for making ever more precise measurements, and scientists hope that they will be able to
D.    with the purpose of making more precise measurements than ever, and which scientists hope will enable them to
E.     in order to make more precise measurements than it ever did, and scientists are hoping they will be able to
答案A

1. 我的第一道数学:
给出xy坐标上的5个不同点, 问那个满足X-2Y>2 (大概是这个式子), 只要代入计算就好, 我选E

2. 一个小三角形(这里用@来表示)可以表示4则运算, 求(1/2 @ 1/4) @一个数
(1)    (4@2)^2 = 2^ (4@2)
(2)    记不得

3. DS: N是正整数, N能否被12整除
(1) 12/N >2
(2) 24/N 是整数

4. JJ 108的变体
DS一条数轴上一次a,b,c,d四个点，两两之间的间隔相同，问a+c
(1)a+b=-8
(2)a+d=0
我选c

5. JJ 9 的变体
DS: 11个数的中值
a 前5个数大于50
b. 后5个数小于50

6. 把第二个坐标补齐 JJ46. There is a line in x-y plane, with slope of -1/5, and it passes through (s,3)and (2,s-2). What is the value of s?

7. 确定JJ57 的A(n+1)=1+1/An

raphael1234 · 发表于 2009-8-1 09:00:00

SF~~

来沾沾仙气~谢谢LZ提供的JJ

riverquiet · 发表于 2009-8-1 10:57:00

ding

7/31 北美一战 730 上JJ

7/31 北美一战 730 上JJ

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