1、 一个圆以原点为圆心，一条直线与它相切与(-根号2，根号2)，问该直线斜率 答案：1
2、 一个圆以原点为圆心，1为半径，一个直线过原点且斜率为1，问与它交于下列哪个点。答案：(根号2/2，根号2/2)
3、to bid a project, the cost includes material cost and labor cost, ask the percentage of X's bid cost to Y's bid cost?
a.X's costs are 20% higher than labor costs and 10% higher than material costs.
b. Of total costs', Y'S 60% are labor costs.
(今天让我最头疼的一道题，和去年2月的73th JJ不同， 犹豫半天，选了个E)
4、给出一个table, 上面是八个国家的per####, 问能得出下面的什么。(简单，都是基本数字对比，送分题)
5、一种酒，用bottle装，用船运给买家。单价40$, 买n瓶时，需要付的钱有包括酒价和运费，运费又包括两部分，一是全部酒价的5%，二是每运一船的5$.问，如果最后算出每瓶酒包括运费在内的实际价格小于42.5$, n 最小是多少. 答案：11
6、x1 (1)每一个数都是前一个数的两倍
(2)x4=4x2
答案：e
7、 x/2为整数，x/3是整数，问x能不能被12整除
(1)x能被6整除
(2)x/2是even
答案：b
8、几张牌 分别是 35 28 64 57 (数字不准)，抽出一张，问剩下的range 是多少。
1) 抽出的是5的倍数
2) 抽出的是odd number.
差点就选a了，应选d. 问的是range.(最大和最小的都是even )
9、A company ‘s profit increased x percent in 1980 than 1975, and increased y percent in 1985 than in 1980, what percent increased in 1985 than 1975.
1) x+y=4
2) (1+x/100)( 1+y/100)=4
b
10、The area of a round pool is 63, and the area of a passage around the pool is 18, ask the width of the passage is most approximate to which of the following answer
2.0 1.5 1.0 1.3
要知道根号7的值，可是把我算死了，我选了1.0 还有一题要知道根号10，大家记一下，免得到时候抓狂
11、to bid a project, the cost includes material cost and labor cost, ask the percentage of X's bid cost to Y's bid cost?
a.X's costs are 20% higher than labor costs and 10% higher than material costs.
b. Of total costs', Y'S 60% are labor costs.
这是昨天的jj，我也选了E。