标题: 10.27 2014 北美 回忆 [打印本页] 作者: assahole 时间: 2014-10-28 09:08 标题: 10.27 2014 北美 回忆 AWA
A cell phone company needs metals for cell phone production ( gold , silver,几个 etc). And the price of the metals changes dramatically during the past decade. In order to prevent future losses, the company planned to buy large quantities of metal this year, to lock it's production costs for the future.
Quantitative
一个家庭每个人眼睛颜色不同, 1/3 brown, 1/4 blue. What is the possibility of 既不是棕色或蓝色?
有一题, 关于农场一个F什么cost, ( fertilizer cost? 不记得 ) last year F cost是total cost的20%. Total cost是$200 per acre. This year, total cost increased $20 per acre. 其他没有变化 问this year what percentage of total cost is F cost? (好像忘记了一个条件....) T T
x-y=?
1. 2x+y=7,
2. x+y= .... (忘记....一个正数 )
Verbal
1. 关于1917年Russian peasant revolution. 然后我失忆...........
2. P1, 介绍某种行为. 消费者对待某一catalog产品, 一名词, 这产品can be use for a few years. 耐用! 而研究表明，人们买这个东西的时候会考虑的少, 直接地买, 少比较价格.
P2, 猜测为什么会这样子呢????? (我没有看... - - )
3. 失忆失忆失忆 只记得 is about women in industry revolution. 超长!!! 4段 - 5段.
