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个人着重看了作文和数学JJ,其实中的挺多的,逻辑和语法感觉帮助相对弱一些
作文
Fleet Motors买快破产的Futura
idea挺好写的
数学
19题第二个条件是n(n+2) 是偶数,可以推出each 是偶数
补充61题,复利一个investment是r percent semi-annual interest,一个是q percent quarterly interest,比谁的interest income高
条件1是r>t
条件2是(1+r/200)>(1+q/400)^2
我选了条件2 alone is sufficient
75题的变体
问题一样,条件变了
条件2变成了最大的200个数小于0.022
最后我选了条件1 alone is sufficient
97题clarify一下:based on之前的图
AC= 5, DE = 3, AC到B的距离是3,求出来AC DE之间距离是3/5*2
125题 答案C是对的
条件1是a@(-a)=0 --> 推出只可能是减法和乘法
条件2是a@(b@c)=(a@b)@c -->推出只可能是加法和乘法
结合both 才能确定@是乘法
113题我的答案是-2
新题:两个team,team A 24个unit一起卖,team B 30个unit一起卖
条件1:team A卖了 XX 个24个unit
条件2:team B卖了20个30个unit
问卖出的unit总合能否被12整除
条件2 alone is sufficient
一道比较难的题: 30个人,问 whether at least one person scores below 9, exclusive of 9 (score is integral)
1: The average is below 10, exclusive of 10
2: 16 people score 11
选了both
5 - sqrt(6) < sqrt(x) < 5 + sqrt(6)
1: x is even
2: x is the square of an integer
选了E
逻辑
过山车说下降时的excessove gravity force会给人造成伤害,有新regulation来limit G force,问如何validate新regulation,if fully enforced,是否有效减少过山车对人伤害
选了if physical stress can come from other aspects in the rollercoaster ride, other than the G force
patent dispute增加是对consumer好的,因为说明R&D增加, which is the result of heightened competition, which will lower price
How to weaken this claim?
选了最近patent dispute increase is because the agreement among firms to stop patent litigation has expired
一种动物的死亡被归因为M毒药中毒
Farmer, in order to combat acid rain, uses a kind of chemical that contains M毒药
How to strenthen this claim?
选了这种动物野外没吃的,得去farmer pasture找吃的
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