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- 2021-3-17
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V:阅读:
1. jj里面的earth mantle(是否有iron)
2. 不在jj 讲的是American African & white 的earnings gap widens (not resolved by Africans 教育程度提高什么的),记得有一题是问1970-1980年代发生了什么,定位在第一段,选的是occupational segregation没那么严重
3. descriptive grammar (教你不要犯错)& prescriptive grammar ,说好像有些prescriptive会给bad advice+cannot distinguish between formal/informal usage of language(prescriptive教你how to use this language)还举了四个formal/informal的grammar (i done it myself/it is done by me之类的)但是说这些没办法说是grammarly incorrect
逻辑:
1. jj里街灯与犯罪率
2. jj里屋顶漏水卖房子
Q: (Q51)
1. jj: DS 一个square内一个circle+4长方选了C
2. jj: DS 12345中插入两个+号,问N is even? (1)N is three digits (2) 忘了 选了A
3. jj: DS 玩游戏可得1/2/3分,最后得9,选B
4. PS 一人50% assets=stock, stock decreases 20%,问stock占多少?
5. jj: PS 一square里有1 equilateral triangle,求上方角x,算出来15,选A10<x<20
6. PS: 求revenue,sales前xx抽x%,具体忘了,分了三段,最后几题比较及,还是算出来了,选项都是的R S的关系式,选了一个有0.35+125这两个数字的
7. PS: 求最大值:(A) 2^(5^5) (B) 3^(5^4) (C) 4^(忘了) (D) 5^(忘了) (E)?? 算了很久出来是A,CDE直接删去剩AB在想
8. DS: 11,13,19,22,23,24,25,x,问x=? (1) range=12 (2)x<?? 选C
9. PS: 一群鸟, male 60%,这堆鸟一部分迁徙,迁徙中的male占全部male X%, 迁徙中的female占全部female Y%,问X:Y? 题目超长,选6:1
10. PS: 一农夫在fencing, 圈suqare可以比圈rectangle (长=宽三倍)多400 square feet,问fence长,选160(square边=40, rectangle=20*60)
11. PS: 五个“不同”数,最大数40,问以下哪些可能是median? I. 5, II. 15?不确定 III. 25 , 选I+II
12. Ps: x1-xn sd=1.75, sd of -2x1, -2x2...-2xn?,应该很简单的但我压根忘了怎么算,想了很久选了3.5(选项-3.5, -1.75, 1.75, 3.7, 2.5?)
13. 一个多项式化简,结果是x^2+x-1
14. 求实数根几个 化简完x^2(x^2+7)(x^2-5)=0,三个实数解
15. DS: 问R+S average? (1) R average已知 (2) S average 已知 选E (do not know their 数量)
AWA: 非jj
compared with work from home, it is better to stick to work at office (stable & earn more)
理由:在家工作will be distracted (calls, noisy neighbors...), tend to procrastinate, low efficiency, cannot socially and professionally connect with others, low advancement opportunity => become isolated..
目前想到这些 想到了再补上!
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