這種"B附著於A"的遊戲類型需要找到兩者的附著關係i.e.這題中,A拿幾個會決定B拿的數量
These games are made to have a sure shot winner (if both players play intelligently and to win) under certain conditions. If A and B are playing, B's move will be decided by A's move if B has to win i.e. there are complementary moves. For example, in this question, if A picks 2 sticks, B must pick 4 sticks. If A picks 3 sticks, B must pick 3 too. So to solve these questions you need to find this particular complementary relation.

1/3....1 2^n是4的倍数

關鍵轉折: Recently, however, some scholars have argued that even though laissez-faire became the prevailing ethos in nineteenth century America, it was not accepted without struggle.

就算單復一時判斷不了,也可以由單複數一致性下手

以2:1反對 所以是2/3反對票

一直在wonder

这道题答案错了哦，需要考虑负数。所以答案是e不是a。请修正一下。
https://gmatclub.com/forum/the-sum-of-the-integers-in-list-s-is-the-same-as-the-sum-of-the-intege-127755.html

closely related才是最重要，不要看到different就是错

问的是treee！！看成twig！！

a particular trait 没有出现在文章，文章说的是地理位置的问题，没有看完选项d，“resloved”是关键，最后一段dna sequence确定了

文章说的是growth rate of average ，是一个1997前24年的增长率，和1873到1973的增长率的比较，题目问的的是average rate 增长的如何，而不是每一年的gdp的比较，！！！注意重点，每一年的gdp比较更定是1997最高，但是一个时间段的avrage rate grow 肯定是1873到1973 的数字大于1997前24年

more babies were born to women over the age of thirty
than (babies were born to women) under it

由于划线部分身后已经写出了in personal spending，所以double身后不需要that of来指代personal spending。

破折号之前的主语是Cane这本书，后面平行的也需要对应是书而不是人

Finally, socialist feminists and most bourgeois feminists concurred in subordinating women's emancipation to what they considered the more important goal of liberating the entire Russian population from political oppression, economic backwardness, and social injustice.

subordinate A to B ： B比A中重要

看了外网的解析。有一点大家都忽视了，就是2,000 gasoline-powered trucks 和 2000 trucks that are powered by gasoline语意上的差别。前者表示的“这所有2000个汽油发动的卡车”，后者表示“2000个卡车中汽油发动的卡车”，没有了“全部”的意思。
另外B中的跳跃修饰不算绝对错误，但相对A来说不优。
A中用到的词组应该是convert sth to sth: convert gasoline-powered trucks to (trucks ) run on c-b gas, 这里run是done结构修饰trucks。一开始我以为run是动词，觉得没有convert sth to do 这个表达就排除了A，然而B中的语意错误是GMAT不能忍的。
https://forum.chasedream.com/forum.php?mod=viewthread&tid=1328876&page=1&fid=23&showoldetails=yes