Most existing maps of Native American lands are reconstructions 鬼遮眼了又错了一次

（2）21x+5a+25b+50c=288, 3x+a+b+c=16
根据尾数，21x的尾数是3或8时，288-21x的值才可能等于5a+25b+50c，凑3和8，8的话3x已经大于16了，不行；凑3，a,b,c有解，所以x=3。

the amounts of复数

reach时态问题

media是复数。。

D选项：this是代词，可以指代单数名词，但是本题中stimulate的逻辑主语应该是复数名词provisions of the new maritime code。

What is striking about these lizards is not that coexisting species differ in morphology and habitat use (such differences are common among closely related sympatric species),

habitat specialists on one island are not closely related to the same habitat specialists elsewhere
在相似环境生活的两个物种的基因并不相似 他们是独立发展的（在各自的岛上）

if the specialists evolved independently on each island, then a specialist on one island would be more closely related to other types of anoles on the same island-regardless of their ecological niches-than it would be to a similar specialist on a different island.

https://gmat.viplgw.cn/question/17784-数据充分DS.html

1、opposite of表示相反的，as opposed to表示对立 排ae
2、b排private c排ones 剩d

老板的书里咋没有这一章节？只有动词“非范畴化”。。。

正在发生和预计会发生的结果。

enough to 不是因果

But in reality the federal government continued to negotiate formal tribal agreements past the turn of the century,

正确但是超时，在犹豫the one reputated to live指的是monster还是inhabitants

4小部分不能证明 ，而且排除原因1不一定就是原因2

1不足以支撑和2没有确切标准衡量都是empirical study所发现的，不能只定位在第一句话，要理解整段。additional 不是另一个不相关的点，而是指两个点中的另一个。

这里要注意organized labor

题目：配额——》怎么办：在配额前就扩大基础