(D) lower只能做形容词,不能修饰动词rose; than in the year比较结构表达太模糊,完全可以理解为
than others expected in the year或 than price rose in the year等等，所以补足主谓可以消除歧义

D 药材不能提供就业机会，只有作为“source” 才能提供就业机会
GMAT不能跳跃推理

(E) In the phrase 'little of X', the X has to be a singular quantity. If it's plural (like 'differences'), then you have to use few.

since it is difficult to collect the tortoises without a vehicle原文信息永远正确

能和克隆比的肯定是猎豹这个种群的成员们，而不能是基因的同一性。

For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.

both一定指的是两者
each对应一个，看作单数
one another一般用于“多于两者”的情况，
两个人——one the other

题目说学习日语的人超过100，没说具体多少，500也是超过100，这个条件不充分。
只考虑2，同时学习两种语言的人是固定不变的，这部分人占法语的4%，占日语的10%，同样的人数在日语里占比更重，那明显法语总人数是比日语高的。
故2条件充分，1不充分。

条件1如果有三个数那么任意两个数是0即可
2） sum of any=0 1+-1=0 但是1和别的数加起来不能=0，所以（2）使得所有数字只能是0

漏看整数条件！

pyramid的这题Ron的课里说due to只能跟在结构后比如the failure due to my incompetence is inacceptable，moisture不能直接造成cleaning and repair所以做题时就去除了a和b选项。请问这种解释是否可以？

A. profit是收入，只讨论收入的关系，与成本无关，成本影响的是利润
C. 主要收入来源是为其他厂商提供配件，故retailer的收入增加了，并不会很大程度的影响公司的总体收入。(事实上由于自家销售行情更好，其他厂商反而可能买得不那么好)

Most existing maps of Native American lands are reconstructions.........

have been predicting表达的意思是（几周以来）至今仍在预测，故BCE过去式predicted错误
due to错误

考点是时态！！！

考察parallel
句子主干 Examples include brain growth…and an increase in neurons…
If you say \"when + PAST PARTICIPLE\", then this automatically applies to the SUBJECT of the clause to which it\'s attached.
，即主语examples，而并不是语义上的mice，所以AD错误
D的they指代也错了，Ron原话：
"they" is totally wrong in (d). it would automatically refer to "neurons", since "canaries' " is possessive and therefore ineligible to be the referent.

A. 不是fail to provide adequate services，是提供合适的service却需要更高的input
BE错误
C. 本意并不是recommend a particular change推荐一种改变方法，只是举个例子
D. Theoretical literature offers conflicting views on whether nonprofit hospitals are less financially efficient. 正确

earliest date at which it is known的意思是“知道xxx”的最早日期（被提前）
earliest date at which xxx are known to的意思是已知的“xxx这件事发生“的最早日期（被提前）
C和E：现在时known to do，过去式known to have done，后者对，因为发生在过去

Nowhere与in the novels of James Fenimore Cooper对比

between 1876 and 1904短语放在了three separate sewer systems的身后，修饰了three separate sewer systems，而不是construction。