审题

相关因果是果因推理的一种特例，本题中，
果：rubbing millipede is to protect monkeys from 蚊子；
因：rubbing millipede is rare except rainy season。
隔断这个因果关系，说明这个因果不同时存在。

注意问法，In evaluating the columnist's position
而columnist的前提是，因：artifiical fat can absorb the vitamins，得出的结论是果：artificial fat 有drawback，所以我们要削弱这个结论，就要将这个因果关系断开，或者找到因的干扰因素，最后的目的是削弱结论，那么用其他的方法，比如increasing the intake of vitamins，来将这个隔断因果联系。

方法有误

题意是第四个点的坐标，不是c d值

符号

nor does it address which particular top executives (with respect to length of service) should be retained to achieve a successful acquisition outcome.这句已经说了

median

also, the word 'while' - which is sometimes used to indicate contrast - creates a strange ambiguity here: on first reading, it appears to suggest that the announcement (which took place in '68) happened during the summer of '67; this is the usual sense of 'while' occurring in this place in a sentence. (normally, if used to mark contrast, 'while' appears in front of a sentence.)

老师，D，E中they不可以指代化石化的骨头(lucy)和其他骨头吗？

最终A和C纠结。ron said A错在 1）the other infections such as ..这里the太局限了，限定了一个every single one of the other infection。 2 THE 与 such as不兼容 incompatible。3）错在what引导的从句和其他选项something后定语从句的区别是，
ron说a的主要问题是"THE other infections.的the. "The"太definitive，涵义是 "every single one of the other infections." 。而且THE is also incompatible with "such as”。

A little of X, X should be singular.

老师，我有点不太清楚这里“As criminal activity on the Internet becomes more and more sophisticated”的用法，as 在这里是做连词把 "as..."和“not only..."连接起来了么，后面没有 but 但是也可以和前面的”not only'连接起来?

文章里只highlight了一次啊，where is the "second highlighted portion"?

Down to the nearest $100 → $34,500*5%=$1,725 (the nearest $100 will be $1,700)
$1,700-50*2=$1,600

注意这个题是归纳题，不是支持类的题！

选项B，之所以盲人的激素水平会发生变化就会证明激素确实不通过视觉皮质传播的原因在于，文章前提是在说，对正常人群中，释放这个激素是眼睛对光和暗的反应，这就在暗示说对于正常人来说，激素的释放是会发生变化的；而盲人的激素也会随着光和暗发生变化，则说明在释放激素这一过程，正常人和盲人是同等的，而所以盲人的那块坏的区域也就无所谓了，即说明这个激素是不通过这块坏的区域的。

1. More than 300 rivers drain into Siberia's Lake Baikal.
2. Siberia's Lake Baikai holds 20 percent of the world's fresh water.
3. All the North American Great Lakes combined hold less than 20 percent of the world's fresh water.
或者
Siberia's Lake Baikai holds 20 percent of the world's fresh water more than do all the North American Great Lakes combined.

有人能解释一下A选项最后的more than xxx部分是什么成分吗？
谢谢

"more than all the North American Great Lakes combined" is actually a MODIFIER of "20% of the world's fresh water"