Each person in a certain group supports only one of the two candidates R and T. Of the people in the group, 45 percent support Candidate R and the rest support Candidate T. How many people in the group are in favor of a flat tax?

(1) Of the people in the group who support Candidate R, 58 percent are in favor of a flat tax.
(2) Of the people in the group who support Candidate T, 22 are in favor of a flat tax.

amazing，问的how many，妥妥的E

Goal：吸引更多business operators
Plan：修modern office 和 给lower tax rates
原因论证+条件论证
原因：business operators不来downtown的原因是downtown缺少现代设施
条件：好处（现代设施和低税率）是否足够吸引business operators
C：削弱条件论证过程，如果是为了低税率而来，那么也应该去suburb，不会去downtown

A new machine for harvesting corn will allow rows to be planted only fifteen inches apart, instead of the usual thirty inches. Corn planted this closely will produce lower yields per plant. Nevertheless, the new machine will allow corn growers to double their profits per acre because __________.
D：无法达到double profit，每亩plants数量翻倍，但是文章前提说了每个plant产量会减少
A：也不一定能达到double啦，但是增加了double profit的可能性，D是完全没有

Beta Corporation claims that it no longer has enough work for the 60 computer data-entry workers that it is laying off. These workers have heard, however, that the company is buying 100 new computers. So the workers concluded that the company's real reason for laying them off is to fill their jobs with lower-paid workers.

原因论证——他因/因果倒置/对照实验
E是给出他因——用电脑替代被裁的员工，而不是hire cheaper labors

On Pacific islands, a newly arrived gecko species, the house gecko, is displacing the previously established mourning gecko in urban areas, but populations of the two species are more stable in rural areas far from human settlement. The house gecko does not attack the mourning gecko, but in areas where insects congregate it prevents the mourning gecko from feeding on them.
HG不攻击MG，但是HG会组织MG吃insects——HG取代MG，HG和MG的数量在没人的地方更稳定；
搞清楚要解释的现象是什么：urban和rural地区HG和MG数量区别的原因

But clinging to this ideology also prevented these women from even attempting to gain true political power

annually和each year语义重复，排除ABC；Dwordy

因式分解360=2x2x2x3x3x5，所以X要是这其中因子乘积，又10

C. 正确。可可树要花5-6年才能结果：此选项是想告诉我们可可树要花很长时间才可以结果。如果我们取非——可可树“唰”的一下就能结果，那么供应问题就有可能解决了，未来cocoa的价格就不一定会持续上涨。此选项取非后可削弱。

还是句意理解不到位

B． they指代artifacts。主句的主干为：they（artifacts） did not inspire imitations，意为“工艺品没有鼓励模仿”。逻辑上，工艺品只能是被模仿的对象，不能主动发出鼓励模仿这个动作。

having done可以用非限定，一般用于S, having done, VO结构没有歧义，这时候having done修饰S主语，而不是后面的动作。
Having done用于限定定语通常产生错误：
1、时态问题，done就done了，是一个已经完成的statement，不应该用having的进行完成时来表示状态，正在完成中是很奇怪的状态
2、简洁性：having done都可以用who has/have done来代替，所以having done不是一个好的结构

注意本题目标是卖出专利后有钱进行教学
exclusive sponsors独家赞助
A：企业喜欢成为大学科研项目的独家赞助，没有说卖不卖的出去
D：LU这些项目已经被很多企业完成了
E：LU不可能吸引企业赞助，赞助不等于卖

travelling 的逻辑主语为什么不是 主句的主语 geologists?

A． 正确。“the water supply and sewage system”意为“给排水系统”；which引导的定语从句，修饰generators and system。
E． depend和put两个谓语中间没有连词连接，属于语法错误。

B still hurt the rare migratory birds

比较只有as as和more than，不能混用，而且water是非数值名词，肯定要用as much as

不是很明白，实在觉得是个封闭式平行啊

B和C纠结，觉得C好直接，选了C，但是其实C有范围差，发生了地震=/摧毁了城市，B是能体现出在AD365摧毁的

【修饰位置】在很大程度上were in large measure ，B答案修饰two women 逻辑对。【大多不是直接靠简单知识技巧解题的，很多要理解意思】寻找split