a选项中result后面应跟名词短语，而非动名词；同时，suffer from后面跟的应该是核心词，在该句中应该是食物供给的变化，而非食物供给
c选项错误同a（核心词的问题）

［！！！］
⚠️ initiating，所以直接排出abc，主语只能是California
e选项per capita、per person重复 最后的more than不能构成同位语，不知道在修饰谁，应该在前面加上a drop

E应该是so secretly Installed and operated in the Kennedy Oval was a recording system that……
so secretly副词/修饰状语倒装，起强调作用。

倒装：
if句倒装：助动词/be动词+主语+谓语动词原型=if sb do sth

否定副词前移：否定副词+助动词/be动词+主语+谓语动词原型，如：
Seldom do I go to work by bus.

地点、范围介词短语前置：地点、范围介词短语+谓语动词+主语，如：
Among the surest indications of sunspot cycles is the rate at which trees grow.

than等引导的被比较部分引导的句子某一成分过长，或复合句里某一成分过长，而将另一成分前置以便于理解，引起的倒装。

错选e，ing形式表伴随代表的是一种自然而然的因果关系，用在此处不恰当

容易错选d
until表示动作的延续，即在某个时间段内一直持续这个动作，这边的意思变成了take years这个动作的持续，意思上是不对的
同时take和resisted是并列的，不能直接逗号后面跟restricted，变成了状语

both and不同于not only but also或者either or这种，它是用复数的，而不是由前后某个名词决定单复数

C选项：他们避免了忽略重要变量的风险，即使这么做会提高他们的研究成本：忽略变量的风险并不可能完全被避免，只是被降低。

although引导让步状语从句，不要求平行
abc选项中从句中的they优先指代了audiophiles and audio professionals和warmer, richer tones，导致逻辑❌
d选项中prefer和by之间相隔太远，造成修饰不当，同时会造成歧义“produce xxx by”

作者开篇就说了早期女权主义者是保皇派这是一个不争的事实，所以RF并不是用来质疑这个事实的。

WTUL认为的是要通过限制女工来避免铅中毒，而法规无法发挥作用的原因是没人实行，而不是法规本身有问题。

要有能力从各选项的其不同成分中读出其所表示的语意的不同，并做判断：
C, the gravitational force causes contractions that may generate so much heat.引力产生收缩，收缩发热。
D, the gravitational force, causing contractions, may generate so much heat.引力发热，引力产生收缩。

语意：
反贫困组织不得不与发生经济转换的20年做斗争，这个20年压缩了工人的钱包。
two decades作为斗争的对象，直接导致了工人工资变少，在从句里做主语比做时间状语优。

本题“They have charges on accounts with balances that are falling below a minimum."with表示有什么什么样余额的账户，ok。

A， accounts with balances that are falling below a minimum，强调是余额正在下降到某个临界值的账户
B，accounts whose balances fall below a minimum，表述账户余额低于某个临界值的账户，语意更优

with+名词除了表示一起/跟随做某事，还可以
(1)表拥有某物：Mary married a man with a lot of money. Marry嫁给一个有很多钱的男人。a girl with red hair， 一位红发女郎
(2)表用，使用：I cut the apple with a sharp knife. ；The bag was stuffed with dirty clothes. 袋子里塞满了脏衣服
(3)表涉及一事与另一事的关系：She won't be able to help us with all the family commitments she has. 她有这么多家务事，帮不了我们
(4)表原因：Father is often excited with wine . 父亲因为白酒而兴奋
(5)表让步，尽管：He is not happy, with all his money and fame. 有着钱和名誉，他还是不快乐。

ing和动词、从句表示没有时间终点的事情，名词表示有终点，强调已经结束的事情。

看到底是跟by并列还是跟from并列，是动词分词的跟by并列，是名词的跟from并列。一个一个带进去，看哪个选项平行和语意都满足。

Finally, to the extent that changes in compensation create new problems, the consultants will continue to have work solving the problems that result from their advice.

The confusion of costs with rates persists partly because labor rates are a convenient target for managers who want to make an impact on their company's budgets. Because labor rates are highly visible, managers can easily compare their company's rates with those of competitors.

But labor costs and labor rates are not in fact the same: one company could pay its workers considerably more than another and yet have lower labor costs if that company's productivity were higher due to the talent of its workforce, the efficiency of its work processes, or other factors.

changes to the compensation system may appear to be simpler to implement than changes to other aspects of an organization, so managers are more likely to find such advice from consultants palatable.