A replace B, 取代，替代；sb replace sth (with sth),某人更换了某物，而不是用某人来替代某物
water replaces the organic components with minerals,水使有机质被矿物质替代了

focused on whether Earth would grow warmer and to what extent,=to what extent (earth would grow warmer)
focused on whether Earth would grow warmer and the extent that is,that只能指代名词，这里不是某物的程度，而是某物生长的程度，

几种主要的倒装：
否定副词前置引起的倒装，如：Not every day do we have such luck.=We don't have such luck every day.；Not until you are married will I stop waiting for you.；
地点词前置引起的倒装，如：There is a book on the dest.; In Loch Ness dwells a mysterious monster.; Among the best writers is she.;To the west of Japan lies China.
引述内容提前造成的倒装，如：The wind was too heavy, the walker said.或said the walker
省略if的倒装：Were I you, I ……

没有宾语前置的倒装，D错误

promote后面少了一个单词flexibility?

https://gmatclub.com/forum/it-is-widely-assumed-that-people-need-to-engage-in-intellectual-activi-202263.html#p1759221

有have the ability to do sth的用法，但是只用the ability，不用have one's ability，因为某人有能力逻辑上肯定是有自己的能力，不需要再加one's。

the combination of a reliable supply of water and of good growing conditions表示”水和良好的种植条件的可靠供应，（鼓励了农业传统）“，supply water的意思是供水，一般指人为供水；好的种植条件则更倾向于指包含自然提供的生长条件，比如河流泛滥提供富含有机质的淤泥，因此不说良好的种植条件的供应，改成“水的可靠供应和良好的种植条件，（鼓励了农业传统）”。

endure：忍耐，如：endure sth/doing sth，忍受某事；持续，如：Sth endure for sometime，某事持续。
本题tradition endure for 6000 years，表示传统持续了6000年，endure已经有持续的意思，不再用have been enduring表示从过去到现在到未来一直进行。

平均值不要求是整数

more than 是加的意思

想当然地认为那10页是在原来40上上改的

Some critics blame this impasse on environmentalists , whom they believe fail to address the economic issues of environmental degradation

account做名词后面接of，如：
give an account of sth,对某物的记录/说明/描述；give a good/poor account of oneself，表现好/不好;on account of sb/sth,由于某人/某事的原因；take account of sth，考虑某事
account做动词，后面接for，如：
A account for B,A是B发生的原因；sb account for sb/sth，查明某事；

D/E both and平行

ecological service是指生态系统可以创造经济价值。

such as improved plant varieties and use of chemical herbicides, which would increase productivity and slow deforestation by reducing demand for new cropland.

since customers understand a restaurant's product and know what to anticipate in terms of service, they are empowered to question its quality

feature sb/sth，以某人为主角，以某物为主要内容
the film feature sb,电影以某人为 主角；the model features alloy wheels,这个型号以合金车轮为特色；A feature in B，B以A为特色，为重要组成部分
本题：the magazine feature articles on……，这本杂志以某类型的文章为特色，为主要内容；the magazine feature sb，这本杂志以某人为主角
D/E，前面讲杂志报道私人生活，后面讲尽管这些杂志之前报道的是……，语意+逻辑E更优。

→单复数：一对父母就一个divorce，所以做为名词时用单数，排除a/d
→指代：e中it句意上指代the reasons，是复数，单复数不匹配，排除e
→idioms: preoccupied with, curious about. 排除a/c
→idioms: neither…nor…排除d的neither…or…
→idioms: reason that led to...-->redundant,排除a/c/d

第二句最后一句扭转了态度：Even within national contexts, studies have found more support for the density dependence model when they employ broader geographic units of analysis

1.主谓一致，排A
2.平行结构，排E
3.如果主语和谓语动词之间有插入的定语成分，要么用双逗号或者双破折号隔开（非限定性定语），要么均不用逗号隔开（限定性定语），排CD
4.逻辑：没有转折关系，排ACD

“But when the energy coming from the galactic center is compared to widely held predictions based on how much matter should be falling into a theoretical central black hole, there is a discrepancy by a factor of a few thousand.”说现在收到的energy比本应收到的少，A说现在假设的黑洞吃的太多，也就是说实际情况下黑洞吃的没这么多，吃的少那么放的能量就少，问题就没有了。