E错在it, 指代的应该是复数的the reasons. D错在 neither nor

这里省略了 do不会产生歧义，是因为野生动物肯定不会含有牲畜，所以比较的对象就是wild animals 有的脂肪量和 livestock 含有的脂肪量 而且这里A选项的do 应该换成does 会更好

pay close attention we have "and", which triggers parallelism. In the 1st noun underlined Part we have Can threaten so we need a parallel verb to that, based on that Option A,B,C gets eliminated

the effect didn’t cause Port Royal to sink . Earthquake did.
the earthquake itself is what should be compared to the eruption.

the idiom is "to try to do" not try for doing or try and do

X is 200 times as old as Y -- CORRECT. However, X is 200 years as old as Y -- WRONG.
it should be: X is 200 years older than Y

6-n1+6-n2+6-n3=18-n1+n2+n3小于等于6，其中n1，n2和n3在1到5之间包含1和5，问18-n1+n2+n3最小是多少，n1+n2+n3最大就好，都取5就是15，18-15=3

as 的意思没有说清楚是 while/because
usher ... into ...

题目中两个谓语动词所以需要一个连词，排除ABE，in the domains，故选C

省略
Most of the country’s biggest daily newspaper had lower circulation in the six months from October 1995 through March 1996 than (most of the country’s biggest daily newspaper had) a similar period a year earlier.
或者
The circulation of most of the country's biggest daily newspaper is lower in the six months from October 1995 through March 1996 than that in a similar period a year earlier.

我觉得last year's 应该是对比形式不同的问题吧，如果用the prices of last year,是不是就对了呢？

毕老师，这个A选项不是两个年份相比吧，两个年份有什么好比的呢，比年份大小么？我觉得应该是这个年份的价格和那个年份的价格相比

Zoologists had assumed that females of all phocid species, by contrast, use a fasting strategy in which mother phocids, having accumulated large energy stores before they arrive at breeding sites, fast throughout the entire lactation period, which lasts from 4 to 50 days depending on the species.

B是因为新产品激增

Even though manufacturers and retailers can forecast aggregate demand with some certainty,

答案错误，0.9^(1/2)的结果为0.3，答案应当是E

C，sided虽然可以做定语修饰five nations，但因为这样会导致句子没谓语，所以它在这个句子里做的是谓语。alone既可以做形容词也可以做副词，如live alone；lonely只能做形容词或名词。这里alone是做副词做状语，修饰sided，独自站队殖民者。

这里只能用will不能用would，因为前面if没有用虚拟；如果没有这个if从句，用would表示排放最好不要上升之意，比用will好
if did/were to, then would/should/might/could; if had, then would have; if should, then would

by 2010 emissions will soar to a level more than one-third higher than that in 1990/ than in 1990, 不能说than those in 1990/than those will in 1990，这是把level和emissions相比，错误
正如I get an apple bigger than you是把apple和you比，表示拿到一个比你人还大的苹果；应该是I get an apple bigger than you do或than yours。

虽然A group of scientists里的group可以代表一群人作复数，氮素GMAC还是喜欢把它看作单数；这里A group of scientists表示一个类别/组织
global warming of between 1.8 and 6.3，of表示名词具有的状态/性质/动作等，如：woman of science从事科学工作的女性，risk of causing cancer

1华氏～0.5摄氏，1.8-6.3华氏～1-3摄氏，所以这里用between/and而不是from/to