be known as +n. 正确 排除BE
be known to do sth. 正确
be known for doing 错误 排除C
D force后面缺少宾语
force sb to do sth，强迫某人作某事；force sb to sth，强迫某人进入某种状态

through后面的improve为什么不用ing形式而是用ed形式呢

so that后面是一个主句加上as引导的从句，as用的一般现在时，所以主句的时态不能晚于一般现在时，排除BE

C would add有两种理解，一种是过去式 一种是虚拟语气，对比D的话 D更好

A trick for doing不正确，for表用途或理由 实际上是介绍trick

因果推理，CQ削弱结论
A 无关，讨论工人的知识
B 无关，过去的订单信息
C 无关，一个规定
D 工资高，经验多，直接削弱，不是因为想雇佣低成本劳动力
E 无关

语意是通过两种方式降低二氧化碳排放，更有效燃烧化石燃料和用氢燃料替代化石燃料。 化石燃料和氢燃料本身无法降低排放的，所以只能选C

"调查发现的是两件事，所以and前后需要平行 found that XXX and that XXX 排除ABC

E shifts differ from husbands 不合逻辑"

"the Oneida这里指的是一个部落的人，是复数 ，谓语动词要用复数，排除AB

were the only ones没有这样的表达，只有only one没有only ones，D错误
E 的过去完成时没有支撑

""five-nation"" is actually an adjective. So, the five-nation Iroquois League is a singular noun phrase. We cannot say ""one of/ alone of/ only of / the five-nation Iroquois League"". i.e. these constructions seem like ""one of apple/ alone of apple / only of apple"". So, we can kill A, B and E.

"

"whether or用在这里错误，这里表达的是两件独立的事情，而不是选择 排除CD
B改变语意，原意是会不会发生，而不是会不会重大
A and后面语序错误 后面相当于是宾语从句，不能用疑问句句式"

not so much A as B 与其说A不如说B A和B要平行
其他选项要么搭配错误 要么不平行

"A 主句没有谓语动词
E learning的逻辑主语错误
BD中it指代的是前面的一整个名词a synthetic growth hormone，但事实上应该指代growth hormone

"

在外网看到的E选项居然不一样。还看了好几个网站。First discovered more than 30 years ago, Lina's sunbird, a four-and-a-half-inch animal found in the Philippines and that resembles a hummingbird, has shimmering metallic colors on its head; a brilliant orange patch, bordered with red tufts, in the center of its breast; and a red eye.


(A) found in the Philippines and that resembles

(B) found in the Philippines and that, resembling

(C) found in the Philippines and resembling

(D) that is found in the Philippines and it resembles

(E) that is found in the Philippines, resembling

"immute to... 不受...影响; immune from... 免除… 排除AB
seem, appear, look，feel, smell, sound, taste是系动词，可以替换成be动词，直接接形容词

E 第一个it形式主语，第二it臭氧，代指不同错误
C 时态不正确，时态应该比have now realized早"

国家之间的对比，可以排除BCE
AD之间对比
习惯用语-A as varied as B，A和B要平行，B用来解释、举例A
I get mail from cities as far away as New York. 我从像纽约那么远的城市收到一封邮件。强调形容词far
I get mail from cities that are as far away as New York.我从和纽约一样远的城市（都是xx公里远）收到一封邮件。that are在说明先行词的性质，和……一样远的先行词。

A 两个谓语 错误
E runon
D and with each在前面找不到平行对象
C each是名词后面跟一个定语从句，该定语从句省略后只剩下一个名词

C少看了一个not.............

"due to修饰名词，排除AB
C runon
D more 和as as连用 错误"

"D中 to make 的逻辑主语应当是company，但这是后面的make it successful里的it就应该用itself了

part of deal不能做950M的同位语，因为并不是950M是的公司成为最大的制造商，而是purchase的这笔交易" 排除ABC

part of/a part of：
都表示部分，part of侧重不肯分割的部分及占比较大的部分，a part of侧重指较小部分 Right：Sleep is part of a person's daily activity cycle. Right：Our world is but a small part of the cosmos.

"between and 搭配 排除DE
主语是复数，动词也要用复数 排除C
AB区分：
A，differences in how the two ears hear a given sound，how引导名词性从句，句子核心是：“两只耳朵如何听一个声音的差异”
B，differences in the two ears hearing a given sound，句子核心是：“两个耳朵的差异”，“听一个声音”作ears的定语，置于differences从句的第二层，没有A的表达效果好。"

may 和likely重复，排除AB
D where错误
C 错误 because of 不可以放在be 动词后面，必须与normal verb连用 唯一的例外是强调句型。It is because of X that Y verb
"because of" can't follow a form of "to be". it has to follow a normal verb.
today's delay is because of the rain --> incorrect
the train was delayed because of the rain --> ok

"indicate的应该是一件事情，排除DE
A compared to的比较对象不对等，前者419 times the pay of blue-collar workers表达的是工资数， 而后者a ratio of是比率。
B compare to只能用被动，比例不可能主动比较
C 觉得也有问题，as copmared to 太奇怪了 差中选优吧"