改错题：The integration of independent states could best be brought about by first creating a central organization with authorities over technical economic tasks.答案是把 authorities 改为authority，请问为什么呢？
SINCE
MARCH 12th, when the first hickory shad of the year succumbed to a sparkly
lure, anglers of both sexes, several races and all sizes have been lining the
bank of the Potomac in Washington, DC, like salmon-hungry bears. 我感觉看作定语从句和状语从句都可以，是这样么？谢谢...
...ich makes a person stay trapped inside. After facing up to a fear, one may
find life easier and much more enjoyable.这里的 those very fears 是什么用法？fears 应该是名词吧？为什么前面用 very？
这句话的Where为什么是地点状语从句呢？不是非限定性定语从句呢？The attacks on ambition are many and come from various angles; Its public defenders are few and unimpressive where they are not extremely unattractive.
...the world's natural habitats - runs obvious parallels to mankind's own diversity and through the beaming eyes of Hopps offers a glimpse at what can be achieved if only we don't remain so set in our ways.请问：(1) runs 是什么意思？(2) only 与 we 可以调换位置吗？only ...
Vertebrate EPRS contains two distinct aminoacylation domains, connected by a non-catalytic linker, and first joined in a unicellular ancestor ~800 Mya.这里的connected与joined分别修饰什么，在句子是什么语法成分?
While listening to a lecture, I like sitting in the first row, from ____ i can hear clearly.A. which B. that C. where D. there 答案为c，from 后面可以跟where 么？from which 相当于where，不可以么？谢谢
the UK government's decision to shutter plans to build the world's first tidal lagoon off Swansea Bay is a hard blow for Wales.1.黑体部分是不定式表目的还是做plans的后置定语？2.翻译成：英国政府决定关闭在斯旺西海湾附近建造世界上第一座潮汐泻湖的计...
...nk of the party?I've never been to ( ).A. a more exciting one B. the more exciting oneC. a most exciting one D. the most exciting one答案是: D. the most exciting one这使我迷惑不解！不能理解。我个人认为正确答案是A. a more exciting one 麻烦...
...。(2017北京卷阅A)She
coughed and choked and could hardly survive
her first few weeks. 她咳嗽，呼吸困难，几乎没能度过最初的几周。(2016天津卷完形)It’s
hardly an obvious conclusion that this is a good way to survive. 很难得出一个显而易见的结论，这是生...