问题 as用法疑惑

网上搜了很多关于as在非限定从 与 状语从句的区别，但还是比较迷惑。请问：as 后面为什么有时有it,有时又不能用it呢？

问题 As的用法

A relative threat to children’s health is not as easy to get rid of.请问老师，as在这里是什么用法？

问题 倍数表达可以省去第二个as

Maybe I would have sold twice as many copies without that equation. （如果不用那个公式的话，也许我能多卖出一倍的书。） 请问老师，原句是不是可以等价于Maybe I would have sold twice as many as copies without that equation. 原句为何少用了第...

问题 as being 的用法与省略

They advertised goods (as being) for sale.1. 这句话如何翻译？2. as being 是什么意思？是什么作用？修饰哪个词？为什么可以省略?3. (as being) for sale 是非谓语吗？

问题 enthrone的用法疑问

This development—and its strong implications for US politics and economy in years ahead—has enthroned the South as America’s most densely populated region for the first time in the history of the nation’s head counting.句子中的 enthrone 如何理解？求讲解，谢谢老师!

问题 be three times as what it was...分析

Petrol is three times as what it was a few years ago in China.这句话是表示倍数的，把 as...as 结构补充完整应该是怎么样？后面的 what 去掉可不可以，改成类似与 Petrol is three times as expensive as it was a few years ago in China.

问题 介词 off 的用法

The discovery of vast petroleum fields in the Barents and Kara Seas has raised fears of catastrophic accidents as ships loaded with oil and, soon, liquefied gas churn through the fisheries off Scandinavia, headed to markets in Europe and North America.请问老师这里off是怎么理解的呢？翻...

问题 比较结构中：同主语不同比较项的省略

Mrs bold is a very beautiful woman,and as intelligent as beautiful.如何理解该句子：是同主语而比较项不同的比较吗？为什么比较结构的主从句的主语系词都省略了？还是说因为and的存在这只是个比较结构不是句子所以没有成分？

问题 as过去分词be动词省略

as加过去分词什么时候必须得加be动词？是不是as引导比较状语从句和方式状语从句可以省略be动词？than也一样吗？but引导定语从句和than,as一样都不能省略be动词吗？

问题 as引导的是比较状语从句还是关系从句

曹老师您好！刚才翻阅“as定从”，看到您的两篇：在as比较状语从句（见文章截图的红线勾出），一文说as此时作关系代词，另一文说as从来就不是关系代词。不知该如何理解？（我看两文中，这两说都是您自己的观点，而不是...

问题 请教！as happened能用，as it happened能不能用？两本书的讲解似乎有矛盾。见图片

问题 with sb doing 表示动作完成还是正在进行呢？

This is what the event usually looks like with as many as 2500 people assembled in one room.That's under normal ciscumstances.上句用了with sb assembled 是否意味着sb是被动完成的，即被召集去的。假设上句用了 with as many as 2500 people assembling in one room 意思是...

问题 关于as用法

She is happy, as her sister is.和It flew straight as an arrow.这两个句子可以给后面加上happy和flew吗？谢谢老师！

问题 To it cause句子成分怎么理解(该怎么翻译)

...he health research community should actively recruit to its cause not only well-known personalities such as Stephen Cooper, who has made courageous statements about the value of animal research, but all who receive medical treatment. 简化为：Community should recruit to its cause not only&nb...

问题 as短语的用法

Maybe a career as a local grocer would be a better option.这里的as短语作什么成分呢？