As so often is the case,stating that principle doesn't ease the challenge of line-drawing.一般常见的用法是“as is often the case“。传统语法认为as 是关系代词，引导非限制性定语从句，as 指代整个主句，在从句中作主语。那在”As so often is the case...
... much
as表示“择比”时，否定as前的，肯定as后的，比如：The
oceans do not so much divide the world as unite it.但是我搜到有些句子，句中的so much的位置和书中的不一样，想问这种情况是正确的吗，这种情况是应该按照普通的比较句看待还...
...ifferent mechanisms, such as multilayer adsorption, capillary condensation and micropore filling dominate in macropores,mesopores andmicropores, respectively.我理解such as在此引导的非限定定语从句，所以觉得在micropore filling 与dominate之间应该加逗号，可是科技论文...
...o a book
you’ve read many times can feel like drinks with an old friend. There’s a
welcome familiarity—but also sometimes a slight suspicion that time has changed
you both, and thus the relationship. But books don’t change, people do. And
that’s what makes the act of rereading so rich and ...
CNN 10《TheHistory of Germany's Autobahn》Today, the Autobahn stretches over 8000 miles, ranking it among the longestand most dense road systems in the entire world, pretty amazing to thinkabout the ways in which this one highway influenced the future of transportationas we know it.请教老师...
...了。如果是定语从句多了个it也不对。Things are not always asthey appear.as前面是找了什么成分吗？The boy hasas much progress as we had expected. 等于：we had expected much progress？定语从句的as是代词吧？The boy hasas much progress as&nb...
...是否是对应的状语种类：1 Having been painted red, 原因状语 the building stands out among the rest and looks very attractive.2 There is no greater pleasure than lying on my back in the middle of grassland ,staring at the night sky. 伴随状语3 Having spent the past year as an exchange...
...n
her youth, poisoned every one of her five husbands. It is all very well for such things to
occur in fiction. To varying degrees, we all have secrets which we do not want
even our closest friends to learn, but few of us have skeletons in the
cupboard. The only person I know who has a skeleton...
His earnings were onlf half the amount __.A asthey used to B they used toC they used to beD they were used to请老师讲解一下，为什么答案选 c? (为什么有一个 be? ，如果A项是 asthey used to be是不是也正确了？）
改错句——请问这句话中都有什么错误的地方呢？It has been reported a great number of
cases concerning racial inequality,such as in America a white policeman killing
a black man screaming I can’t breathe by pressing his neck with knees,Asians
being attacked frequently and so on.
英文：Similarly, the summers were rarely as idyllic or the nation as glorious as sentiment would have it中文：同样，以前的夏季很少像现在这样有诗般田园风光，国家也没有像现在这般有民族自豪感。问：分析一下句子的语法结构，would have这里用的...
...题向曹老师请教1. Similarly, some Wall Street investment firms armed themselves with
patents for financial products , even asthey took positions in court cases
opposing the practice.问题：请教曹老师。even在这里是一个下加状语，是强调这个让步状语从句的引导词as...