The OSS is the general management system, that, along with the Business Support System (BSS), help providers to deploy and manage several end-to-end telecommunications services.这个句子中的that引导的是非限制性定语从句嘛？如果是的话，为什么不用which。其次，定语从...
亚里士多德的一句名言，语法好像不通啊？请老师指点。If one way be better than another, that you may be sure is nature's
way. (Aristotle)if 后面的原因状语从句为何用be动词原型？后面一句是倒装吗？you may be sure
that...?
What I hate most is ____ (laugh) at.答案是：being laughed这句话为什么不能去掉being单独用laughed？1.what i hate most是表示一件事情，所以不用be done，表示这件事情是被嘲笑所以用being done。2.单独用laughed，过去分词做表语不是表示已完成，被...
...s built in the third century BC. about 50km away from Chengdu City=which isabout 50km away from Chengdu
City请问老师这部分是作后置定语修饰Chengdu Plain吗？还是同位语？同位语可以是介词短语吗？
...he subject. 2）Sean
Solomon, from the Carnegie Institution of Washington, is the lead scientist on
the project. 第一句使用了leading，第二句使用了lead，从句意形式上看，似乎leading =
lead，但经常遇到类似题目，只能二选一。所以，非常不解。当表达：首...
The reader is direct to the equivalent chapters in both the earlier titles in this trilogy for much general material.以上句子出自一本书籍，是作者对读者的建议，这个句子使用一般现在时，但是表示了祈使含义，这属于一般现在时的用法之一吗？还有类...
新概念二24课《不幸中的万幸》It could be worse，用到了could虚拟语气，第54课《黏糊的手指》课文中出现了nothing could
have been more annoying，用到了could have对过去的虚拟语气。两篇短文都是在叙述过去，为什么前者使用could be对现在的...
...u spend in any given country, the more comfortable
you’ll begin to feel with its foreign cultural practices.这是2022年高考英语全国甲卷（全国卷Ⅱ）阅读理解七选五中的一个句子。对于句中 any given 的理解和翻译，我在网上查到有多个版本：1. 你在任...
The distinction being made is purely academic. 作出的这一区分是纯学术性的。请问这个句子如何分析？我是说其中的 The distinction being made：应该将其看作是一个动名词的复合结构（作主语），还是将The distinction 看作主语，后面的 being made ...
...号+with"将主语和谓语隔开的句子，搞不明白。Despite this characteristic, the most common drawback for any PD controller, with unknown dynamics or even with unmodeled dynamics is the error signal differentiation. 句中为什么用逗号和with将主语和谓语隔开？这...