文档介绍：2016全新精品资料-全新公文范文-全程指导写作 –独家原创 2 / 9
高考英语知识点总结【2017高考英语必考知识点总结】
英语是高考的重要考察科目，2017高考英语有哪些必考的知识点呢?接下来小编为你整理了2017高考英语必考知识点总结，一起来看看吧。
2017高考英语必考知识点：as引导的非限制性定语从句
在as引导的非限制性定语从句中，连接代词as在句子中可以作主语、宾语或表语等，可以指人或物。其在定语从句中的位置比较灵活，即可以在句子 前面，在句子中间或句子末尾。常用的结构有：as we all know; as is well known to ; as is often the case; as is said/mentioned above; as has been said before; as I told you before; as is evident; as often happens; as can be seen; as is/was expected; as we expect; as I can remember等。
[注意1]as通常只指整个句子的内容，不表示部分内容。
[注意2]as引导的非限制性定语从句通常指 事先可以预料到的 料想到的 ，表达 好 的方面。
2016全新精品资料-全新公文范文-全程指导写作 –独家原创 2 / 9
[注意3]as引导限制性定语从句时，常构成the same as ; such as ; so/as as 等结构。在从句中既可以指人、物，也可以指整个句子。
[例句]
This is also part of your work, as I told you before. 我曾告诉过你，这也是你工作的一部分。
The man was a teacher, as was evident from his way of speaking. 从那人说话的样子可明显看出，他是个老师。
Such ideas as he hits on are worthless. 像他那样偶然想起的主意是无用的。
2016全新精品资料-全新公文范文-全程指导写作 –独家原创 3 / 9
It s the same story as I heard from her yesterday. 这故事跟我从她那儿听到的相同。
He will marry as pretty a girl as he can find. 他要尽可能找漂亮的女孩结婚。
Such people as have made great contributions to the world should be greatly