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在限制性定语从句中的区别as 的用法：其通常和such\ the same连用，代指物在从句中做主语或宾语
This is the same pen as I bought yesterday
这种笔和我昨天买的笔一样（同样的但不是同一个）。引导定语从句的关系词在从句中做宾语，因先行词被the same所修饰所以用as引导

注意：上句与下句的区别This is the same pen that I used yesterday.这就是昨天我使用的那一支钢笔（指的是同一个）。I studied in the same school as she did in Beijing. 我和他在北京的同一所学校就读。引导定语从句的关系词在从句中做宾语，因先行词被the same所修饰所以用as引导I want to have such a dictionary as he has. 我想要一本和他的一样的字典。引导定语从句的关系词在从句中做宾语，因先行词被such所修饰所以用as引导which的用法：关系代词，在从句中做主语或宾语，做宾语时通常可以省略（直接做介词的宾语时除外，不能省。）The radio which he bought yesterday doesn't work now. 他昨天买的收音机现在坏了。引导定语从句的关系代词在从句中做宾语，代指物，故用which. Can you lend me the book which was written by Lun Xun.. 你能借我那本由鲁迅所写的书吗？引导定语从句的关系代词在从句中做主语，代指物，故用which. This is the park which is the most beautiful one in our city. 这是我们这个城市最漂亮的公园。引导定语从句的关系代词在从句中做主语，代指物，故用which. This is the map by which we can get to the forest. 这是张地图，借助它我们能到达那个森林。引导定语从句的关系代词在从句中做介词的宾语，代指物，故用which.

答：as 可以引导限制性定语从句，其先行词为such 及the same 所修修饰时。
此句的特殊之处在于前面没有such 之类的词。可以认为是有这样的意思。

This news may contain forward-looking statements as determined by the U.S. Securiteis and Exchange Commission: "as"=如同(连接词) [meaning: as=in accordance with which or with the way in which.
如: 1) The hotel is quite comfortable as such establishments go.
2)The sun is hot, as everyone knows.