which引导什么从句整个

Which 具有引导定语从句、宾语从句和主语从句的作用。当 Which 引导宾语从句时，它在从句中可以充当主语、宾语或者表语等成分。Which：作为代词或者限定词，意为“哪一个；哪一些；（明确所指的事物）…的那个，…的那些；（进一步提供有关某事物的信息）那个，那些”。

相关介绍：

There are two points which I wanted to make.

我期望提出的有两点。

We are still friends, though, which is good.

不过我们依旧是朋友，这使人感到愉悦。

Which part of Japan do you come from?

你来自日本的哪个地区？

There is some noise in the data which needs to be reduced.

数据中存在一些需要剔除的噪声。

Which is the largest city in the world?

世界上最大的城市是哪一座？