2020天津公安消防考军校考试：语法总结（18）

　　Ⅴ. 几个易混淆的关系代词的比较:

　　●that & which:

　　③先行词是序数词时或被序数词修饰时。

　　1.When we talk about Wuxi, the first that comes into mind is Tai Lake.

　　2.This is the third film that has been shown in our school this term.

　　④先行词是最高级或被最高级修饰时。

　　1.This is the best that can be done now.

　　2.The most important thing that should be done right now is how to stop him from going on.

　　⑤先行词既有人又有物，用which和who都不适合，这时宜用that. 如：

　　1.The writer and his novel that you have just talked about is really well known .

　　2.The rider and his bike that had run over an old woman were held up by the police.