开卷有益也不能一概而论，得看你读的是什么书。 ( Opening a book can not be general, it depends on what book you read. )

考试可以开卷，也可以闭卷。 ( The exam can be open or closed. )

这次语文考试分两部分，基础知识部分闭卷，作文开卷。 ( The language test is divided into two parts, the basic knowledge is closed and the composition is opened. )