开卷的英文

open-book exam / examinationclose-book exam / examination

闭卷考试book examination开卷考试open-book examination

开卷有益的英文：Reading enriches the mind.[Literal Meaning] open/book/beneficial To open a book is beneficial. [解释] 打开书来看就会有收获。 [Explanation] Reading is a rewarding experience. [例子] 开卷有益，每个月读一本书，一年下来你就会有很多新的知识。 [Example] Reading is a rewarding experience. If you read a book every month, after a year you will have a lot of new knowledge.参考例句：Great books are the most readable. They will not let you down if you try to read them well.名著隽永耐读。如果读法得当，你就会感到开卷有益。

close book, open book

open a book to read开卷

Reading enriches the mind

open-book exam.