A study 后面搭配什么

后边搭配介词of,on,in，例如：

1. Her early work is exemplified in her book, 'A Study of Children's Minds'.她的《儿童思维研究》一书是她早期的代表作。

2.They tried to form a study group on human rights.他们试图组建一个人权问题研究小组。

3. His face was a study in concentration.他脸上完全是一副全神贯注的表情。