examine可數嗎

　　We should examine ourselves and learn who we are.

　　我們應該檢查自己并學著認識我們是誰。

　　The feeling you have of them is yours to examine.

　　你對他們的感受是由你自己的檢驗的。

　　Norwegians examine how much tax the oil industry pays.

　　挪威人調查石油工業上繳多少稅款。