ability表示能力时可数吗

　　What criteria are used for assessing a student's ability?

　　用什么标准来评定一个学生的能力？

　　His outstanding ability earned him a place on the team.

　　他非凡的能力为他在队中赢得了一席之地。

　　The system has the ability to run more than one program at the same time.

　　该系统能够同时运行一个以上的程序。

　　A woman of her ability will easily find a job.

　　有她那样才能的女性找工作不难。

　　These results are a further proof of his outstanding ability.

　　这些成果进一步证明了他的杰出才干。