To get the most from the practice exercises in this series, you should have a basic knowledge of Linux and a working Linux system on which you can practice the exercises covered in this article.

要充分利用本系列中的练习，则应该具备Linux系统方面的基本知识，以及一个可正常运行的Linux系统，您可以在该系统上练习本文所涉及的练习。

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We went over the text and did some oral practice exercises.

我们复习了课文，还做了一些口语练习。

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Classroom practice (exercises) is an important process in the classroom instructions, it plays the role of monitoring, consolidating, and the feedback.

课堂练习(课堂作业)是课堂教学过程中的一个重要环节，它起着监控、巩固、反馈的作用。

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The goal of these exercises is to practice, so when a real emergency hits these crews will be prepared.

VOA: standard.2010.03.30

For Lieutenant Lilly Alexei, the military exercises today may be vital practice for real battles in the future.

VOA: standard.2010.04.06

If one person was caught drinking soda or chowing down on chocolate, the whole team did extra exercises at the next practice.

CNN: Team loses 400 pounds for Winter Games

Simpson recalled then heading to an hour-long award ceremony for first and second graders to toast their many achievements, then to a practice for sixth-graders' commencement exercises.

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