Occasionally, the introduction indi

Occasionally, the introduction indicated activities that were not available. Sometimes the programs failed to store and/or display necessary data regarding subject responses. In addition, students found that
some programs accepted erroneous input that was subsequently included in the results. Several programs failed
to provide any option to exit from the exercise other than
to reboot the entire system.

結果 (中文) 1:

偶尔，草案显示没有可用的活动。有时程序未能存储和/或显示有关主体反应的必要数据。此外，学生们发现，某些程序接受错误输入随后包含在结果中。几个程序失败提供任何选项以外退出运动重新启动整个系统。

結果 (中文) 3:

偶尔，介绍表示不可用的活动。有时程序无法存储和/或显示有关主题响应的必要数据。此外，学生发现，一些程序接受错误的输入，随后被包括在结果。一些程序失败了，提供任何选择退出的行使以外的在重新启动整个系统。