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| 21. | The study found pupils who ate the high GL breakfast were prone to be disruptive, concentrated less on |
| 研究发现那些食用了高血糖负荷的早餐的学生更容易受到干扰，对他们的课程集中力很差，而且比那些食用低血糖负荷食物的学生容易烦躁。 |
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| 22. | network environment, installing and maintaining antivirus software on each individual host machine can be |
| 在一个大型网络环境中，在每一个单独的主机上安装和维护反病毒软件可能麻烦、费用高并倾向于错误（机器失去保护或在一些机器上过期）。 |
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