题目内容：

假定英语课上老师要求同桌之间交换修改作文请你修改你同桌的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线，并在该词下面写出修改后的词。

注意: 1、每处错误及其修改均仅限一词。

2、只允许修改10处，多者(从第11处起)不计分。

Have you ever had headache during a test?Have you ever been too concerned about something that you even can't sleep at nigh?If so，then you know that stress is.Too much stress can result in anger，depression and other related problems, which we need to take them seriously.

    Therefore，not all stress was harmful to you. Some kinds of stress can help you get things do better，like when you are running towards the finishing line or when you are asked to deliver speech to your class.Stress sometimes can help push you to make full preparations for a test.

The best approach of reducing stress is to have a balance life.If you get enough sleep，eat properly，take more exercise and have enough fun time，you might feel more stressed.