1 . 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。错误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：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

From the picture, we can see that there are many students are wearing glasses, that is，they are short-sighted. As we all know, which is important for everyone to keep good eyesight. But do you know how to protect your eyesight? First, don’t keep your eyes work for a long time. You’d better have rest after you have studied an hour or so. Second, pay much attention to the following. Don’t read under the sun or in a poor light; don’t to read in bed or in a moved bus. Third, do eye-exercise every day. It will also help you keep good eyesight. And last, you should have enough sleep. Only you obey the rules above can you prevent your eyesight from become short-sighted.