第二卷
第四部分 写作
第一节短文改错
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。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：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。
Our class hold a class meeting to discuss whether it is good or not for middle school students to surf the Internet. As the development of society, computers that are used widely nowadays. Surfing the Internet is only a good way we can get more informations but it is convenient to communicate with others. Therefore, not all the students agree to this opinion. They think it is harmful to spend much time play computer games. It is really the waste of time and money, that has a bad effect on us. In my opinion we should limit our time of surfing the Internet like a middle school student.
2XY(g) △H<0，达到甲平衡。仅改变某一条件后，达到乙平衡的情况，对此过程的分析正确的是 