人们根据特定的需要，预先为计算机编制的指令序列称为______。A．软件 B．文件

短文改错（共10小题；每小题1分，满分10分）
假如英语课上老师要求同学们交换修改作文，请你修改你同桌写的以下作文。文中共
有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
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。
 
I’m a senior 3 student who take the College Entrance Exam soon．Now I have a problem in choosing my major．My parents want me to study international business．Therefore，my head teacher suggests that I chose software engineering．As for me，I have a total different idea from them．I want to take environmental science for my major so that I can use that I have learned to help improving the environment in my hometown after the graduation．But can I possibly make a decision on my own against the will of my parents and my teacher? I’m writing to you for my opinion．Would you please spare some time to give me some advices?