短文改错 (共10小题；每小题1分，满分10分)

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. 每处错误及其修改仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

I eager to go to college because I know there is so many to learn about the world and about

human beings. Knowledge is a source of pleasure for me. I want to study at a college for the fun to

knowledge. I know the college education can prepare me better for my future. Better education

meant, in my opinion, better jobs, better opportunity and better choices. I want to go to college

because I know that my parents and other people care for me will be happily with that. Unless I

can study at a nice university, I will make them happier. I’d hate to let you down. That’s why I

must go to college.

下列公式中正确的是（）。

A.营业利润率＝营业利润/营业收入

B.权益乘数＝1/（1-产权比率）

C.营业净利率＝净利润/营业收入

D.营业利润率＝利润总额/营业收入