短文改错

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作文。文中共有十处语言错误，要求你在错误的地方增加、删除或修改某个词。

增加：在缺词处加上一个漏字符号（ ），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.每处错误及修改均仅限一词；

             2.只允许修改十处，多者（从第11处起）不计分

     My hometown is Brighton, where is not a very big town. It is on the coast about 50 miles from London and has population of about 300,000. Of course it isn't so interested as London. But the air is a lot clean

and better because there is little pollution here. There are a few factories in Brighton, but not many. As a

result, that isn't very easy to find a job here. My father used to working in a steel factory which shut down a year ago and my father loses his job. There are a lot of hotels and languages schools in the town. On

summer the town is full of travelers. My father has been decided to open a small gift shop.

拓扑异构酶I之所以不需要ATP来断裂和重接DNA链，是因为磷酸二酯键的能量被暂储存在酶活性位点的磷酸酪氨酸连接处。