题目内容：

文中共有10处错误，每句中最多有两处。错误涉及单词的增加、删除或修改。增加：在缺词处加一个漏词符号(∧)，并在此符号下面写出该加的词。删除：把多余的词用斜线(\)划掉。修改：在错词下面划一横线，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。

Dear Tom ,

I’m Li Hua , a Senior Two student from Si Nan Senior High School . Welcome to our class as a exchange student . To make your stay more comfort , I’d like to introduce some informations to you .

Our class consists of 70 students . And it has a harmonious study atmosphere , which students and teachers are friendly and have a good relationship . Beside , there are several subjects you can choose from them , such as Chinese , Chemistry and so on .

I sincere wish you could introduce some western cultures we Chinese students are interested , In that case , we’ll have a better understanding of each other , which help improve our friendship .

Looking forward to your come .

Yours ,

Li Hua