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l0处语言错误，每句中最多有两处。每处错误仅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(＼)戈lj掉。

修改：在错的词下画一横线，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l0处，多者(从第ll处起)不计分。

I’m writing to invite you to visit China and spending the Sumner vacation with me． I have made wonderful plan for it．First，we can go to Qingda0，there it is cool and mild， and have funs at the seaside．Then we were to participate in a Taiji camp in the Wudang Mountains． You  are curious about Chinese Kongfu，but I believe this is a good chance to learn it． Last of all，I have also been longed to take you to the countryside．We can stay there for a few days and vi sit to some relatives of me．I hope this plan suits you good and I am looking forward to

your coming．

被确诊职业病的职工，职业病诊断机构应发给其《职业病诊断证明书》，并享受国家规定的（）

A.医疗保险待遇

B.工伤保险待遇

C.商业保险待遇