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。
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。
Mr. Steve Johnson, businessman from Wisconsin, went on a business trip to Louisiana. He immediate sent an e-mail back home for his wife, Jennifer. Unfortunately, she mistyped a letter, and the e-mail ended up go to a Mrs. Joan Johnson . It was later found out why Mrs. Joan Johnson was the wife of an engineer who had just been passed away .The engineer’s wife takes one look at the e-mail and fainted at once .When she was finally revived , she nervously pointed to the messages , which read: ”Arrived safely, so it is hot down here.”