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：在错的词下画一横线，并在该词下面写出修改后的词。
注意：每处错误及其修改均仅限一词；只允许修改10处，多者(从第11处起)不计分。
The idea of living on the moon is no longer science fiction. However, there will be drawback of living there as well as advantages.
On the positive side, people will be able to escape from the crowding cities, and will have clear views of the earth and stars. On the other hand, the moon was an unfriendly place for humans. First of all, people will have to wear in special suits and their equipment fails, they may die. Secondly, they will have to get used to be weightless. Finally, they'll probable miss the plants and wildlife that exists on the earth.
All in all, the moon might be an ideal place that humans take a holiday or scientists carry out researches, and not a place for ordinary people to live all the time.
