下面短文中共有10处语言错误，请在错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，在该词下面写上修改后的词。
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）不给分。

Dear schoolmates,
In order to get high school students to attaching importance to the environment and improve our sense to protect the environment, and China Daily is planning to hold an interestingly knowledge contest． A contest starts on October 14th and end on 31st． Remember, you can take the contest in China Daily newspaper, that is very  popular among high school student． The answer sheet must cut from the newspaper and sent to China Daily after the deadline．
Please pay more attention to the related information of the contest and take an active part in them on time．
Students' Union