此题要求改正所给短文中的错误。 对标有题号的每一行作出判断:如无错误，在该行右边横线上画一个勾（√）； 如有错误（每行只有一个错误）,则按下列情况改正：
此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词： 在缺词处加一个漏字符号（^）， 在该行右边横线上写该加的词。
此行错一个词： 在错的词下划一横线， 在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
Believe it or not, proper nervousness has its advantage． 1．________
Like in sports events to make athletes to gain good results, it can also 2．________
sharpen our mind, thus allow us to perform well in exams． 3．________
However, too much nervousness can result from sleeplessness, 4．________
harming our health．What’s worse, it can make our mind at loss．As a 5．________
consequence, our mistakes increased in exams, and we may even fail 6．________
to write any answers．
Several methods can be used to solve the problem above．Firstly, 7．________
review our lessons well, that can make us have more confidence and less 8．________
anxious．Secondly, take some deep breath to calm down at the beginning of 9．________
any exam．Last and not least, always keep this in mind: I’ve studied hard, so 10．________
I’m sure to do the best I can．