第二节 短文改错（共10小题；每小题1.5分，满分15分）
此题要求改正所给短文的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上划一个勾（√）；如有错误（每行只有一个错误）。则按下列情况改正：
该行多一词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，也用斜线划掉。
该行缺一词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
注意：原行没有错的不要改。
In the morning of April 29,2007, hundreds of millions of         76.______
middle schools and universities all over China joined in a national   77.______
student sports program. Eleven thousands students and I in our city  78.______
took an active part in this program. The program was holding to    79.______
call on students to have daily exercise in the hope we will have     80.______
a good health to study and enjoy ourselves. I think that it’s         81.______
a good idea for us students to have daily exercise. Although they    82.______
take an hour a day for exercise, it is very worth it. Taking          83.______
exercise every day help us build our bodies and keep a clear        84.______
mind. In this way we can feel energetic and study more efficient.    85.______