题目

Whenever we meet with difficulty or failure, teachers, parents or others often say to us or perhaps we say to ourselves, “Never give up.” These can be encouraging words and words of determination. A person who believes in himself will keep trying to reach his goal no matter how many times he fails. In my opinion, the quality of determination to succeed is an important one to have. Therefore, I believe that we should never give up.    One reason is that if we give up too easily, we will rarely achieve anything. It is not unusual for us to fail in our first attempt at something new,已知，那么的值 (    )