23 Imagine life as a game in which you are playing with some five balls in the air. You name them work, family, health, friends and spirit, and you’re keeping all these balls in the air.

　　You understand that work is a rubber ball. If you drop it, it will bounce back. But the other four balls are made of glass. If you drop one of these, it will be surely marked, broken, damaged or even shattered(粉碎). They will never be the same. You must understand that and strive for balance in your life. How?

　　Don’t undermine (低估) your worth by comparing yourself to others . It is because we are different that each of us is special. Don’t set your goals by what other people consider important. Only you know what is best for you. Don’t take for granted the things closest to your heart. Stick to them as you would to life, for without them, it’s meaningless. Don’t let life one day at a time, you live ALL the days of your life. Don’t run through life so fast that your forget not only where you’ve been, but also where you’re going. Don’t use time or words carelessly. Neither can be regained. Life is not a race, but a journey to be enjoyed each step of the way. Yesterday is history, tomorrow is a mystery, and today is a gift. That is why we call it---The Present.

　　Which of the following best states the main idea of the passage?

　　A We should strive for balance in our life.

　　B We should not undermine our worth by comparing ourselves to others

　　C We should not set our goals by what other people consider important.

　　D Words and time will never return once they are gone.

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