Some people say life is like crossing a river； （1）　　

    I think our life is much like climbing a mountain． Each year we have a new mountain to climb．To reach our goals， we work hard to make progress day after day． （2）　　We can complain （抱怨） about how unfair it is to climb a new mountain every day． Or， we can just make ourselves busy．

    Sometimes， we fall over． Here we also have another choice． （3）　　Or， we can stand on our feet and begin climbing that mountain again．

    If we reach the goal for this year， we start from zero to reach the goal for next year． We shouldn't spend the rest of our lives looking at where we used to be． （4）　　

    Many people will waste time worrying， "Can I reach my final goal？" or "Is it worth doing"？（5）　　The question is， "Can I take the next step in the right direction？"

    Take one step at a time， and pay attention to tomorrow's step today．

A．Here we have a choice． B．That is not the question． C．Instead， we should look ahead． D．These questions are really important． E．Some say it is like climbing a mountain． F．We can stop and complain about what progress we have lost．